AMD Radeon RX 550 640SP vs AMD Radeon Pro V420

VS

AMD Radeon RX 550 640SP

AMD Radeon Pro V420

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550 640SP and 32GB VRAM AMD Radeon Pro V420 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550 640SP 's Advantages

Lower TDP (60W vs 300W)

AMD Radeon Pro V420 's Advantages

Boost Clock has increased by 59% (1700MHz vs 1071MHz)

More VRAM (32GB vs 2GB)

Larger VRAM bandwidth (819.2GB/s vs 96.00GB/s)

3456 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 550 640SP

1.371 TFLOPS

AMD Radeon Pro V420 +916%

13.93 TFLOPS

Radeon RX 550 640SP

VS

AMD Radeon Pro V420

Graphics Card

Oct 2017

Release Date

Unknown

Polaris

Generation

Radeon Pro Vega

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

1019 MHz

Base Clock

800 MHz

1071 MHz

Boost Clock

1700 MHz

1500 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

32GB

GDDR5

Memory Type

HBM2

128bit

Memory Bus

4096bit

96.00GB/s

Bandwidth

819.2GB/s

Render Config

10

Compute Units

64

-

640

Shading Units

4096

40

TMUs

256

16

ROPs

64

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

4 MB

-

Theoretical Performance

17.14 GPixel/s

Pixel Rate

108.8 GPixel/s

42.84 GTexel/s

Texture Rate

435.2 GTexel/s

1371 GFLOPS

FP16 (half)

27.85 TFLOPS

1371 GFLOPS

FP32 (float)

13.93 TFLOPS

85.68 GFLOPS

FP64 (double)

6.963 TFLOPS

Board Design

60W

TDP

300W

250 W

Suggested PSU

700 W

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

Outputs

6x mini-DisplayPort 1.4a

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Baffin

GPU Name

Vega 20

Baffin LE

GPU Variant

Vega 20 GLXT WS (215-0914026)

GCN 4.0

Architecture

GCN 5.1

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

7 nm

3 billion

Transistors

13.23 billion

123 mm²

Die Size

331 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.3

-

6.4

Shader Model

6.7

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