NVIDIA T400 4 GB vs AMD Radeon RX 7900 XT

VS

NVIDIA T400 4 GB

AMD Radeon RX 7900 XT

We compared two Desktop platform GPUs: 4GB VRAM T400 4 GB and 20GB VRAM Radeon RX 7900 XT 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 RX 7900 XT 's Advantages

Released 1 years and 6 months late

Boost Clock has increased by 68% (2394MHz vs 1425MHz)

More VRAM (20GB vs 4GB)

Larger VRAM bandwidth (800.0GB/s vs 80.00GB/s)

4992 additional rendering cores

Score

Benchmark

FP32 (float)

T400 4 GB

1.094 TFLOPS

Radeon RX 7900 XT +4605%

51.48 TFLOPS

Blender

T400 4 GB

182

Radeon RX 7900 XT +2045%

3905

T400 4 GB

VS

Radeon RX 7900 XT

Graphics Card

May 2021

Release Date

Nov 2022

Quadro

Generation

Navi III

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

420 MHz

Base Clock

1387 MHz

1425 MHz

Boost Clock

2394 MHz

1250 MHz

Memory Clock

2500 MHz

Memory

4GB

Memory Size

20GB

GDDR6

Memory Type

GDDR6

64bit

Memory Bus

320bit

80.00GB/s

Bandwidth

800.0GB/s

Render Config

-

Compute Units

84

6

SM Count

-

384

Shading Units

5376

24

TMUs

336

16

ROPs

192

-

RT Cores

84

64 KB (per SM)

L1 Cache

256 KB per Array

1024 KB

L2 Cache

6 MB

-

L3 Cache

80 MB

Theoretical Performance

22.80 GPixel/s

Pixel Rate

459.6 GPixel/s

34.20 GTexel/s

Texture Rate

804.4 GTexel/s

2.189 TFLOPS

FP16 (half)

103.0 TFLOPS

1094 GFLOPS

FP32 (float)

51.48 TFLOPS

34.20 GFLOPS

FP64 (double)

1.609 TFLOPS

Board Design

30W

TDP

300W

200 W

Suggested PSU

700 W

3x mini-DisplayPort 1.4a

Outputs

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

None

Power Connectors

2x 8-pin

Graphics Processor

TU117

GPU Name

Navi 31

-

GPU Variant

Navi 31 XT (215-145000156)

Turing

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

12 nm

Process Size

5 nm

4.7 billion

Transistors

57.7 billion

200 mm²

Die Size

529 mm²

Graphics Features

12 (12_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.2

1.3

Vulkan

1.3

7.5

CUDA

-

6.6

Shader Model

6.7

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