Main Page / Graphic cards / Comparision Sapphire Radeon HD 6990 vs Colorful GeForce GT 640 PRO X4
Colorful GeForce GT 640 PRO X4 Colorful GeForce GT 640 PRO X4
Sapphire Radeon HD 6990 Sapphire Radeon HD 6990
VS

Comparision Colorful GeForce GT 640 PRO X4 vs Sapphire Radeon HD 6990

Colorful GeForce GT 640 PRO X4

Colorful GeForce GT 640 PRO X4

Rating: 4 points
Sapphire Radeon HD 6990

WINNER
Sapphire Radeon HD 6990

Rating: 10 points
Grade
Colorful GeForce GT 640 PRO X4
Sapphire Radeon HD 6990
Performance
5
5
Memory
1
3
General information
7
5
Functions
6
6
Benchmark tests
0
1
Ports
0
1

Top specs and features

Passmark score

Colorful GeForce GT 640 PRO X4: 1159 Sapphire Radeon HD 6990: 2936

3DMark Fire Strike Graphics test score

Colorful GeForce GT 640 PRO X4: 1527 Sapphire Radeon HD 6990: 5839

GPU base clock speed

Colorful GeForce GT 640 PRO X4: 900 MHz Sapphire Radeon HD 6990: 830 MHz

RAM

Colorful GeForce GT 640 PRO X4: 2 GB Sapphire Radeon HD 6990: 4 GB

Memory bandwidth

Colorful GeForce GT 640 PRO X4: 28.5 GB/s Sapphire Radeon HD 6990: 320 GB/s

Description

The Colorful GeForce GT 640 PRO X4 video card is based on the Kepler architecture. Sapphire Radeon HD 6990 on the TeraScale 3 architecture. The first has 1270 million transistors. The second is 2640 million. Colorful GeForce GT 640 PRO X4 has a transistor size of 28 nm versus 40.

The base clock speed of the first video card is 900 MHz versus 830 MHz for the second.

Let's move on to memory. Colorful GeForce GT 640 PRO X4 has 2 GB. Sapphire Radeon HD 6990 has 2 GB installed. The bandwidth of the first video card is 28.5 Gb/s versus 320 Gb/s of the second.

FLOPS of Colorful GeForce GT 640 PRO X4 is 0.67. At Sapphire Radeon HD 6990 5.05.

Goes to tests in benchmarks. In the Passmark benchmark, Colorful GeForce GT 640 PRO X4 scored 1159 points. And here is the second card 2936 points. In 3DMark, the first model scored 1527 points. Second 5839 points.

In terms of interfaces. The first video card is connected using PCIe 3.0 x16. The second is PCIe 2.0 x16. Video card Colorful GeForce GT 640 PRO X4 has Directx version 11. Video card Sapphire Radeon HD 6990 -- Directx version - 11.

Regarding cooling, Colorful GeForce GT 640 PRO X4 has 65W heat dissipation requirements versus 375W for Sapphire Radeon HD 6990.

