Main Page / Graphic cards / Comparision Zotac GeForce GTX 650 Synergy Edition vs Asus GeForce GTX 660 DirectCU II TOP OC
Asus GeForce GTX 660 DirectCU II TOP OC Asus GeForce GTX 660 DirectCU II TOP OC
Zotac GeForce GTX 650 Synergy Edition Zotac GeForce GTX 650 Synergy Edition
VS

Comparision Asus GeForce GTX 660 DirectCU II TOP OC vs Zotac GeForce GTX 650 Synergy Edition

Asus GeForce GTX 660 DirectCU II TOP OC

WINNER
Asus GeForce GTX 660 DirectCU II TOP OC

Rating: 13 points
Zotac GeForce GTX 650 Synergy Edition

Zotac GeForce GTX 650 Synergy Edition

Rating: 6 points
Grade
Asus GeForce GTX 660 DirectCU II TOP OC
Zotac GeForce GTX 650 Synergy Edition
Performance
5
5
Memory
3
2
General information
5
7
Functions
6
6
Benchmark tests
1
1
Ports
3
3

Top specs and features

Passmark score

Asus GeForce GTX 660 DirectCU II TOP OC: 3835 Zotac GeForce GTX 650 Synergy Edition: 1752

3DMark Fire Strike Graphics test score

Asus GeForce GTX 660 DirectCU II TOP OC: 4860 Zotac GeForce GTX 650 Synergy Edition: 2258

GPU base clock speed

Asus GeForce GTX 660 DirectCU II TOP OC: 1098 MHz Zotac GeForce GTX 650 Synergy Edition: 1058 MHz

RAM

Asus GeForce GTX 660 DirectCU II TOP OC: 2 GB Zotac GeForce GTX 650 Synergy Edition: 1 GB

Memory bandwidth

Asus GeForce GTX 660 DirectCU II TOP OC: 154 GB/s Zotac GeForce GTX 650 Synergy Edition: 80 GB/s

Description

The Asus GeForce GTX 660 DirectCU II TOP OC video card is based on the Kepler architecture. Zotac GeForce GTX 650 Synergy Edition on the Kepler architecture. The first has 2540 million transistors. The second is 1270 million. Asus GeForce GTX 660 DirectCU II TOP OC has a transistor size of 28 nm versus 28.

The base clock speed of the first video card is 1098 MHz versus 1058 MHz for the second.

Let's move on to memory. Asus GeForce GTX 660 DirectCU II TOP OC has 2 GB. Zotac GeForce GTX 650 Synergy Edition has 2 GB installed. The bandwidth of the first video card is 154 Gb/s versus 80 Gb/s of the second.

FLOPS of Asus GeForce GTX 660 DirectCU II TOP OC is 2.02. At Zotac GeForce GTX 650 Synergy Edition 0.78.

Goes to tests in benchmarks. In the Passmark benchmark, Asus GeForce GTX 660 DirectCU II TOP OC scored 3835 points. And here is the second card 1752 points. In 3DMark, the first model scored 4860 points. Second 2258 points.

In terms of interfaces. The first video card is connected using PCIe 3.0 x16. The second is PCIe 3.0 x16. Video card Asus GeForce GTX 660 DirectCU II TOP OC has Directx version 11. Video card Zotac GeForce GTX 650 Synergy Edition -- Directx version - 11.

Regarding cooling, Asus GeForce GTX 660 DirectCU II TOP OC has 140W heat dissipation requirements versus 65W for Zotac GeForce GTX 650 Synergy Edition.

Why Asus GeForce GTX 660 DirectCU II TOP OC is better than Zotac GeForce GTX 650 Synergy Edition

  • Passmark score 3835 против 1752 , more on 119%
  • 3DMark Fire Strike Graphics test score 4860 против 2258 , more on 115%
  • GPU base clock speed 1098 MHz против 1058 MHz, more on 4%
  • RAM 2 GB против 1 GB, more on 100%
  • Memory bandwidth 154 GB/s против 80 GB/s, more on 93%
  • Effective memory speed 6400 MHz против 5000 MHz, more on 28%
  • Gpu memory speed 1600 MHz против 1250 MHz, more on 28%
  • Octane Render test score OctaneBench 31 против 13 , more on 138%

