AMD Radeon HD 8950 OEM vs AMD Radeon HD 7970 X2

VS

AMD Radeon HD 8950 OEM

AMD Radeon HD 7970 X2

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 8950 OEM and 3GB VRAM Radeon HD 7970 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8950 OEM 's Advantages

Boost Clock925MHz

Lower TDP (200W vs 500W)

AMD Radeon HD 7970 X2 's Advantages

Larger VRAM bandwidth (264.0GB/s vs 240.0GB/s)

256 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8950 OEM

3.315 TFLOPS

Radeon HD 7970 X2 +14%

3.789 TFLOPS

Radeon HD 8950 OEM

VS

Radeon HD 7970 X2

Graphics Card

Jan 2013

Release Date

Aug 2012

Sea Islands

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

850 MHz

Base Clock

-

925 MHz

Boost Clock

-

1250 MHz

Memory Clock

1375 MHz

Memory

3GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

384bit

240.0GB/s

Bandwidth

264.0GB/s

Render Config

28

Compute Units

32

-

1792

Shading Units

2048

112

TMUs

128

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

768 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

29.60 GPixel/s

103.6 GTexel/s

Texture Rate

118.4 GTexel/s

-

3.315 TFLOPS

FP32 (float)

3.789 TFLOPS

828.8 GFLOPS

FP64 (double)

947.2 GFLOPS

Board Design

200W

TDP

500W

550 W

Suggested PSU

900 W

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

Outputs

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

2x 6-pin

Power Connectors

3x 8-pin

Graphics Processor

Tahiti

GPU Name

New Zealand

Tahiti PRO (215-0821056)

GPU Variant

-

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

4.313 billion

Transistors

4.313 billion

352 mm²

Die Size

352 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.2

OpenCL

1.2

Vulkan

1.2

-

5.1

Shader Model

5.1

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