AMD Radeon Pro Duo vs AMD Radeon 550X 640SP

VS

AMD Radeon Pro Duo AMD Radeon 550X 640SP

We compared two Desktop platform GPUs: 4GB VRAM Radeon Pro Duo 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 Pro Duo 's Advantages

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

3456 additional rendering cores

AMD Radeon 550X 640SP 's Advantages

Released 2 years late

Boost Clock1071MHz

Lower TDP (50W vs 350W)

Score

Benchmark

FP32 (float)

Radeon Pro Duo +497%

8.192 TFLOPS

Radeon 550X 640SP

1.371 TFLOPS

Radeon Pro Duo

VS

Radeon 550X 640SP

Graphics Card

Apr 2016

Release Date

Apr 2018

Radeon Pro

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1019 MHz

-

Boost Clock

1071 MHz

500 MHz

Memory Clock

1500 MHz

Memory

4GB

Memory Size

4GB

HBM

Memory Type

GDDR5

4096bit

Memory Bus

64bit

512.0GB/s

Bandwidth

48.00GB/s

Render Config

-

SM Count

-

64

Compute Units

10

4096

Shading Units

640

256

TMUs

40

64

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

Theoretical Performance

64.00 GPixel/s

Pixel Rate

17.14 GPixel/s

256.0 GTexel/s

Texture Rate

42.84 GTexel/s

8.192 TFLOPS

FP16 (half)

1371 GFLOPS

8.192 TFLOPS

FP32 (float)

1371 GFLOPS

512.0 GFLOPS

FP64 (double)

85.68 GFLOPS

Graphics Processor

Capsaicin

GPU Name

Lexa

Capsaicin XT

GPU Variant

Lexa PRO (215-0904018)

GCN 3.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

8.9 billion

Transistors

2.2 billion

596 mm²

Die Size

103 mm²

Board Design

350W

TDP

50W

750 W

Suggested PSU

250 W

1x HDMI 1.4a 3x DisplayPort 1.2

Outputs

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

3x 8-pin

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.0

OpenCL

2.1

1.2

Vulkan

1.2

-

CUDA

-

6.0

Shader Model

6.4

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