AMD Radeon 550X 640SP vs AMD Radeon Pro W6400

VS

AMD Radeon 550X 640SP

AMD Radeon Pro W6400

We compared two Desktop platform GPUs: 4GB VRAM Radeon 550X 640SP and 4GB VRAM Radeon Pro W6400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro W6400 's Advantages

Released 3 years and 9 months late

Boost Clock has increased by 118% (2331MHz vs 1071MHz)

Larger VRAM bandwidth (112.0GB/s vs 48.00GB/s)

128 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon 550X 640SP

1.371 TFLOPS

Radeon Pro W6400 +161%

3.58 TFLOPS

Radeon 550X 640SP

VS

Radeon Pro W6400

Graphics Card

Apr 2018

Release Date

Jan 2022

Polaris

Generation

Radeon Pro

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x4

Clock Speeds

1019 MHz

Base Clock

2331 MHz

1071 MHz

Boost Clock

2331 MHz

1500 MHz

Memory Clock

1750 MHz

Memory

4GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

64bit

Memory Bus

64bit

48.00GB/s

Bandwidth

112.0GB/s

Render Config

10

Compute Units

12

-

640

Shading Units

768

40

TMUs

48

16

ROPs

32

-

RT Cores

12

16 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

1024 KB

-

L3 Cache

8 MB

Theoretical Performance

17.14 GPixel/s

Pixel Rate

74.59 GPixel/s

42.84 GTexel/s

Texture Rate

111.9 GTexel/s

1371 GFLOPS

FP16 (half)

7.161 TFLOPS

1371 GFLOPS

FP32 (float)

3.580 TFLOPS

85.68 GFLOPS

FP64 (double)

223.8 GFLOPS

Board Design

50W

TDP

50W

250 W

Suggested PSU

250 W

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

Outputs

2x DisplayPort 1.4a

None

Power Connectors

None

Graphics Processor

Lexa

GPU Name

Navi 24

Lexa PRO (215-0904018)

GPU Variant

Navi 24 XL-W

GCN 4.0

Architecture

RDNA 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

6 nm

2.2 billion

Transistors

5.4 billion

103 mm²

Die Size

107 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.2

1.2

Vulkan

1.3

-

6.4

Shader Model

6.6

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