AMD Radeon HD 8870 OEM vs AMD Radeon Pro WX 5100

VS

AMD Radeon HD 8870 OEM

AMD Radeon Pro WX 5100

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 8870 OEM 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 3 years and 10 months late

Boost Clock1086MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (160.0GB/s vs 153.6GB/s)

512 additional rendering cores

Lower TDP (75W vs 175W)

Score

Benchmark

FP32 (float)

Radeon HD 8870 OEM

2.56 TFLOPS

Radeon Pro WX 5100 +52%

3.892 TFLOPS

Radeon HD 8870 OEM

VS

Radeon Pro WX 5100

Graphics Card

Jan 2013

Release Date

Nov 2016

Sea Islands

Generation

Radeon Pro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

713 MHz

-

Boost Clock

1086 MHz

1200 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

153.6GB/s

Bandwidth

160.0GB/s

Render Config

20

Compute Units

28

-

1280

Shading Units

1792

80

TMUs

112

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

2 MB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

34.75 GPixel/s

80.00 GTexel/s

Texture Rate

121.6 GTexel/s

-

FP16 (half)

3.892 TFLOPS

2.560 TFLOPS

FP32 (float)

3.892 TFLOPS

160.0 GFLOPS

FP64 (double)

243.3 GFLOPS

Board Design

175W

TDP

75W

450 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

Outputs

4x DisplayPort 1.4a

2x 6-pin

Power Connectors

None

Graphics Processor

Pitcairn

GPU Name

Ellesmere

Pitcairn XT (215-0828047)

GPU Variant

Polaris 10 PRO GL (215-0876144)

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

2.8 billion

Transistors

5.7 billion

212 mm²

Die Size

232 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2

-

5.1

Shader Model

6.4

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