AMD Radeon Pro Duo vs AMD Radeon HD 6870 X2

VS

AMD Radeon Pro Duo AMD Radeon HD 6870 X2

We compared two Desktop platform GPUs: 4GB VRAM Radeon Pro Duo and 1024MB VRAM Radeon HD 6870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro Duo 's Advantages

Released 4 years and 9 months late

More VRAM (4GB vs 1GB)

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

2976 additional rendering cores

AMD Radeon HD 6870 X2 's Advantages

Lower TDP (300W vs 350W)

Score

Benchmark

FP32 (float)

Radeon Pro Duo +306%

8.192 TFLOPS

Radeon HD 6870 X2

2.016 TFLOPS

Radeon Pro Duo

VS

Radeon HD 6870 X2

Graphics Card

Apr 2016

Release Date

Jul 2011

Radeon Pro

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

500 MHz

Memory Clock

1050 MHz

Memory

4GB

Memory Size

1024MB

HBM

Memory Type

GDDR5

4096bit

Memory Bus

256bit

512.0GB/s

Bandwidth

134.4GB/s

Render Config

-

SM Count

-

64

Compute Units

14

4096

Shading Units

1120

256

TMUs

56

64

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

512 KB

Theoretical Performance

64.00 GPixel/s

Pixel Rate

28.80 GPixel/s

256.0 GTexel/s

Texture Rate

50.40 GTexel/s

8.192 TFLOPS

FP16 (half)

-

8.192 TFLOPS

FP32 (float)

2.016 TFLOPS

512.0 GFLOPS

FP64 (double)

-

Graphics Processor

Capsaicin

GPU Name

Barts

Capsaicin XT

GPU Variant

Barts XT (215-0798000)

GCN 3.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

8.9 billion

Transistors

1.7 billion

596 mm²

Die Size

255 mm²

Board Design

350W

TDP

300W

750 W

Suggested PSU

700 W

1x HDMI 1.4a 3x DisplayPort 1.2

Outputs

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

3x 8-pin

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.0

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

6.0

Shader Model

5.0

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