AMD Radeon HD 6850 X2 vs ATI Radeon X1950 PRO DUAL

VS

AMD Radeon HD 6850 X2

ATI Radeon X1950 PRO DUAL

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6850 X2 and 512MB VRAM Radeon X1950 PRO DUAL to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6850 X2 's Advantages

Released 4 years and 8 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (134.4GB/s vs 44.16GB/s)

960 additional rendering cores

ATI Radeon X1950 PRO DUAL 's Advantages

Lower TDP (130W vs 254W)

Score

Radeon HD 6850 X2

VS

Radeon X1950 PRO DUAL

Graphics Card

Sep 2011

Release Date

Jan 2007

Northern Islands

Generation

Radeon R500 PCIe

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1050 MHz

Memory Clock

690 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

134.4GB/s

Bandwidth

44.16GB/s

Render Config

12

Compute Units

-

960

Shading Units

-

48

TMUs

12

32

ROPs

12

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

6.900 GPixel/s

38.40 GTexel/s

Texture Rate

6.900 GTexel/s

-

1.536 TFLOPS

FP32 (float)

-

Board Design

254W

TDP

130W

600 W

Suggested PSU

300 W

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

Outputs

2x DVI 1x S-Video

2x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Barts

GPU Name

RV570

Barts PRO (215-0798006)

GPU Variant

RV570 XT (215PADAKA12FG)

TeraScale 2

Architecture

R500

TSMC

Foundry

TSMC

40 nm

Process Size

80 nm

1.7 billion

Transistors

0.33 billion

255 mm²

Die Size

230 mm²

Graphics Features

11.2 (11_0)

DirectX

9.0c (9_3)

4.4

OpenGL

2.1 (full) 3.0 (partial)

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

3.0

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