AMD Radeon RX 6400 vs AMD Radeon Pro W6800X

VS

AMD Radeon RX 6400 AMD Radeon Pro W6800X

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6400 and 32GB VRAM Radeon Pro W6800X 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 11% (2321MHz vs 2087MHz)

Lower TDP (53W vs 200W)

AMD Radeon Pro W6800X 's Advantages

More VRAM (32GB vs 4GB)

Larger VRAM bandwidth (512.0GB/s vs 128.0GB/s)

3072 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6400

3.565 TFLOPS

Radeon Pro W6800X +349%

16.03 TFLOPS

Blender

Radeon RX 6400

325

Radeon Pro W6800X +347%

1455

Radeon RX 6400

VS

Radeon Pro W6800X

Graphics Card

Jan 2022

Release Date

Aug 2021

Navi II

Generation

Radeon Pro Mac

Desktop

Type

Desktop

PCIe 4.0 x4

Bus Interface

Apple MPX

Clock Speeds

1923 MHz

Base Clock

1800 MHz

2321 MHz

Boost Clock

2087 MHz

2000 MHz

Memory Clock

2000 MHz

Memory

4GB

Memory Size

32GB

GDDR6

Memory Type

GDDR6

64bit

Memory Bus

256bit

128.0GB/s

Bandwidth

512.0GB/s

Render Config

-

SM Count

-

12

Compute Units

60

768

Shading Units

3840

48

TMUs

240

32

ROPs

96

-

Tensor Cores

-

12

RT Cores

60

128 KB per Array

L1 Cache

128 KB per Array

1024 KB

L2 Cache

4 MB

Theoretical Performance

74.27 GPixel/s

Pixel Rate

200.4 GPixel/s

111.4 GTexel/s

Texture Rate

500.9 GTexel/s

7.130 TFLOPS

FP16 (half)

32.06 TFLOPS

3.565 TFLOPS

FP32 (float)

16.03 TFLOPS

222.8 GFLOPS

FP64 (double)

1002 GFLOPS

Graphics Processor

Navi 24

GPU Name

Navi 21

Navi 24 XL (215-135000046)

GPU Variant

Navi 21 Pro-XLA

RDNA 2.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

6 nm

Process Size

7 nm

5.4 billion

Transistors

26.8 billion

107 mm²

Die Size

520 mm²

Board Design

53W

TDP

200W

250 W

Suggested PSU

550 W

1x HDMI 2.1 1x DisplayPort 1.4a

Outputs

1x HDMI 2.1 4x Thunderbolt

None

Power Connectors

Apple MPX

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.2

OpenCL

2.1

1.3

Vulkan

1.3

-

CUDA

-

6.6

Shader Model

6.7

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