AMD Radeon HD 8950 OEM vs AMD Radeon HD 6850 1440SP Edition

VS

AMD Radeon HD 8950 OEM

AMD Radeon HD 6850 1440SP Edition

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 8950 OEM and 1024MB VRAM Radeon HD 6850 1440SP Edition 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

More VRAM (3GB vs 1024GB)

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

352 additional rendering cores

AMD Radeon HD 6850 1440SP Edition 's Advantages

Lower TDP (151W vs 200W)

Score

Benchmark

FP32 (float)

Radeon HD 8950 OEM +58%

3.315 TFLOPS

Radeon HD 6850 1440SP Edition

2.088 TFLOPS

Radeon HD 8950 OEM

VS

Radeon HD 6850 1440SP Edition

Graphics Card

Jan 2013

Release Date

Aug 2012

Sea Islands

Generation

Northern Islands

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

1000 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

240.0GB/s

Bandwidth

128.0GB/s

Render Config

28

Compute Units

18

-

1792

Shading Units

1440

112

TMUs

72

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

23.20 GPixel/s

103.6 GTexel/s

Texture Rate

52.20 GTexel/s

-

3.315 TFLOPS

FP32 (float)

2.088 TFLOPS

828.8 GFLOPS

FP64 (double)

417.6 GFLOPS

Board Design

200W

TDP

151W

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 PRO (215-0735043)

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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