AMD Radeon 550X 640SP vs AMD Radeon Pro Duo Polaris

VS

AMD Radeon 550X 640SP

AMD Radeon Pro Duo Polaris

We compared two Desktop platform GPUs: 4GB VRAM Radeon 550X 640SP and 16GB VRAM Radeon Pro Duo Polaris 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

Boost Clock1071MHz

Lower TDP (50W vs 250W)

AMD Radeon Pro Duo Polaris 's Advantages

More VRAM (16GB vs 4GB)

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

1664 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon 550X 640SP

1.371 TFLOPS

Radeon Pro Duo Polaris +317%

5.728 TFLOPS

Radeon 550X 640SP

VS

Radeon Pro Duo Polaris

Graphics Card

Apr 2018

Release Date

Apr 2017

Polaris

Generation

Radeon Pro GCN

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1019 MHz

Base Clock

-

1071 MHz

Boost Clock

-

1500 MHz

Memory Clock

1750 MHz

Memory

4GB

Memory Size

16GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

256bit

48.00GB/s

Bandwidth

224.0GB/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)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

17.14 GPixel/s

Pixel Rate

39.78 GPixel/s

42.84 GTexel/s

Texture Rate

179.0 GTexel/s

1371 GFLOPS

FP16 (half)

5.728 TFLOPS

1371 GFLOPS

FP32 (float)

5.728 TFLOPS

85.68 GFLOPS

FP64 (double)

358.0 GFLOPS

Board Design

50W

TDP

250W

250 W

Suggested PSU

600 W

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

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Lexa

GPU Name

Ellesmere

Lexa PRO (215-0904018)

GPU Variant

Ellesmere Gemini GL

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

1.3

-

6.4

Shader Model

6.7

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