ATI Radeon X1950 GT vs AMD Radeon HD 6770

VS

ATI Radeon X1950 GT

AMD Radeon HD 6770

We compared two Desktop platform GPUs: 256MB VRAM Radeon X1950 GT 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 X1950 GT 's Advantages

Lower TDP (57W vs 108W)

AMD Radeon HD 6770 's Advantages

Released 4 years late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (76.80GB/s vs 38.40GB/s)

800 additional rendering cores

Score

Radeon X1950 GT

VS

Radeon HD 6770

Graphics Card

Jan 2007

Release Date

Jan 2011

Radeon R500 PCIe

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

600 MHz

Memory Clock

1200 MHz

Memory

256MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

256bit

Memory Bus

128bit

38.40GB/s

Bandwidth

76.80GB/s

Render Config

-

Compute Units

10

-

Shading Units

800

12

TMUs

40

12

ROPs

16

-

L1 Cache

8 KB (per CU)

-

L2 Cache

256 KB

-

Theoretical Performance

6.000 GPixel/s

Pixel Rate

13.60 GPixel/s

6.000 GTexel/s

Texture Rate

34.00 GTexel/s

-

FP32 (float)

1360 GFLOPS

-

Board Design

57W

TDP

108W

250 W

Suggested PSU

300 W

2x DVI 1x S-Video

Outputs

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

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

RV570

GPU Name

Juniper

RV570 XL

GPU Variant

Juniper XT (215-0754013)

R500

Architecture

TeraScale 2

TSMC

Foundry

TSMC

80 nm

Process Size

40 nm

0.33 billion

Transistors

1.04 billion

230 mm²

Die Size

166 mm²

Graphics Features

9.0c (9_3)

DirectX

11.2 (11_0)

2.1 (full) 3.0 (partial)

OpenGL

4.4

N/A

OpenCL

1.2

N/A

Vulkan

N/A

-

3.0

Shader Model

5.0

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