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

VS

AMD Radeon HD 7870 GHz Edition

AMD Radeon Pro WX 3100

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

Main Differences

AMD Radeon HD 7870 GHz Edition 's Advantages

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

768 additional rendering cores

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)

Score

Benchmark

FP32 (float)

Radeon HD 7870 GHz Edition +105%

2.56 TFLOPS

Radeon Pro WX 3100

1.248 TFLOPS

Radeon HD 7870 GHz Edition

VS

Radeon Pro WX 3100

Graphics Card

Mar 2012

Release Date

Jun 2017

Southern Islands

Generation

Radeon Pro Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

925 MHz

-

Boost Clock

1219 MHz

1200 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

153.6GB/s

Bandwidth

96.00GB/s

Render Config

20

Compute Units

8

-

1280

Shading Units

512

80

TMUs

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

19.50 GPixel/s

80.00 GTexel/s

Texture Rate

39.01 GTexel/s

-

FP16 (half)

1248 GFLOPS

2.560 TFLOPS

FP32 (float)

1248 GFLOPS

160.0 GFLOPS

FP64 (double)

78.02 GFLOPS

Board Design

175W

TDP

65W

450 W

Suggested PSU

250 W

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

Outputs

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

2x 6-pin

Power Connectors

None

Graphics Processor

Pitcairn

GPU Name

Lexa

Pitcairn XT (215-0828047)

GPU Variant

Lexa XT

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

2.8 billion

Transistors

2.2 billion

212 mm²

Die Size

103 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.3

-

5.1

Shader Model

6.7

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