AMD Radeon RX 6400 vs AMD Radeon Pro W6600

VS

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6400 and 8GB VRAM Radeon Pro W6600 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6400 's Advantages

Released 7 months late

Lower TDP (53W vs 100W)

AMD Radeon Pro W6600 's Advantages

Boost Clock has increased by 11% (2580MHz vs 2321MHz)

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (224.0GB/s vs 128.0GB/s)

1024 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6400

3.565 TFLOPS

Radeon Pro W6600 +159%

9.247 TFLOPS

Blender

Radeon RX 6400

325

Radeon Pro W6600 +212%

1016

Radeon RX 6400

VS

Radeon Pro W6600

Graphics Card

Jan 2022

Release Date

Jun 2021

Navi II

Generation

Radeon Pro

Desktop

Type

Desktop

PCIe 4.0 x4

Bus Interface

PCIe 4.0 x8

Clock Speeds

1923 MHz

Base Clock

2331 MHz

2321 MHz

Boost Clock

2580 MHz

2000 MHz

Memory Clock

1750 MHz

Memory

4GB

Memory Size

8GB

GDDR6

Memory Type

GDDR6

64bit

Memory Bus

128bit

128.0GB/s

Bandwidth

224.0GB/s

Render Config

-

SM Count

-

12

Compute Units

28

768

Shading Units

1792

48

TMUs

112

32

ROPs

64

-

Tensor Cores

-

12

RT Cores

28

128 KB per Array

L1 Cache

128 KB per Array

1024 KB

L2 Cache

2 MB

Theoretical Performance

74.27 GPixel/s

Pixel Rate

165.1 GPixel/s

111.4 GTexel/s

Texture Rate

289.0 GTexel/s

7.130 TFLOPS

FP16 (half)

18.49 TFLOPS

3.565 TFLOPS

FP32 (float)

9.247 TFLOPS

222.8 GFLOPS

FP64 (double)

577.9 GFLOPS

Graphics Processor

Navi 24

GPU Name

Navi 23

Navi 24 XL (215-135000046)

GPU Variant

-

RDNA 2.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

6 nm

Process Size

7 nm

5.4 billion

Transistors

11.06 billion

107 mm²

Die Size

237 mm²

Board Design

53W

TDP

100W

250 W

Suggested PSU

300 W

1x HDMI 2.1 1x DisplayPort 1.4a

Outputs

4x DisplayPort 1.4a

None

Power Connectors

1x 6-pin

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

6.5

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