AMD Radeon Pro W6900X vs NVIDIA T400

VS

AMD Radeon Pro W6900X

NVIDIA T400

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro W6900X and 2GB VRAM T400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro W6900X 's Advantages

Boost Clock has increased by 51% (2150MHz vs 1425MHz)

More VRAM (32GB vs 2GB)

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

4736 additional rendering cores

NVIDIA T400 's Advantages

Lower TDP (30W vs 300W)

Score

Benchmark

FP32 (float)

Radeon Pro W6900X +1912%

22.02 TFLOPS

T400

1.094 TFLOPS

Radeon Pro W6900X

VS

T400

Graphics Card

Aug 2021

Release Date

May 2021

Radeon Pro Mac

Generation

Quadro

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1825 MHz

Base Clock

420 MHz

2150 MHz

Boost Clock

1425 MHz

2000 MHz

Memory Clock

1250 MHz

Memory

32GB

Memory Size

2GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

64bit

512.0GB/s

Bandwidth

80.00GB/s

Render Config

80

Compute Units

-

SM Count

6

5120

Shading Units

384

320

TMUs

24

128

ROPs

16

-

80

RT Cores

-

128 KB per Array

L1 Cache

64 KB (per SM)

4 MB

L2 Cache

1024 KB

128 MB

L3 Cache

-

Theoretical Performance

275.2 GPixel/s

Pixel Rate

22.80 GPixel/s

688.0 GTexel/s

Texture Rate

34.20 GTexel/s

44.03 TFLOPS

FP16 (half)

2.189 TFLOPS

22.02 TFLOPS

FP32 (float)

1094 GFLOPS

1376 GFLOPS

FP64 (double)

34.20 GFLOPS

Board Design

300W

TDP

30W

700 W

Suggested PSU

200 W

1x HDMI 2.1 4x Thunderbolt

Outputs

3x mini-DisplayPort 1.4a

None

Power Connectors

None

Graphics Processor

Navi 21

GPU Name

TU117

Navi 21 Pro-XTA

GPU Variant

-

RDNA 2.0

Architecture

Turing

TSMC

Foundry

TSMC

7 nm

Process Size

12 nm

26.8 billion

Transistors

4.7 billion

520 mm²

Die Size

200 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.3

-

CUDA

7.5

6.5

Shader Model

6.6

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