AMD Radeon HD 7970 X2 vs AMD Radeon Pro Duo

VS

AMD Radeon HD 7970 X2 AMD Radeon Pro Duo

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 X2 and 4GB VRAM Radeon Pro Duo to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro Duo 's Advantages

Released 3 years and 8 months late

More VRAM (4GB vs 3GB)

Larger VRAM bandwidth (512.0GB/s vs 264.0GB/s)

2048 additional rendering cores

Lower TDP (350W vs 500W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 X2

3.789 TFLOPS

Radeon Pro Duo +116%

8.192 TFLOPS

Radeon HD 7970 X2

VS

Radeon Pro Duo

Graphics Card

Aug 2012

Release Date

Apr 2016

Southern Islands

Generation

Radeon Pro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1375 MHz

Memory Clock

500 MHz

Memory

3GB

Memory Size

4GB

GDDR5

Memory Type

HBM

384bit

Memory Bus

4096bit

264.0GB/s

Bandwidth

512.0GB/s

Render Config

-

SM Count

-

32

Compute Units

64

2048

Shading Units

4096

128

TMUs

256

32

ROPs

64

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

2 MB

Theoretical Performance

29.60 GPixel/s

Pixel Rate

64.00 GPixel/s

118.4 GTexel/s

Texture Rate

256.0 GTexel/s

-

FP16 (half)

8.192 TFLOPS

3.789 TFLOPS

FP32 (float)

8.192 TFLOPS

947.2 GFLOPS

FP64 (double)

512.0 GFLOPS

Graphics Processor

New Zealand

GPU Name

Capsaicin

-

GPU Variant

Capsaicin XT

GCN 1.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

4.313 billion

Transistors

8.9 billion

352 mm²

Die Size

596 mm²

Board Design

500W

TDP

350W

900 W

Suggested PSU

750 W

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

Outputs

1x HDMI 1.4a 3x DisplayPort 1.2

3x 8-pin

Power Connectors

3x 8-pin

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.0

1.2

Vulkan

1.2

-

CUDA

-

5.1

Shader Model

6.0

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