AMD Radeon HD 6770 vs ATI Radeon X550 XT

VS

AMD Radeon HD 6770

ATI Radeon X550 XT

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6770 and 128MB VRAM Radeon X550 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6770 's Advantages

Released 4 years late

More VRAM (1024GB vs 128GB)

Larger VRAM bandwidth (76.80GB/s vs 9.600GB/s)

800 additional rendering cores

Score

Radeon HD 6770

VS

Radeon X550 XT

Graphics Card

Jan 2011

Release Date

Jan 2007

Northern Islands

Generation

Radeon R300

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

300 MHz

Memory

1024MB

Memory Size

128MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

76.80GB/s

Bandwidth

9.600GB/s

Render Config

10

Compute Units

-

800

Shading Units

-

40

TMUs

4

16

ROPs

4

-

8 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

-

Theoretical Performance

13.60 GPixel/s

Pixel Rate

1.600 GPixel/s

34.00 GTexel/s

Texture Rate

1.600 GTexel/s

-

1360 GFLOPS

FP32 (float)

-

Board Design

108W

TDP

Unknown

300 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x VGA 1x S-Video

1x 6-pin

Power Connectors

None

Graphics Processor

Juniper

GPU Name

RV410

Juniper XT (215-0754013)

GPU Variant

-

TeraScale 2

Architecture

R400

TSMC

Foundry

TSMC

40 nm

Process Size

110 nm

1.04 billion

Transistors

0.12 billion

166 mm²

Die Size

156 mm²

Graphics Features

11.2 (11_0)

DirectX

9.0b (9_2)

4.4

OpenGL

2.0

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

-

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