AMD Radeon Pro W6800 vs AMD Radeon RX 6400

VS

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro W6800 and 4GB VRAM Radeon RX 6400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro W6800 's Advantages

More VRAM (32GB vs 4GB)

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

3072 additional rendering cores

AMD Radeon RX 6400 's Advantages

Released 7 months late

Boost Clock has increased by 0% (2321MHz vs 2320MHz)

Lower TDP (53W vs 250W)

Score

Benchmark

FP32 (float)

Radeon Pro W6800 +399%

17.82 TFLOPS

Radeon RX 6400

3.565 TFLOPS

Blender

Radeon Pro W6800 +509%

1980

Radeon RX 6400

325

Radeon Pro W6800

VS

Radeon RX 6400

Graphics Card

Jun 2021

Release Date

Jan 2022

Radeon Pro

Generation

Navi II

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

2075 MHz

Base Clock

1923 MHz

2320 MHz

Boost Clock

2321 MHz

2000 MHz

Memory Clock

2000 MHz

Memory

32GB

Memory Size

4GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

64bit

512.0GB/s

Bandwidth

128.0GB/s

Render Config

-

SM Count

-

60

Compute Units

12

3840

Shading Units

768

240

TMUs

48

96

ROPs

32

-

Tensor Cores

-

60

RT Cores

12

128 KB per Array

L1 Cache

128 KB per Array

4 MB

L2 Cache

1024 KB

Theoretical Performance

222.7 GPixel/s

Pixel Rate

74.27 GPixel/s

556.8 GTexel/s

Texture Rate

111.4 GTexel/s

35.64 TFLOPS

FP16 (half)

7.130 TFLOPS

17.82 TFLOPS

FP32 (float)

3.565 TFLOPS

1114 GFLOPS

FP64 (double)

222.8 GFLOPS

Graphics Processor

Navi 21

GPU Name

Navi 24

-

GPU Variant

Navi 24 XL (215-135000046)

RDNA 2.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

6 nm

26.8 billion

Transistors

5.4 billion

520 mm²

Die Size

107 mm²

Board Design

250W

TDP

53W

600 W

Suggested PSU

250 W

6x mini-DisplayPort 1.4a

Outputs

1x HDMI 2.1 1x DisplayPort 1.4a

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.2

1.3

Vulkan

1.3

-

CUDA

-

6.5

Shader Model

6.6

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