AMD Radeon Pro W6400 vs AMD Radeon RX 6900 XT

VS

AMD Radeon Pro W6400

AMD Radeon RX 6900 XT

We compared two Desktop platform GPUs: 4GB VRAM Radeon Pro W6400 and 16GB VRAM Radeon RX 6900 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro W6400 's Advantages

Released 1 years and 3 months late

Boost Clock has increased by 4% (2331MHz vs 2250MHz)

Lower TDP (50W vs 300W)

AMD Radeon RX 6900 XT 's Advantages

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (512.0GB/s vs 112.0GB/s)

4352 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon Pro W6400

3.58 TFLOPS

Radeon RX 6900 XT +543%

23.04 TFLOPS

Blender

Radeon Pro W6400

221

Radeon RX 6900 XT +1233%

2948

Shadow of the Tomb Raider 2160p

Radeon Pro W6400

8

Radeon RX 6900 XT +887%

79

Shadow of the Tomb Raider 1440p

Radeon Pro W6400

20

Radeon RX 6900 XT +610%

142

Shadow of the Tomb Raider 1080p

Radeon Pro W6400

35

Radeon RX 6900 XT +454%

194

Radeon Pro W6400

VS

Radeon RX 6900 XT

Graphics Card

Jan 2022

Release Date

Oct 2020

Radeon Pro

Generation

Navi II

Desktop

Type

Desktop

PCIe 4.0 x4

Bus Interface

PCIe 4.0 x16

Clock Speeds

2331 MHz

Base Clock

1825 MHz

2331 MHz

Boost Clock

2250 MHz

1750 MHz

Memory Clock

2000 MHz

Memory

4GB

Memory Size

16GB

GDDR6

Memory Type

GDDR6

64bit

Memory Bus

256bit

112.0GB/s

Bandwidth

512.0GB/s

Render Config

12

Compute Units

80

-

768

Shading Units

5120

48

TMUs

320

32

ROPs

128

-

12

RT Cores

80

128 KB per Array

L1 Cache

128 KB per Array

1024 KB

L2 Cache

4 MB

8 MB

L3 Cache

128 MB

Theoretical Performance

74.59 GPixel/s

Pixel Rate

288.0 GPixel/s

111.9 GTexel/s

Texture Rate

720.0 GTexel/s

7.161 TFLOPS

FP16 (half)

46.08 TFLOPS

3.580 TFLOPS

FP32 (float)

23.04 TFLOPS

223.8 GFLOPS

FP64 (double)

1440 GFLOPS

Board Design

50W

TDP

300W

250 W

Suggested PSU

700 W

2x DisplayPort 1.4a

Outputs

1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C

None

Power Connectors

2x 8-pin

Graphics Processor

Navi 24

GPU Name

Navi 21

Navi 24 XL-W

GPU Variant

Navi 21 XTX (215-121000167)

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

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

-

6.6

Shader Model

6.5

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