AMD Radeon Pro Duo vs AMD Radeon HD 6970 X2

VS

AMD Radeon Pro Duo

AMD Radeon HD 6970 X2

We compared two Desktop platform GPUs: 4GB VRAM Radeon Pro Duo and 2GB VRAM Radeon HD 6970 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro Duo 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 176.0GB/s)

2560 additional rendering cores

Lower TDP (350W vs 375W)

Score

Benchmark

FP32 (float)

Radeon Pro Duo +203%

8.192 TFLOPS

Radeon HD 6970 X2

2.703 TFLOPS

Radeon Pro Duo

VS

Radeon HD 6970 X2

Graphics Card

Apr 2016

Release Date

Unknown

Radeon Pro

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

500 MHz

Memory Clock

1375 MHz

Memory

4GB

Memory Size

2GB

HBM

Memory Type

GDDR5

4096bit

Memory Bus

256bit

512.0GB/s

Bandwidth

176.0GB/s

Render Config

64

Compute Units

24

-

4096

Shading Units

1536

256

TMUs

96

64

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

512 KB

-

Theoretical Performance

64.00 GPixel/s

Pixel Rate

28.16 GPixel/s

256.0 GTexel/s

Texture Rate

84.48 GTexel/s

8.192 TFLOPS

FP16 (half)

-

8.192 TFLOPS

FP32 (float)

2.703 TFLOPS

512.0 GFLOPS

FP64 (double)

-

Board Design

350W

TDP

375W

750 W

Suggested PSU

750 W

1x HDMI 1.4a 3x DisplayPort 1.2

Outputs

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

3x 8-pin

Power Connectors

3x 8-pin

Graphics Processor

Capsaicin

GPU Name

Antilles

Capsaicin XT

GPU Variant

Antilles XT (215-0807027)

GCN 3.0

Architecture

TeraScale 3

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

8.9 billion

Transistors

2.64 billion

596 mm²

Die Size

389 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.0

OpenCL

1.2

Vulkan

N/A

-

6.0

Shader Model

5.0

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