AMD Radeon HD 6770 Green Edition vs ATI Radeon HD 4550

VS

AMD Radeon HD 6770 Green Edition ATI Radeon HD 4550

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6770 Green Edition and 256MB VRAM Radeon HD 4550 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6770 Green Edition 's Advantages

Released 4 years and 7 months late

Larger VRAM bandwidth (21.34GB/s vs 10.48GB/s)

640 additional rendering cores

ATI Radeon HD 4550 's Advantages

Lower TDP (25W vs 86W)

Score

Benchmark

FP32 (float)

Radeon HD 6770 Green Edition +950%

1.008 TFLOPS

Radeon HD 4550

0.096 TFLOPS

Radeon HD 6770 Green Edition

VS

Radeon HD 4550

Graphics Card

Apr 2013

Release Date

Sep 2008

Northern Islands

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

667 MHz

Memory Clock

655 MHz

Memory

2GB

Memory Size

256MB

GDDR3

Memory Type

DDR2

128bit

Memory Bus

64bit

21.34GB/s

Bandwidth

10.48GB/s

Render Config

-

SM Count

-

9

Compute Units

1

720

Shading Units

80

36

TMUs

8

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

64 KB

Theoretical Performance

11.20 GPixel/s

Pixel Rate

2.400 GPixel/s

25.20 GTexel/s

Texture Rate

4.800 GTexel/s

-

FP16 (half)

-

1008 GFLOPS

FP32 (float)

96.00 GFLOPS

-

FP64 (double)

-

Graphics Processor

Juniper

GPU Name

RV710

Juniper LE (215-0754009)

GPU Variant

RV710 (215-0725016)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.04 billion

Transistors

0.242 billion

166 mm²

Die Size

73 mm²

Board Design

86W

TDP

25W

250 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x DisplayPort 1.0

-

Power Connectors

None

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

-

5.0

Shader Model

4.1

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