AMD Radeon Pro V620 vs NVIDIA RTX A400

VS

AMD Radeon Pro V620

NVIDIA RTX A400

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro V620 and 4GB VRAM RTX A400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro V620 's Advantages

Boost Clock has increased by 25% (2200MHz vs 1762MHz)

More VRAM (32GB vs 4GB)

Larger VRAM bandwidth (512.0GB/s vs 96.00GB/s)

3840 additional rendering cores

NVIDIA RTX A400 's Advantages

Released 2 years and 5 months late

Lower TDP (50W vs 300W)

Score

Benchmark

FP32 (float)

Radeon Pro V620 +649%

20.28 TFLOPS

RTX A400

2.706 TFLOPS

Radeon Pro V620

VS

RTX A400

Graphics Card

Nov 2021

Release Date

Apr 2024

Radeon Pro

Generation

Quadro Ampere(Ax000)

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

1825 MHz

Base Clock

1417 MHz

2200 MHz

Boost Clock

1762 MHz

2000 MHz

Memory Clock

1500 MHz

Memory

32GB

Memory Size

4GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

64bit

512.0GB/s

Bandwidth

96.00GB/s

Render Config

72

Compute Units

-

SM Count

6

4608

Shading Units

768

288

TMUs

24

128

ROPs

16

-

Tensor Cores

24

72

RT Cores

6

128 KB per Array

L1 Cache

128 KB (per SM)

4 MB

L2 Cache

2 MB

128 MB

L3 Cache

-

Theoretical Performance

281.6 GPixel/s

Pixel Rate

28.19 GPixel/s

633.6 GTexel/s

Texture Rate

42.29 GTexel/s

40.55 TFLOPS

FP16 (half)

2.706 TFLOPS

20.28 TFLOPS

FP32 (float)

2.706 TFLOPS

1267 GFLOPS

FP64 (double)

42.29 GFLOPS

Board Design

300W

TDP

50W

700 W

Suggested PSU

250 W

No outputs

Outputs

4x mini-DisplayPort 1.4a

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 21

GPU Name

GA107

Navi 21 XT (215-121000177)

GPU Variant

-

RDNA 2.0

Architecture

Ampere

TSMC

Foundry

Samsung

7 nm

Process Size

8 nm

26.8 billion

Transistors

8.7 billion

520 mm²

Die Size

200 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.3

-

CUDA

8.6

6.5

Shader Model

6.8

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