ATI Radeon HD 5970 vs AMD Radeon HD 8950 OEM

VS

ATI Radeon HD 5970

AMD Radeon HD 8950 OEM

We compared two Desktop platform GPUs: 1024MB VRAM ATI Radeon HD 5970 and 3GB VRAM Radeon HD 8950 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8950 OEM 's Advantages

Released 3 years and 2 months late

Boost Clock925MHz

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (240.0GB/s vs 128.0GB/s)

192 additional rendering cores

Lower TDP (200W vs 294W)

Score

Benchmark

FP32 (float)

ATI Radeon HD 5970

2.32 TFLOPS

Radeon HD 8950 OEM +42%

3.315 TFLOPS

ATI Radeon HD 5970

VS

Radeon HD 8950 OEM

Graphics Card

Nov 2009

Release Date

Jan 2013

Evergreen

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

850 MHz

-

Boost Clock

925 MHz

1000 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

128.0GB/s

Bandwidth

240.0GB/s

Render Config

20

Compute Units

28

-

1600

Shading Units

1792

80

TMUs

112

32

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

768 KB

-

Theoretical Performance

23.20 GPixel/s

Pixel Rate

29.60 GPixel/s

58.00 GTexel/s

Texture Rate

103.6 GTexel/s

-

2.320 TFLOPS

FP32 (float)

3.315 TFLOPS

464.0 GFLOPS

FP64 (double)

828.8 GFLOPS

Board Design

294W

TDP

200W

600 W

Suggested PSU

550 W

2x DVI 1x mini-DisplayPort 1.1

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Hemlock

GPU Name

Tahiti

Hemlock XT (215-0735075)

GPU Variant

Tahiti PRO (215-0821056)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

2.154 billion

Transistors

4.313 billion

334 mm²

Die Size

352 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

1.2

N/A

Vulkan

1.2

-

5.0

Shader Model

5.1

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