AMD Radeon Pro V620 vs NVIDIA A40 PCIe

VS

AMD Radeon Pro V620

NVIDIA A40 PCIe

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro V620 and 48GB VRAM A40 PCIe to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro V620 's Advantages

Released 1 years and 1 months late

Boost Clock has increased by 26% (2200MHz vs 1740MHz)

NVIDIA A40 PCIe 's Advantages

More VRAM (48GB vs 32GB)

Larger VRAM bandwidth (695.8GB/s vs 512.0GB/s)

6144 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon Pro V620

20.28 TFLOPS

A40 PCIe +84%

37.42 TFLOPS

Radeon Pro V620

VS

A40 PCIe

Graphics Card

Nov 2021

Release Date

Oct 2020

Radeon Pro

Generation

Tesla

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1825 MHz

Base Clock

1305 MHz

2200 MHz

Boost Clock

1740 MHz

2000 MHz

Memory Clock

1812 MHz

Memory

32GB

Memory Size

48GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

384bit

512.0GB/s

Bandwidth

695.8GB/s

Render Config

72

Compute Units

-

SM Count

84

4608

Shading Units

10752

288

TMUs

336

128

ROPs

112

-

Tensor Cores

336

72

RT Cores

84

128 KB per Array

L1 Cache

128 KB (per SM)

4 MB

L2 Cache

6 MB

128 MB

L3 Cache

-

Theoretical Performance

281.6 GPixel/s

Pixel Rate

194.9 GPixel/s

633.6 GTexel/s

Texture Rate

584.6 GTexel/s

40.55 TFLOPS

FP16 (half)

37.42 TFLOPS

20.28 TFLOPS

FP32 (float)

37.42 TFLOPS

1267 GFLOPS

FP64 (double)

584.6 GFLOPS

Board Design

300W

TDP

300W

700 W

Suggested PSU

700 W

No outputs

Outputs

3x DisplayPort 1.4a

2x 8-pin

Power Connectors

8-pin EPS

Graphics Processor

Navi 21

GPU Name

GA102

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

28.3 billion

520 mm²

Die Size

628 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

6.6

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