Asus GeForce GTX 660 DirectCU II TOP OC vs Zotac GeForce GTX 650 Synergy Edition: highlights

Asus GeForce GTX 660 DirectCU II TOP OC
Asus GeForce GTX 660 DirectCU II TOP OC
Zotac GeForce GTX 650 Synergy Edition
Zotac GeForce GTX 650 Synergy Edition
Performance
GPU base clock speed
The graphics processing unit (GPU) has a high clock speed.
1098 MHz
max 2457
Average: 1124.9 MHz
1058 MHz
max 2457
Average: 1124.9 MHz
Gpu memory speed
This is an important aspect for calculating memory bandwidth.
1600 MHz
max 16000
Average: 1468 MHz
1250 MHz
max 16000
Average: 1468 MHz
FLOPS
Measuring the processing power of a processor is called FLOPS.
2.02 TFLOPS
max 1142.32
Average: 53 TFLOPS
0.78 TFLOPS
max 1142.32
Average: 53 TFLOPS
RAM
RAM in video cards (also known as video memory or VRAM) is a special type of memory used by a video card to store graphics data. It serves as a temporary buffer for textures, shaders, geometry, and other graphics resources that are needed to display images on the screen. More RAM allows the graphics card to work with more data and handle more complex graphic scenes with high resolution and detail. Show more
2 GB
max 128
Average: 4.6 GB
1 GB
max 128
Average: 4.6 GB
Number of PCIe lanes
The number of PCIe lanes in video cards determines the speed and bandwidth of data transfer between the video card and other computer components through the PCIe interface. The more PCIe lanes a video card has, the more bandwidth and ability to communicate with other computer components. Show more
16
max 16
Average:
16
max 16
Average:
L1 cache size
The amount of L1 cache in video cards is usually small and is measured in kilobytes (KB) or megabytes (MB). It is designed to temporarily store the most active and frequently used data and instructions, allowing the graphics card to access them faster and reduce delays in graphics operations. Show more
16
There is no data
Pixel rendering speed
The higher the pixel rendering speed, the smoother and more realistic the display of graphics and the movement of objects on the screen will be.
22 GTexel/s    
max 563
Average: 94.3 GTexel/s    
8.46 GTexel/s    
max 563
Average: 94.3 GTexel/s    
TMUs
Responsible for texturing objects in 3D graphics. TMU provides textures to the surfaces of objects, which gives them a realistic look and detail. The number of TMUs in a video card determines its ability to process textures. The more TMUs, the more textures can be processed at the same time, which contributes to better texturing of objects and increases the realism of graphics. Show more
80
max 880
Average: 140.1
32
max 880
Average: 140.1
ROPs
Responsible for the final processing of pixels and their display on the screen. ROPs perform various operations on pixels, such as blending colors, applying transparency, and writing to the framebuffer. The number of ROPs in a video card affects its ability to process and display graphics. The more ROPs, the more pixels and image fragments can be processed and displayed on the screen at the same time. A higher number of ROPs generally results in faster and more efficient graphics rendering and better performance in games and graphics applications. Show more
24
max 256
Average: 56.8
16
max 256
Average: 56.8
Number of shader blocks
The number of shader units in video cards refers to the number of parallel processors that perform computational operations in the GPU. The more shader units in the video card, the more computing resources are available for processing graphics tasks. Show more
960
max 17408
Average:
384
max 17408
Average:
L2 cache size
Used to temporarily store data and instructions used by the graphics card when performing graphics calculations. A larger L2 cache allows the graphics card to store more data and instructions, which helps speed up the processing of graphics operations. Show more
384
256
Turbo gpu
If the GPU speed has dropped below its limit, then to improve performance, it can go to a high clock speed.
1150 MHz
max 2903
Average: 1514 MHz
MHz
max 2903
Average: 1514 MHz
Texture size
A certain number of textured pixels are displayed on the screen every second.
87.8 GTexels/s
max 756.8
Average: 145.4 GTexels/s
33.9 GTexels/s
max 756.8
Average: 145.4 GTexels/s
architecture name
Kepler
Kepler
GPU name
GK106
GK107
Memory
Memory bandwidth
This is the rate at which the device stores or reads information.
154 GB/s
max 2656
Average: 257.8 GB/s
80 GB/s
max 2656
Average: 257.8 GB/s
Effective memory speed
The effective memory clock is calculated from the size and transfer rate of the memory information. The performance of the device in applications depends on the clock frequency. The higher it is, the better. Show more
6400 MHz
max 19500
Average: 6984.5 MHz
5000 MHz
max 19500
Average: 6984.5 MHz
RAM
RAM in video cards (also known as video memory or VRAM) is a special type of memory used by a video card to store graphics data. It serves as a temporary buffer for textures, shaders, geometry, and other graphics resources that are needed to display images on the screen. More RAM allows the graphics card to work with more data and handle more complex graphic scenes with high resolution and detail. Show more
