AMD Radeon HD 6770 vs ATI Radeon X800 GTO

VS

AMD Radeon HD 6770

ATI Radeon X800 GTO

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6770 and 128MB VRAM Radeon X800 GTO to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6770 's Advantages

Released 3 years and 1 months late

More VRAM (1024GB vs 128GB)

Larger VRAM bandwidth (76.80GB/s vs 22.40GB/s)

800 additional rendering cores

ATI Radeon X800 GTO 's Advantages

Lower TDP (49W vs 108W)

Score

Radeon HD 6770

VS

Radeon X800 GTO

Graphics Card

Jan 2011

Release Date

Dec 2007

Northern Islands

Generation

Radeon R400 PCIe

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

350 MHz

Memory

1024MB

Memory Size

128MB

GDDR5

Memory Type

DDR

128bit

Memory Bus

256bit

76.80GB/s

Bandwidth

22.40GB/s

Render Config

10

Compute Units

-

800

Shading Units

-

40

TMUs

12

16

ROPs

12

-

8 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

-

Theoretical Performance

13.60 GPixel/s

Pixel Rate

4.800 GPixel/s

34.00 GTexel/s

Texture Rate

4.800 GTexel/s

-

1360 GFLOPS

FP32 (float)

-

Board Design

108W

TDP

49W

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

-

Graphics Processor

Juniper

GPU Name

R423

Juniper XT (215-0754013)

GPU Variant

R423 GTO

TeraScale 2

Architecture

R400

TSMC

Foundry

TSMC

40 nm

Process Size

130 nm

1.04 billion

Transistors

0.16 billion

166 mm²

Die Size

289 mm²

Graphics Features

11.2 (11_0)

DirectX

9.0b (9_2)

4.4

OpenGL

2.1

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

-

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