AMD Radeon RX 550 640SP vs AMD Radeon RX 590

VS

AMD Radeon RX 550 640SP

AMD Radeon RX 590

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550 640SP and 8GB VRAM Radeon RX 590 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 175W)

AMD Radeon RX 590 's Advantages

Released 1 years and 1 months late

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

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (256.0GB/s vs 96.00GB/s)

1664 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 550 640SP

1.371 TFLOPS

Radeon RX 590 +419%

7.119 TFLOPS

Radeon RX 550 640SP

VS

Radeon RX 590

Graphics Card

Oct 2017

Release Date

Nov 2018

Polaris

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1019 MHz

Base Clock

1469 MHz

1071 MHz

Boost Clock

1545 MHz

1500 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

96.00GB/s

Bandwidth

256.0GB/s

Render Config

10

Compute Units

36

-

640

Shading Units

2304

40

TMUs

144

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

2 MB

-

Theoretical Performance

17.14 GPixel/s

Pixel Rate

49.44 GPixel/s

42.84 GTexel/s

Texture Rate

222.5 GTexel/s

1371 GFLOPS

FP16 (half)

7.119 TFLOPS

1371 GFLOPS

FP32 (float)

7.119 TFLOPS

85.68 GFLOPS

FP64 (double)

445.0 GFLOPS

Board Design

60W

TDP

175W

250 W

Suggested PSU

450 W

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

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

None

Power Connectors

1x 8-pin

Graphics Processor

Baffin

GPU Name

Polaris 30

Baffin LE

GPU Variant

Polaris 30 XT (215-0922006)

GCN 4.0

Architecture

GCN 4.0

GlobalFoundries

Foundry

GlobalFoundries

14 nm

Process Size

12 nm

3 billion

Transistors

5.7 billion

123 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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