NVIDIA RTX A4000 NVIDIA RTX A4000
AMD Radeon RX 6800 AMD Radeon RX 6800
VS

Comparision NVIDIA RTX A4000 vs AMD Radeon RX 6800

NVIDIA RTX A4000

NVIDIA RTX A4000

Rating: 65 points
AMD Radeon RX 6800

WINNER
AMD Radeon RX 6800

Rating: 66 points
Grade
NVIDIA RTX A4000
AMD Radeon RX 6800
Performance
6
7
Memory
7
8
General information
8
8
Functions
8
7
Benchmark tests
6
7
Ports
0
10

Top specs and features

Passmark score

NVIDIA RTX A4000: 19568 AMD Radeon RX 6800: 19903

GPU base clock speed

NVIDIA RTX A4000: 735 MHz AMD Radeon RX 6800: 1700 MHz

RAM

NVIDIA RTX A4000: 16 GB AMD Radeon RX 6800: 16 GB

Memory bandwidth

NVIDIA RTX A4000: 448 GB/s AMD Radeon RX 6800: 512 GB/s

Effective memory speed

NVIDIA RTX A4000: 14000 MHz AMD Radeon RX 6800: 16000 MHz

Description

The NVIDIA RTX A4000 video card is based on the Ampere architecture. AMD Radeon RX 6800 on the RDNA 2.0 architecture. The first has 17400 million transistors. The second is 26800 million. NVIDIA RTX A4000 has a transistor size of 8 nm versus 7.

The base clock speed of the first video card is 735 MHz versus 1700 MHz for the second.

Let's move on to memory. NVIDIA RTX A4000 has 16 GB. AMD Radeon RX 6800 has 16 GB installed. The bandwidth of the first video card is 448 Gb/s versus 512 Gb/s of the second.

FLOPS of NVIDIA RTX A4000 is 19.63. At AMD Radeon RX 6800 16.14.

Goes to tests in benchmarks. In the Passmark benchmark, NVIDIA RTX A4000 scored 19568 points. And here is the second card 19903 points. In 3DMark, the first model scored There is no data points. Second There is no data points.

In terms of interfaces. The first video card is connected using PCIe 4.0 x16. The second is PCIe 4.0 x16. Video card NVIDIA RTX A4000 has Directx version 12.2. Video card AMD Radeon RX 6800 -- Directx version - 12.2.

Regarding cooling, NVIDIA RTX A4000 has 140W heat dissipation requirements versus 250W for AMD Radeon RX 6800.

Why AMD Radeon RX 6800 is better than NVIDIA RTX A4000

  • FLOPS 19.63 TFLOPS против 16.14 TFLOPS, more on 22%
  • Power Consumption (TDP) 140 W против 250 W, less by -44%

