AMD Radeon 550X 640SP vs AMD Radeon Pro Duo

VS

AMD Radeon 550X 640SP AMD Radeon Pro Duo

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

Main Differences

AMD Radeon 550X 640SP 's Advantages

Released 2 years late

Boost Clock1071MHz

Lower TDP (50W vs 350W)

AMD Radeon Pro Duo 's Advantages

Larger VRAM bandwidth (512.0GB/s vs 48.00GB/s)

3456 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon 550X 640SP

1.371 TFLOPS

Radeon Pro Duo +497%

8.192 TFLOPS

Radeon 550X 640SP

VS

Radeon Pro Duo

Graphics Card

Apr 2018

Release Date

Apr 2016

Polaris

Generation

Radeon Pro

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

500 MHz

Memory

4GB

Memory Size

4GB

GDDR5

Memory Type

HBM

64bit

Memory Bus

4096bit

48.00GB/s

Bandwidth

512.0GB/s

Render Config

-

SM Count

-

10

Compute Units

64

640

Shading Units

4096

40

TMUs

256

16

ROPs

64

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

2 MB

Theoretical Performance

17.14 GPixel/s

Pixel Rate

64.00 GPixel/s

42.84 GTexel/s

Texture Rate

256.0 GTexel/s

1371 GFLOPS

FP16 (half)

8.192 TFLOPS

1371 GFLOPS

FP32 (float)

8.192 TFLOPS

85.68 GFLOPS

FP64 (double)

512.0 GFLOPS

Graphics Processor

Lexa

GPU Name

Capsaicin

Lexa PRO (215-0904018)

GPU Variant

Capsaicin XT

GCN 4.0

Architecture

GCN 3.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

8.9 billion

103 mm²

Die Size

596 mm²

Board Design

50W

TDP

350W

250 W

Suggested PSU

750 W

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

Outputs

1x HDMI 1.4a 3x DisplayPort 1.2

None

Power Connectors

3x 8-pin

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.0

1.2

Vulkan

1.2

-

CUDA

-

6.4

Shader Model

6.0

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