AMD Radeon HD 8950 OEM vs AMD Radeon HD 8550 OEM

VS

AMD Radeon HD 8950 OEM

AMD Radeon HD 8550 OEM

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 8950 OEM and 1024MB VRAM Radeon HD 8550 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

Boost Clock925MHz

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (240.0GB/s vs 25.60GB/s)

1312 additional rendering cores

AMD Radeon HD 8550 OEM 's Advantages

Released 9 months late

Lower TDP (60W vs 200W)

Score

Benchmark

FP32 (float)

Radeon HD 8950 OEM +431%

3.315 TFLOPS

Radeon HD 8550 OEM

0.624 TFLOPS

Radeon HD 8950 OEM

VS

Radeon HD 8550 OEM

Graphics Card

Jan 2013

Release Date

Oct 2013

Sea Islands

Generation

Sea 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

800 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

128bit

240.0GB/s

Bandwidth

25.60GB/s

Render Config

28

Compute Units

6

-

1792

Shading Units

480

112

TMUs

24

32

ROPs

8

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

768 KB

L2 Cache

256 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

5.200 GPixel/s

103.6 GTexel/s

Texture Rate

15.60 GTexel/s

-

3.315 TFLOPS

FP32 (float)

624.0 GFLOPS

828.8 GFLOPS

FP64 (double)

-

Board Design

200W

TDP

60W

550 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 6-pin

Power Connectors

None

Graphics Processor

Tahiti

GPU Name

Turks

Tahiti PRO (215-0821056)

GPU Variant

Turks PRO (215-0803002)

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

4.313 billion

Transistors

0.716 billion

352 mm²

Die Size

118 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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