2 GB
max 128
Average: 4.6 GB
1 GB
max 128
Average: 4.6 GB
GDDR memory versions
Latest versions of GDDR memory provide high data transfer rates to improve overall performance
5
max 6
Average: 4.9
5
max 6
Average: 4.9
Memory bus width
A wide memory bus means that it can transfer more information in one cycle. This property affects memory performance as well as the overall performance of the device's graphics card. Show more
192 bit
max 8192
Average: 283.9 bit
128 bit
max 8192
Average: 283.9 bit
General information
Crystal size
The physical dimensions of the chip on which the transistors, microcircuits and other components necessary for the operation of the video card are located. The larger the die size, the more space the GPU takes up on the graphics card. Larger die sizes can provide more computing resources such as CUDA cores or tensor cores, which can result in increased performance and graphics processing capabilities. Show more
294
max 826
Average: 356.7
221
max 826
Average: 356.7
Generation
A new generation of graphics card usually includes improved architecture, higher performance, more efficient use of power, improved graphics capabilities, and new features. Show more
GeForce 600
GeForce 600
Power Consumption (TDP)
Heat Dissipation Requirements (TDP) is the maximum possible amount of energy dissipated by the cooling system. The lower the TDP, the less power will be consumed Show more
140 W
Average: 160 W
65 W
Average: 160 W
Technological process
The small size of the semiconductors means this is a new generation chip.
28 nm
Average: 34.7 nm
28 nm
Average: 34.7 nm
Number of transistors
The higher their number, the more processor power this indicates.
2540 million
max 80000
Average: 7150 million
1270 million
max 80000
Average: 7150 million
PCIe connection interface
A considerable speed of the expansion card used to connect the computer to the peripherals is provided. The updated versions offer impressive bandwidth and high performance. Show more
3
max 4
Average: 3
3
max 4
Average: 3
Width
259 mm
max 421.7
Average: 192.1 mm
153 mm
max 421.7
Average: 192.1 mm
Height
111 mm
max 620
Average: 89.6 mm
111 mm
max 620
Average: 89.6 mm
Purpose
Desktop
Desktop
Functions
OpenGL Version
OpenGL provides access to the graphics card's hardware capabilities for displaying 2D and 3D graphics objects. New versions of OpenGL may include support for new graphical effects, performance optimizations, bug fixes, and other improvements. Show more
4.3
max 4.6
Average:
4.3
max 4.6
Average:
DirectX
Used in demanding games, providing improved graphics
11
max 12.2
Average: 11.4
11
max 12.2
Average: 11.4
Shader model version
The higher the version of the shader model in the video card, the more functions and possibilities are available for programming graphic effects.
5.1
max 6.7
Average: 5.9
5.1
max 6.7
Average: 5.9
Vulkan version
A higher version of Vulkan usually means a larger set of features, optimizations, and enhancements that software developers can use to create better and more realistic graphical applications and games. Show more
1.2
max 1.3
Average:
1.2
max 1.3
Average:
CUDA Version
Allows you to use the compute cores of your graphics card to perform parallel computing, which can be useful in areas such as scientific research, deep learning, image processing, and other computationally intensive tasks. Show more
3
max 9
Average:
3
max 9
Average:
Benchmark tests
Passmark score
The Passmark Video Card Test is a program for measuring and comparing the performance of a graphics system. It conducts various tests and calculations to evaluate the speed and performance of a graphics card in various areas. Show more
3835
max 30117
Average: 7628.6
1752
max 30117
Average: 7628.6
3DMark Fire Strike Graphics test score
It measures and compares the ability of a graphics card to handle high-resolution 3D graphics with various graphical effects. The Fire Strike Graphics test includes complex scenes, lighting, shadows, particles, reflections, and other graphical effects to evaluate the graphics card's performance in gaming and other demanding graphics scenarios. Show more
4860
max 51062
Average: 11859.1
2258
max 51062
Average: 11859.1
Octane Render test score OctaneBench
A special test that is used to evaluate the performance of video cards in rendering using the Octane Render engine.
31
max 128
Average: 47.1
13
max 128
Average: 47.1
Ports
Has hdmi output
HDMI output allows you to connect devices with HDMI or mini HDMI ports. They can send video and audio to the display.
Available
Available
DisplayPort
Allows you to connect to a display using DisplayPort
1
max 4
Average: 2.2
max 4
Average: 2.2
DVI Outputs
Allows you to connect to a display using DVI
2
max 3
Average: 1.4
1
max 3
Average: 1.4
Number of HDMI connectors
The more their number, the more devices can be connected at the same time (for example, game / TV set-top boxes)
1
max 3
Average: 1.1
max 3
Average: 1.1
Interface
PCIe 3.0 x16
PCIe 3.0 x16
HDMI
A digital interface that is used to transmit high-resolution audio and video signals.
Available
Available

