AMD Radeon RX 570X vs AMD Radeon RX 550 640SP

VS

AMD Radeon RX 570X

AMD Radeon RX 550 640SP

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 570X and 2GB VRAM Radeon RX 550 640SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 570X 's Advantages

Released 6 months late

Boost Clock has increased by 16% (1244MHz vs 1071MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (224.0GB/s vs 96.00GB/s)

1408 additional rendering cores

AMD Radeon RX 550 640SP 's Advantages

Lower TDP (60W vs 150W)

Score

Benchmark

FP32 (float)

Radeon RX 570X +271%

5.095 TFLOPS

Radeon RX 550 640SP

1.371 TFLOPS

Radeon RX 570X

VS

Radeon RX 550 640SP

Graphics Card

Apr 2018

Release Date

Oct 2017

Polaris

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1168 MHz

Base Clock

1019 MHz

1244 MHz

Boost Clock

1071 MHz

1750 MHz

Memory Clock

1500 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

224.0GB/s

Bandwidth

96.00GB/s

Render Config

32

Compute Units

10

-

2048

Shading Units

640

128

TMUs

40

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

1024 KB

-

Theoretical Performance

39.81 GPixel/s

Pixel Rate

17.14 GPixel/s

159.2 GTexel/s

Texture Rate

42.84 GTexel/s

5.095 TFLOPS

FP16 (half)

1371 GFLOPS

5.095 TFLOPS

FP32 (float)

1371 GFLOPS

318.5 GFLOPS

FP64 (double)

85.68 GFLOPS

Board Design

150W

TDP

60W

450 W

Suggested PSU

250 W

1x DVI 1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

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

1x 6-pin

Power Connectors

None

Graphics Processor

Polaris 20

GPU Name

Baffin

Polaris 20 XL (215-0910052)

GPU Variant

Baffin LE

GCN 4.0

Architecture

GCN 4.0

GlobalFoundries

Foundry

GlobalFoundries

14 nm

Process Size

14 nm

5.7 billion

Transistors

3 billion

232 mm²

Die Size

123 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.2

-

6.4

Shader Model

6.4

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