ATI Radeon HD 3550 vs AMD Radeon HD 6770

VS

ATI Radeon HD 3550

AMD Radeon HD 6770

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3550 and 1024MB VRAM Radeon HD 6770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3550 's Advantages

Lower TDP (30W vs 108W)

AMD Radeon HD 6770 's Advantages

Released 2 years and 5 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (76.80GB/s vs 6.336GB/s)

760 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3550

0.048 TFLOPS

Radeon HD 6770 +2733%

1.36 TFLOPS

Radeon HD 3550

VS

Radeon HD 6770

Graphics Card

Aug 2008

Release Date

Jan 2011

Radeon R600

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

396 MHz

Memory Clock

1200 MHz

Memory

512MB

Memory Size

1024MB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

128bit

6.336GB/s

Bandwidth

76.80GB/s

Render Config

2

Compute Units

10

-

40

Shading Units

800

4

TMUs

40

4

ROPs

16

-

L1 Cache

8 KB (per CU)

64 KB

L2 Cache

256 KB

-

Theoretical Performance

2.376 GPixel/s

Pixel Rate

13.60 GPixel/s

2.376 GTexel/s

Texture Rate

34.00 GTexel/s

-

47.52 GFLOPS

FP32 (float)

1360 GFLOPS

-

Board Design

30W

TDP

108W

200 W

Suggested PSU

300 W

2x DisplayPort

Outputs

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

None

Power Connectors

1x 6-pin

Graphics Processor

RV620

GPU Name

Juniper

RV620 PRO (215-0670006)

GPU Variant

Juniper XT (215-0754013)

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.181 billion

Transistors

1.04 billion

67 mm²

Die Size

166 mm²

Graphics Features

10.1 (10_1)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

N/A

OpenCL

1.2

N/A

Vulkan

N/A

-

4.1

Shader Model

5.0

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