AMD Radeon HD 8550 OEM vs AMD Radeon HD 6770 Green Edition

VS

AMD Radeon HD 8550 OEM

AMD Radeon HD 6770 Green Edition

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 8550 OEM and 2GB VRAM Radeon HD 6770 Green Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8550 OEM 's Advantages

Released 6 months late

Larger VRAM bandwidth (25.60GB/s vs 21.34GB/s)

Lower TDP (60W vs 86W)

AMD Radeon HD 6770 Green Edition 's Advantages

More VRAM (2GB vs 1024GB)

240 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8550 OEM

0.624 TFLOPS

Radeon HD 6770 Green Edition +61%

1.008 TFLOPS

Radeon HD 8550 OEM

VS

Radeon HD 6770 Green Edition

Graphics Card

Oct 2013

Release Date

Apr 2013

Sea Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

667 MHz

Memory

1024MB

Memory Size

2GB

GDDR3

Memory Type

GDDR3

128bit

Memory Bus

128bit

25.60GB/s

Bandwidth

21.34GB/s

Render Config

6

Compute Units

9

-

480

Shading Units

720

24

TMUs

36

8

ROPs

16

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

5.200 GPixel/s

Pixel Rate

11.20 GPixel/s

15.60 GTexel/s

Texture Rate

25.20 GTexel/s

-

624.0 GFLOPS

FP32 (float)

1008 GFLOPS

-

Board Design

60W

TDP

86W

250 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

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

None

Power Connectors

-

Graphics Processor

Turks

GPU Name

Juniper

Turks PRO (215-0803002)

GPU Variant

Juniper LE (215-0754009)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.716 billion

Transistors

1.04 billion

118 mm²

Die Size

166 mm²

Graphics Features

11.2 (11_0)

DirectX

11.2 (11_0)

4.4

OpenGL

4.4

1.2

OpenCL

1.2

N/A

Vulkan

N/A

-

5.0

Shader Model

5.0

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