NVIDIA T400 vs AMD Radeon RX 6400

VS

NVIDIA T400 AMD Radeon RX 6400

We compared two Desktop platform GPUs: 2GB VRAM T400 and 4GB VRAM Radeon RX 6400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA T400 's Advantages

Lower TDP (30W vs 53W)

AMD Radeon RX 6400 's Advantages

Released 8 months late

Boost Clock has increased by 63% (2321MHz vs 1425MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (128.0GB/s vs 80.00GB/s)

384 additional rendering cores

Score

Benchmark

FP32 (float)

T400

1.094 TFLOPS

Radeon RX 6400 +225%

3.565 TFLOPS

T400

VS

Radeon RX 6400

Graphics Card

May 2021

Release Date

Jan 2022

Quadro

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

420 MHz

Base Clock

1923 MHz

1425 MHz

Boost Clock

2321 MHz

1250 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

4GB

GDDR6

Memory Type

GDDR6

64bit

Memory Bus

64bit

80.00GB/s

Bandwidth

128.0GB/s

Render Config

6

SM Count

-

Compute Units

12

384

Shading Units

768

24

TMUs

48

16

ROPs

32

-

Tensor Cores

-

RT Cores

12

64 KB (per SM)

L1 Cache

128 KB per Array

1024 KB

L2 Cache

1024 KB

Theoretical Performance

22.80 GPixel/s

Pixel Rate

74.27 GPixel/s

34.20 GTexel/s

Texture Rate

111.4 GTexel/s

2.189 TFLOPS

FP16 (half)

7.130 TFLOPS

1094 GFLOPS

FP32 (float)

3.565 TFLOPS

34.20 GFLOPS

FP64 (double)

222.8 GFLOPS

Graphics Processor

TU117

GPU Name

Navi 24

-

GPU Variant

Navi 24 XL (215-135000046)

Turing

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

12 nm

Process Size

6 nm

4.7 billion

Transistors

5.4 billion

200 mm²

Die Size

107 mm²

Board Design

30W

TDP

53W

200 W

Suggested PSU

250 W

3x mini-DisplayPort 1.4a

Outputs

1x HDMI 2.1 1x DisplayPort 1.4a

None

Power Connectors

None

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

6.6

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