AMD Radeon RX 590 vs AMD Radeon 550X 640SP

VS

AMD Radeon RX 590

AMD Radeon 550X 640SP

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 590 and 4GB VRAM Radeon 550X 640SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 590 's Advantages

Released 7 months late

Boost Clock has increased by 44% (1545MHz vs 1071MHz)

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (256.0GB/s vs 48.00GB/s)

1664 additional rendering cores

AMD Radeon 550X 640SP 's Advantages

Lower TDP (50W vs 175W)

Score

Benchmark

FP32 (float)

Radeon RX 590 +419%

7.119 TFLOPS

Radeon 550X 640SP

1.371 TFLOPS

Radeon RX 590

VS

Radeon 550X 640SP

Graphics Card

Nov 2018

Release Date

Apr 2018

Polaris

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1469 MHz

Base Clock

1019 MHz

1545 MHz

Boost Clock

1071 MHz

2000 MHz

Memory Clock

1500 MHz

Memory

8GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

64bit

256.0GB/s

Bandwidth

48.00GB/s

Render Config

36

Compute Units

10

-

2304

Shading Units

640

144

TMUs

40

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

49.44 GPixel/s

Pixel Rate

17.14 GPixel/s

222.5 GTexel/s

Texture Rate

42.84 GTexel/s

7.119 TFLOPS

FP16 (half)

1371 GFLOPS

7.119 TFLOPS

FP32 (float)

1371 GFLOPS

445.0 GFLOPS

FP64 (double)

85.68 GFLOPS

Board Design

175W

TDP

50W

450 W

Suggested PSU

250 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

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

1x 8-pin

Power Connectors

None

Graphics Processor

Polaris 30

GPU Name

Lexa

Polaris 30 XT (215-0922006)

GPU Variant

Lexa PRO (215-0904018)

GCN 4.0

Architecture

GCN 4.0

GlobalFoundries

Foundry

GlobalFoundries

12 nm

Process Size

14 nm

5.7 billion

Transistors

2.2 billion

232 mm²

Die Size

103 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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