AMD Radeon HD 6870 X2 vs AMD Radeon Pro WX 8100

VS

AMD Radeon HD 6870 X2

AMD Radeon Pro WX 8100

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 X2 and 8GB VRAM Radeon Pro WX 8100 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro WX 8100 's Advantages

Released 6 years and 5 months late

Boost Clock1500MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (512.0GB/s vs 134.4GB/s)

2464 additional rendering cores

Lower TDP (230W vs 300W)

Score

Benchmark

FP32 (float)

Radeon HD 6870 X2

2.016 TFLOPS

Radeon Pro WX 8100 +433%

10.75 TFLOPS

Radeon HD 6870 X2

VS

Radeon Pro WX 8100

Graphics Card

Jul 2011

Release Date

Dec 2017

Northern Islands

Generation

Radeon Pro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1200 MHz

-

Boost Clock

1500 MHz

1050 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

8GB

GDDR5

Memory Type

HBM2

256bit

Memory Bus

2048bit

134.4GB/s

Bandwidth

512.0GB/s

Render Config

14

Compute Units

56

-

1120

Shading Units

3584

56

TMUs

224

32

ROPs

64

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

4 MB

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

96.00 GPixel/s

50.40 GTexel/s

Texture Rate

336.0 GTexel/s

-

FP16 (half)

21.50 TFLOPS

2.016 TFLOPS

FP32 (float)

10.75 TFLOPS

-

FP64 (double)

672.0 GFLOPS

Board Design

300W

TDP

230W

700 W

Suggested PSU

550 W

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

Outputs

6x mini-DisplayPort 1.4a

-

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Barts

GPU Name

Vega 10

Barts XT (215-0798000)

GPU Variant

Vega 10 XL (215-0894216)

TeraScale 2

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

1.7 billion

Transistors

12.5 billion

255 mm²

Die Size

495 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_1)

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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