AMD Radeon Pro Duo vs AMD Radeon HD 6970

VS

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

Main Differences

AMD Radeon Pro Duo 's Advantages

Released 5 years and 4 months late

More VRAM (4GB vs 2GB)

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

2560 additional rendering cores

AMD Radeon HD 6970 's Advantages

Lower TDP (250W vs 350W)

Score

Benchmark

FP32 (float)

Radeon Pro Duo +203%

8.192 TFLOPS

Radeon HD 6970

2.703 TFLOPS

Radeon Pro Duo

VS

Radeon HD 6970

Graphics Card

Apr 2016

Release Date

Dec 2010

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

1375 MHz

Memory

4GB

Memory Size

2GB

HBM

Memory Type

GDDR5

4096bit

Memory Bus

256bit

512.0GB/s

Bandwidth

176.0GB/s

Render Config

-

SM Count

-

64

Compute Units

24

4096

Shading Units

1536

256

TMUs

96

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

28.16 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)

675.8 GFLOPS

Graphics Processor

Capsaicin

GPU Name

Cayman

Capsaicin XT

GPU Variant

Cayman XT (215-0807007)

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

Board Design

350W

TDP

250W

750 W

Suggested PSU

600 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

1x 6-pin + 1x 8-pin

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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