FAQ

How does the Asus GeForce GTX 660 DirectCU II TOP OC processor perform in benchmarks?

Passmark Asus GeForce GTX 660 DirectCU II TOP OC scored 3835 points. The second video card scored 1752 points in Passmark.

What FLOPS do video cards have?

FLOPS Asus GeForce GTX 660 DirectCU II TOP OC is 2.02 TFLOPS. But the second video card has FLOPS equal to 0.78 TFLOPS.

What power consumption?

Asus GeForce GTX 660 DirectCU II TOP OC 140 Watt. Zotac GeForce GTX 650 Synergy Edition 65 Watt.

How fast are Asus GeForce GTX 660 DirectCU II TOP OC and Zotac GeForce GTX 650 Synergy Edition?

Asus GeForce GTX 660 DirectCU II TOP OC operates at 1098 MHz. In this case, the maximum frequency reaches 1150 MHz. The clock base frequency of Zotac GeForce GTX 650 Synergy Edition reaches 1058 MHz. In turbo mode it reaches There is no data MHz.

What kind of memory do graphics cards have?

Asus GeForce GTX 660 DirectCU II TOP OC supports GDDR5. Installed 2 GB of RAM. Throughput reaches 154 GB/s. Zotac GeForce GTX 650 Synergy Edition works with GDDR5. The second one has 1 GB of RAM installed. Its bandwidth is 154 GB/s.

How many HDMI connectors do they have?

Asus GeForce GTX 660 DirectCU II TOP OC has 1 HDMI outputs. Zotac GeForce GTX 650 Synergy Edition is equipped with There is no data HDMI outputs.

What power connectors are used?

Asus GeForce GTX 660 DirectCU II TOP OC uses There is no data. Zotac GeForce GTX 650 Synergy Edition is equipped with There is no data HDMI outputs.

What architecture are video cards based on?

Asus GeForce GTX 660 DirectCU II TOP OC is built on Kepler. Zotac GeForce GTX 650 Synergy Edition uses the Kepler architecture.

What graphics processor is being used?

Asus GeForce GTX 660 DirectCU II TOP OC is equipped with GK106. Zotac GeForce GTX 650 Synergy Edition is set to GK107.

How many PCIe lanes

The first graphics card has 16 PCIe lanes. And the PCIe version is 3. Zotac GeForce GTX 650 Synergy Edition 16 PCIe lanes. PCIe version 3.

How many transistors?

Asus GeForce GTX 660 DirectCU II TOP OC has 2540 million transistors. Zotac GeForce GTX 650 Synergy Edition has 1270 million transistors

Graphic cards