AMD Radeon HD 8970 OEM vs AMD Radeon Pro Duo

VS

AMD Radeon HD 8970 OEM

AMD Radeon Pro Duo

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 8970 OEM 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 HD 8970 OEM 's Advantages

Lower TDP (250W vs 350W)

AMD Radeon Pro Duo 's Advantages

Released 3 years and 3 months late

More VRAM (4GB vs 3GB)

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

2048 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8970 OEM

3.789 TFLOPS

Radeon Pro Duo +116%

8.192 TFLOPS

Radeon HD 8970 OEM

VS

Radeon Pro Duo

Graphics Card

Jan 2013

Release Date

Apr 2016

Sea Islands

Generation

Radeon Pro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

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

32

Compute Units

64

-

2048

Shading Units

4096

128

TMUs

256

32

ROPs

64

-

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

Board Design

250W

TDP

350W

600 W

Suggested PSU

750 W

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

Outputs

1x HDMI 1.4a 3x DisplayPort 1.2

1x 6-pin + 1x 8-pin

Power Connectors

3x 8-pin

Graphics Processor

Tahiti

GPU Name

Capsaicin

Tahiti XT (215-0821060)

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

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.0

1.2

Vulkan

1.2

-

5.1

Shader Model

6.0

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