Why Sapphire Radeon HD 6990 is better than Colorful GeForce GT 640 PRO X4

  • GPU base clock speed 900 MHz против 830 MHz, more on 8%

Colorful GeForce GT 640 PRO X4 vs Sapphire Radeon HD 6990: highlights

Colorful GeForce GT 640 PRO X4
Colorful GeForce GT 640 PRO X4
Sapphire Radeon HD 6990
Sapphire Radeon HD 6990
Performance
GPU base clock speed
The graphics processing unit (GPU) has a high clock speed.
900 MHz
max 2457
Average: 1124.9 MHz
830 MHz
max 2457
Average: 1124.9 MHz
Gpu memory speed
This is an important aspect for calculating memory bandwidth.
891 MHz
max 16000
Average: 1468 MHz
1250 MHz
max 16000
Average: 1468 MHz
FLOPS
Measuring the processing power of a processor is called FLOPS.
0.67 TFLOPS
max 1142.32
Average: 53 TFLOPS
5.05 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
4 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:
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.
7.22 GTexel/s    
max 563
Average: 94.3 GTexel/s    
53.2 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
32
max 880
Average: 140.1
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
16
max 256
Average: 56.8
64
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
384
max 17408
Average:
3072
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
256
There is no data
Texture size
A certain number of textured pixels are displayed on the screen every second.
28.8 GTexels/s
max 756.8
Average: 145.4 GTexels/s
159.4 GTexels/s
max 756.8
Average: 145.4 GTexels/s
architecture name
Kepler
TeraScale 3
GPU name
GK107
Antilles
Memory
Memory bandwidth
This is the rate at which the device stores or reads information.
28.5 GB/s
max 2656
Average: 257.8 GB/s
320 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
1782 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
4 GB
max 128
Average: 4.6 GB
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
128 bit
max 8192
Average: 283.9 bit
512 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
118
max 826
Average: 356.7
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
Northern Islands
Manufacturer
TSMC
TSMC
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
65 W
Average: 160 W
375 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
40 nm
Average: 34.7 nm
Number of transistors
The higher their number, the more processor power this indicates.
1270 million
max 80000
Average: 7150 million
2640 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
2
max 4
Average: 3
Width
168 mm
max 421.7
Average: 192.1 mm
295 mm
max 421.7
Average: 192.1 mm
Height
111 mm
max 620
Average: 89.6 mm
112.25 mm
max 620
Average: 89.6 mm
Purpose
Desktop
There is no data
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:
4.2
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
max 6.7
Average: 5.9
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:
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
1159
max 30117
Average: 7628.6
2936
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
1527
max 51062
Average: 11859.1
5839
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.
10
max 128
Average: 47.1
max 128
Average: 47.1
Ports
DisplayPort
Allows you to connect to a display using DisplayPort
1
max 4
Average: 2.2
1
max 4
Average: 2.2
DVI Outputs
Allows you to connect to a display using DVI
1
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 2.0 x16
HDMI
A digital interface that is used to transmit high-resolution audio and video signals.
Available
Available

FAQ

How does the Colorful GeForce GT 640 PRO X4 processor perform in benchmarks?

Passmark Colorful GeForce GT 640 PRO X4 scored 1159 points. The second video card scored 2936 points in Passmark.

What FLOPS do video cards have?

FLOPS Colorful GeForce GT 640 PRO X4 is 0.67 TFLOPS. But the second video card has FLOPS equal to 5.05 TFLOPS.

What power consumption?

Colorful GeForce GT 640 PRO X4 65 Watt. Sapphire Radeon HD 6990 375 Watt.

How fast are Colorful GeForce GT 640 PRO X4 and Sapphire Radeon HD 6990?

Colorful GeForce GT 640 PRO X4 operates at 900 MHz. In this case, the maximum frequency reaches There is no data MHz. The clock base frequency of Sapphire Radeon HD 6990 reaches 830 MHz. In turbo mode it reaches 830 MHz.

What kind of memory do graphics cards have?

Colorful GeForce GT 640 PRO X4 supports GDDRThere is no data. Installed 2 GB of RAM. Throughput reaches 28.5 GB/s. Sapphire Radeon HD 6990 works with GDDR5. The second one has 4 GB of RAM installed. Its bandwidth is 28.5 GB/s.

How many HDMI connectors do they have?

Colorful GeForce GT 640 PRO X4 has 1 HDMI outputs. Sapphire Radeon HD 6990 is equipped with There is no data HDMI outputs.

What power connectors are used?

Colorful GeForce GT 640 PRO X4 uses There is no data. Sapphire Radeon HD 6990 is equipped with There is no data HDMI outputs.

What architecture are video cards based on?

Colorful GeForce GT 640 PRO X4 is built on Kepler. Sapphire Radeon HD 6990 uses the TeraScale 3 architecture.

What graphics processor is being used?

Colorful GeForce GT 640 PRO X4 is equipped with GK107. Sapphire Radeon HD 6990 is set to Antilles.

How many PCIe lanes

The first graphics card has 16 PCIe lanes. And the PCIe version is 3. Sapphire Radeon HD 6990 16 PCIe lanes. PCIe version 3.

How many transistors?

Colorful GeForce GT 640 PRO X4 has 1270 million transistors. Sapphire Radeon HD 6990 has 2640 million transistors

Graphic cards