AMD Radeon 550X 640SP vs AMD Radeon RX 570

VS

AMD Radeon 550X 640SP

AMD Radeon RX 570

We compared two Desktop platform GPUs: 4GB VRAM Radeon 550X 640SP and 4GB VRAM Radeon RX 570 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 550X 640SP 's Advantages

Released 1 years late

Lower TDP (50W vs 150W)

AMD Radeon RX 570 's Advantages

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

Larger VRAM bandwidth (224.0GB/s vs 48.00GB/s)

1408 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon 550X 640SP

1.371 TFLOPS

Radeon RX 570 +271%

5.095 TFLOPS

Radeon 550X 640SP

VS

Radeon RX 570

Graphics Card

Apr 2018

Release Date

Apr 2017

Polaris

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1019 MHz

Base Clock

1168 MHz

1071 MHz

Boost Clock

1244 MHz

1500 MHz

Memory Clock

1750 MHz

Memory

4GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

256bit

48.00GB/s

Bandwidth

224.0GB/s

Render Config

10

Compute Units

32

-

640

Shading Units

2048

40

TMUs

128

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

17.14 GPixel/s

Pixel Rate

39.81 GPixel/s

42.84 GTexel/s

Texture Rate

159.2 GTexel/s

1371 GFLOPS

FP16 (half)

5.095 TFLOPS

1371 GFLOPS

FP32 (float)

5.095 TFLOPS

85.68 GFLOPS

FP64 (double)

318.5 GFLOPS

Board Design

50W

TDP

150W

250 W

Suggested PSU

450 W

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

Outputs

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

None

Power Connectors

1x 6-pin

Graphics Processor

Lexa

GPU Name

Polaris 20

Lexa PRO (215-0904018)

GPU Variant

Polaris 20 XL (215-0910052)

GCN 4.0

Architecture

GCN 4.0

GlobalFoundries

Foundry

GlobalFoundries

14 nm

Process Size

14 nm

2.2 billion

Transistors

5.7 billion

103 mm²

Die Size

232 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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