ATI Radeon HD 5550 vs AMD Radeon HD 6770

VS

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 5550 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 5550 's Advantages

Lower TDP (39W vs 108W)

AMD Radeon HD 6770 's Advantages

Released 11 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (76.80GB/s vs 51.20GB/s)

480 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 5550

0.352 TFLOPS

Radeon HD 6770 +286%

1.36 TFLOPS

Radeon HD 5550

VS

Radeon HD 6770

Graphics Card

Feb 2010

Release Date

Jan 2011

Evergreen

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

800 MHz

Memory Clock

1200 MHz

Memory

512MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

51.20GB/s

Bandwidth

76.80GB/s

Render Config

-

SM Count

-

4

Compute Units

10

320

Shading Units

800

16

TMUs

40

8

ROPs

16

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

Theoretical Performance

4.400 GPixel/s

Pixel Rate

13.60 GPixel/s

8.800 GTexel/s

Texture Rate

34.00 GTexel/s

-

FP16 (half)

-

352.0 GFLOPS

FP32 (float)

1360 GFLOPS

-

FP64 (double)

-

Graphics Processor

Redwood

GPU Name

Juniper

Redwood PRO2

GPU Variant

Juniper XT (215-0754013)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.627 billion

Transistors

1.04 billion

104 mm²

Die Size

166 mm²

Board Design

39W

TDP

108W

200 W

Suggested PSU

300 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

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

None

Power Connectors

1x 6-pin

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

-

CUDA

-

5.0

Shader Model

5.0

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