NVIDIA RTX A4000 vs AMD Radeon RX 6800: highlights

NVIDIA RTX A4000
NVIDIA RTX A4000
AMD Radeon RX 6800
AMD Radeon RX 6800
Performance
GPU base clock speed
The graphics processing unit (GPU) has a high clock speed.
735 MHz
max 2457
Average: 1124.9 MHz
1700 MHz
max 2457
Average: 1124.9 MHz
Gpu memory speed
This is an important aspect for calculating memory bandwidth.
1750 MHz
max 16000
Average: 1468 MHz
2000 MHz
max 16000
Average: 1468 MHz
FLOPS
Measuring the processing power of a processor is called FLOPS.
19.63 TFLOPS
max 1142.32
Average: 53 TFLOPS
16.14 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
16 GB
max 128
Average: 4.6 GB
16 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.
150 GTexel/s    
max 563
Average: 94.3 GTexel/s    
202 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
192
max 880
Average: 140.1
240
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
96
max 256
Average: 56.8
96
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
6144
max 17408
Average:
3840
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
4000
4000
Turbo gpu
If the GPU speed has dropped below its limit, then to improve performance, it can go to a high clock speed.
1560 MHz
max 2903
Average: 1514 MHz
2105 MHz
max 2903
Average: 1514 MHz
Texture size
A certain number of textured pixels are displayed on the screen every second.
299.5 GTexels/s
max 756.8
Average: 145.4 GTexels/s
505.2 GTexels/s
max 756.8
Average: 145.4 GTexels/s
architecture name
Ampere
RDNA 2.0
GPU name
GA104
Navi 21
Memory
Memory bandwidth
This is the rate at which the device stores or reads information.
448 GB/s
max 2656
Average: 257.8 GB/s
512 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
14000 MHz
max 19500
Average: 6984.5 MHz
16000 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
16 GB
max 128
Average: 4.6 GB
16 GB
max 128
Average: 4.6 GB
GDDR memory versions
Latest versions of GDDR memory provide high data transfer rates to improve overall performance
6
max 6
Average: 4.9
6
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
256 bit
max 8192
Average: 283.9 bit
256 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
392
max 826
Average: 356.7
520
max 826
Average: 356.7
Length
239
max 524
Average: 250.2
265
max 524
Average: 250.2
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
Quadro
Navi II
Manufacturer
Samsung
TSMC
Power supply power
When choosing a power supply for a video card, you must take into account the power requirements of the video card manufacturer, as well as other computer components. Show more
300
max 1300
Average:
600
max 1300
Average:
Year of issue
2021
max 2023
Average:
2020
max 2023
Average:
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
250 W
Average: 160 W
Technological process
The small size of the semiconductors means this is a new generation chip.
8 nm
Average: 34.7 nm
7 nm
Average: 34.7 nm
Number of transistors
The higher their number, the more processor power this indicates.
17400 million
max 80000
Average: 7150 million
26800 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
4
max 4
Average: 3
4
max 4
Average: 3
Width
111 mm
max 421.7
Average: 192.1 mm
122 mm
max 421.7
Average: 192.1 mm
Purpose
Workstation
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
4.6
max 4.6
Average:
4.6
max 4.6
Average:
DirectX
Used in demanding games, providing improved graphics
12.2
max 12.2
Average: 11.4
12.2
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.
6.6
max 6.7
Average: 5.9
6.5
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
8.6
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
19568
max 30117
Average: 7628.6
19903
max 30117
Average: 7628.6
Ports
DisplayPort
Allows you to connect to a display using DisplayPort
4
max 4
Average: 2.2
2
max 4
Average: 2.2
Interface
PCIe 4.0 x16
PCIe 4.0 x16

FAQ

How does the NVIDIA RTX A4000 processor perform in benchmarks?

Passmark NVIDIA RTX A4000 scored 19568 points. The second video card scored 19903 points in Passmark.

What FLOPS do video cards have?

FLOPS NVIDIA RTX A4000 is 19.63 TFLOPS. But the second video card has FLOPS equal to 16.14 TFLOPS.

What power consumption?

NVIDIA RTX A4000 140 Watt. AMD Radeon RX 6800 250 Watt.

How fast are NVIDIA RTX A4000 and AMD Radeon RX 6800?

NVIDIA RTX A4000 operates at 735 MHz. In this case, the maximum frequency reaches 1560 MHz. The clock base frequency of AMD Radeon RX 6800 reaches 1700 MHz. In turbo mode it reaches 2105 MHz.

What kind of memory do graphics cards have?

NVIDIA RTX A4000 supports GDDR6. Installed 16 GB of RAM. Throughput reaches 448 GB/s. AMD Radeon RX 6800 works with GDDR6. The second one has 16 GB of RAM installed. Its bandwidth is 448 GB/s.

How many HDMI connectors do they have?

NVIDIA RTX A4000 has There is no data HDMI outputs. AMD Radeon RX 6800 is equipped with 1 HDMI outputs.

What power connectors are used?

NVIDIA RTX A4000 uses There is no data. AMD Radeon RX 6800 is equipped with There is no data HDMI outputs.

What architecture are video cards based on?

NVIDIA RTX A4000 is built on Ampere. AMD Radeon RX 6800 uses the RDNA 2.0 architecture.

What graphics processor is being used?

NVIDIA RTX A4000 is equipped with GA104. AMD Radeon RX 6800 is set to Navi 21.

How many PCIe lanes

The first graphics card has 16 PCIe lanes. And the PCIe version is 4. AMD Radeon RX 6800 16 PCIe lanes. PCIe version 4.

How many transistors?

NVIDIA RTX A4000 has 17400 million transistors. AMD Radeon RX 6800 has 26800 million transistors