AMD Radeon RX 6400 vs NVIDIA A2

VS

AMD Radeon RX 6400

NVIDIA A2

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6400 and 16GB VRAM A2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6400 's Advantages

Boost Clock has increased by 31% (2321MHz vs 1770MHz)

Lower TDP (53W vs 60W)

NVIDIA A2 's Advantages

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (200.1GB/s vs 128.0GB/s)

512 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6400

3.565 TFLOPS

A2 +27%

4.531 TFLOPS

Blender

Radeon RX 6400

334

A2 +170%

902

Radeon RX 6400

VS

A2

Graphics Card

Jan 2022

Release Date

Nov 2021

Navi II

Generation

Quadro

Desktop

Type

Desktop

PCIe 4.0 x4

Bus Interface

PCIe 4.0 x8

Clock Speeds

1923 MHz

Base Clock

1440 MHz

2321 MHz

Boost Clock

1770 MHz

2000 MHz

Memory Clock

1563 MHz

Memory

4GB

Memory Size

16GB

GDDR6

Memory Type

GDDR6

64bit

Memory Bus

128bit

128.0GB/s

Bandwidth

200.1GB/s

Render Config

12

Compute Units

-

SM Count

10

768

Shading Units

1280

48

TMUs

40

32

ROPs

32

-

Tensor Cores

40

12

RT Cores

10

128 KB per Array

L1 Cache

128 KB (per SM)

1024 KB

L2 Cache

2 MB

16 MB

L3 Cache

-

Theoretical Performance

74.27 GPixel/s

Pixel Rate

56.64 GPixel/s

111.4 GTexel/s

Texture Rate

70.80 GTexel/s

7.130 TFLOPS

FP16 (half)

4.531 TFLOPS

3.565 TFLOPS

FP32 (float)

4.531 TFLOPS

222.8 GFLOPS

FP64 (double)

70.80 GFLOPS

Board Design

53W

TDP

60W

250 W

Suggested PSU

250 W

1x HDMI 2.1 1x DisplayPort 1.4a

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Navi 24

GPU Name

GA107

Navi 24 XL (215-135000046)

GPU Variant

-

RDNA 2.0

Architecture

Ampere

TSMC

Foundry

Samsung

6 nm

Process Size

8 nm

5.4 billion

Transistors

Unknown

107 mm²

Die Size

Unknown

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.2

OpenCL

3.0

1.3

Vulkan

1.3

-

CUDA

8.6

6.7

Shader Model

6.6

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