AMD Radeon HD 8950 OEM vs ATI Radeon HD 5870

VS

AMD Radeon HD 8950 OEM

ATI Radeon HD 5870

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 8950 OEM and 1024MB VRAM Radeon HD 5870 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 4 months late

Boost Clock925MHz

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (240.0GB/s vs 153.6GB/s)

192 additional rendering cores

ATI Radeon HD 5870 's Advantages

Lower TDP (188W vs 200W)

Score

Benchmark

FP32 (float)

Radeon HD 8950 OEM +21%

3.315 TFLOPS

Radeon HD 5870

2.72 TFLOPS

Radeon HD 8950 OEM

VS

Radeon HD 5870

Graphics Card

Jan 2013

Release Date

Sep 2009

Sea Islands

Generation

Evergreen

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

850 MHz

Base Clock

-

925 MHz

Boost Clock

-

1250 MHz

Memory Clock

1200 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

240.0GB/s

Bandwidth

153.6GB/s

Render Config

28

Compute Units

20

-

1792

Shading Units

1600

112

TMUs

80

32

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

768 KB

L2 Cache

512 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

27.20 GPixel/s

103.6 GTexel/s

Texture Rate

68.00 GTexel/s

-

3.315 TFLOPS

FP32 (float)

2.720 TFLOPS

828.8 GFLOPS

FP64 (double)

544.0 GFLOPS

Board Design

200W

TDP

188W

550 W

Suggested PSU

450 W

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

Outputs

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

2x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

Tahiti

GPU Name

Cypress

Tahiti PRO (215-0821056)

GPU Variant

Cypress XT (215-0735033)

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

4.313 billion

Transistors

2.154 billion

352 mm²

Die Size

334 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

5.1

Shader Model

5.0

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