AMD Radeon Pro WX 3100 vs AMD Radeon HD 7870 GHz Edition

VS

AMD Radeon Pro WX 3100

AMD Radeon HD 7870 GHz Edition

We compared two Desktop platform GPUs: 4GB VRAM Radeon Pro WX 3100 and 2GB VRAM Radeon HD 7870 GHz Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro WX 3100 's Advantages

Released 5 years and 3 months late

Boost Clock1219MHz

More VRAM (4GB vs 2GB)

Lower TDP (65W vs 175W)

AMD Radeon HD 7870 GHz Edition 's Advantages

Larger VRAM bandwidth (153.6GB/s vs 96.00GB/s)

768 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon Pro WX 3100

1.248 TFLOPS

Radeon HD 7870 GHz Edition +105%

2.56 TFLOPS

Radeon Pro WX 3100

VS

Radeon HD 7870 GHz Edition

Graphics Card

Jun 2017

Release Date

Mar 2012

Radeon Pro Polaris

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

925 MHz

Base Clock

-

1219 MHz

Boost Clock

-

1500 MHz

Memory Clock

1200 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

96.00GB/s

Bandwidth

153.6GB/s

Render Config

8

Compute Units

20

-

512

Shading Units

1280

32

TMUs

80

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

19.50 GPixel/s

Pixel Rate

32.00 GPixel/s

39.01 GTexel/s

Texture Rate

80.00 GTexel/s

1248 GFLOPS

FP16 (half)

-

1248 GFLOPS

FP32 (float)

2.560 TFLOPS

78.02 GFLOPS

FP64 (double)

160.0 GFLOPS

Board Design

65W

TDP

175W

250 W

Suggested PSU

450 W

1x DisplayPort 1.4a 2x mini-DisplayPort 1.4a

Outputs

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

None

Power Connectors

2x 6-pin

Graphics Processor

Lexa

GPU Name

Pitcairn

Lexa XT

GPU Variant

Pitcairn XT (215-0828047)

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

2.8 billion

103 mm²

Die Size

212 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

1.3

Vulkan

1.2

-

6.7

Shader Model

5.1

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