AMD Radeon RX 7900 XTX vs NVIDIA T400

VS

We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7900 XTX and 2GB VRAM T400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900 XTX 's Advantages

Released 1 years and 6 months late

Boost Clock has increased by 75% (2498MHz vs 1425MHz)

More VRAM (24GB vs 2GB)

Larger VRAM bandwidth (960.0GB/s vs 80.00GB/s)

5760 additional rendering cores

NVIDIA T400 's Advantages

Lower TDP (30W vs 355W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 XTX +5511%

61.39 TFLOPS

T400

1.094 TFLOPS

Radeon RX 7900 XTX

VS

T400

Graphics Card

Nov 2022

Release Date

May 2021

Navi III

Generation

Quadro

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1929 MHz

Base Clock

420 MHz

2498 MHz

Boost Clock

1425 MHz

2500 MHz

Memory Clock

1250 MHz

Memory

24GB

Memory Size

2GB

GDDR6

Memory Type

GDDR6

384bit

Memory Bus

64bit

960.0GB/s

Bandwidth

80.00GB/s

Render Config

-

SM Count

6

96

Compute Units

-

6144

Shading Units

384

TMUs

24

192

ROPs

16

-

Tensor Cores

-

96

RT Cores

-

256 KB per Array

L1 Cache

64 KB (per SM)

6 MB

L2 Cache

1024 KB

Theoretical Performance

479.6 GPixel/s

Pixel Rate

22.80 GPixel/s

959.2 GTexel/s

Texture Rate

34.20 GTexel/s

122.8 TFLOPS

FP16 (half)

2.189 TFLOPS

61.39 TFLOPS

FP32 (float)

1094 GFLOPS

1.918 TFLOPS

FP64 (double)

34.20 GFLOPS

Graphics Processor

Navi 31

GPU Name

TU117

Navi 31 XTX (215-145000146)

GPU Variant

-

RDNA 3.0

Architecture

Turing

TSMC

Foundry

TSMC

5 nm

Process Size

12 nm

57.7 billion

Transistors

4.7 billion

529 mm²

Die Size

200 mm²

Board Design

355W

TDP

30W

750 W

Suggested PSU

200 W

1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C

Outputs

3x mini-DisplayPort 1.4a

2x 8-pin

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.2

OpenCL

3.0

1.3

Vulkan

1.3

-

CUDA

7.5

6.7

Shader Model

6.6

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