NVIDIA T400 4 GB vs AMD Radeon Pro V620

VS

NVIDIA T400 4 GB

AMD Radeon Pro V620

We compared two Desktop platform GPUs: 4GB VRAM T400 4 GB and 32GB VRAM Radeon Pro V620 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA T400 4 GB 's Advantages

Lower TDP (30W vs 300W)

AMD Radeon Pro V620 's Advantages

Released 6 months late

Boost Clock has increased by 54% (2200MHz vs 1425MHz)

More VRAM (32GB vs 4GB)

Larger VRAM bandwidth (512.0GB/s vs 80.00GB/s)

4224 additional rendering cores

Score

Benchmark

FP32 (float)

T400 4 GB

1.094 TFLOPS

Radeon Pro V620 +1753%

20.28 TFLOPS

T400 4 GB

VS

Radeon Pro V620

Graphics Card

May 2021

Release Date

Nov 2021

Quadro

Generation

Radeon Pro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

420 MHz

Base Clock

1825 MHz

1425 MHz

Boost Clock

2200 MHz

1250 MHz

Memory Clock

2000 MHz

Memory

4GB

Memory Size

32GB

GDDR6

Memory Type

GDDR6

64bit

Memory Bus

256bit

80.00GB/s

Bandwidth

512.0GB/s

Render Config

-

Compute Units

72

6

SM Count

-

384

Shading Units

4608

24

TMUs

288

16

ROPs

128

-

RT Cores

72

64 KB (per SM)

L1 Cache

128 KB per Array

1024 KB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

22.80 GPixel/s

Pixel Rate

281.6 GPixel/s

34.20 GTexel/s

Texture Rate

633.6 GTexel/s

2.189 TFLOPS

FP16 (half)

40.55 TFLOPS

1094 GFLOPS

FP32 (float)

20.28 TFLOPS

34.20 GFLOPS

FP64 (double)

1267 GFLOPS

Board Design

30W

TDP

300W

200 W

Suggested PSU

700 W

3x mini-DisplayPort 1.4a

Outputs

No outputs

None

Power Connectors

2x 8-pin

Graphics Processor

TU117

GPU Name

Navi 21

-

GPU Variant

Navi 21 XT (215-121000177)

Turing

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

12 nm

Process Size

7 nm

4.7 billion

Transistors

26.8 billion

200 mm²

Die Size

520 mm²

Graphics Features

12 (12_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.3

7.5

CUDA

-

6.6

Shader Model

6.5

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