AMD Radeon HD 6870 X2 vs AMD Radeon Pro WX 5100

VS

AMD Radeon HD 6870 X2

AMD Radeon Pro WX 5100

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 X2 and 8GB VRAM Radeon Pro WX 5100 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro WX 5100 's Advantages

Released 5 years and 4 months late

Boost Clock1086MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 134.4GB/s)

672 additional rendering cores

Lower TDP (75W vs 300W)

Score

Benchmark

FP32 (float)

Radeon HD 6870 X2

2.016 TFLOPS

Radeon Pro WX 5100 +93%

3.892 TFLOPS

Radeon HD 6870 X2

VS

Radeon Pro WX 5100

Graphics Card

Jul 2011

Release Date

Nov 2016

Northern Islands

Generation

Radeon Pro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

713 MHz

-

Boost Clock

1086 MHz

1050 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

134.4GB/s

Bandwidth

160.0GB/s

Render Config

14

Compute Units

28

-

1120

Shading Units

1792

56

TMUs

112

32

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

2 MB

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

34.75 GPixel/s

50.40 GTexel/s

Texture Rate

121.6 GTexel/s

-

FP16 (half)

3.892 TFLOPS

2.016 TFLOPS

FP32 (float)

3.892 TFLOPS

-

FP64 (double)

243.3 GFLOPS

Board Design

300W

TDP

75W

700 W

Suggested PSU

250 W

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

Outputs

4x DisplayPort 1.4a

-

Power Connectors

None

Graphics Processor

Barts

GPU Name

Ellesmere

Barts XT (215-0798000)

GPU Variant

Polaris 10 PRO GL (215-0876144)

TeraScale 2

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

1.7 billion

Transistors

5.7 billion

255 mm²

Die Size

232 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.2

-

5.0

Shader Model

6.4

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