AMD Radeon HD 6850 X2 vs ATI Radeon X1950 XTX Uber Edition

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AMD Radeon HD 6850 X2 ATI Radeon X1950 XTX Uber Edition

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6850 X2 and 512MB VRAM Radeon X1950 XTX Uber Edition 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

Larger VRAM bandwidth (134.4GB/s vs 67.20GB/s)

960 additional rendering cores

ATI Radeon X1950 XTX Uber Edition 's Advantages

Lower TDP (125W vs 254W)

Score

Radeon HD 6850 X2

VS

Radeon X1950 XTX Uber Edition

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

-

Base Clock

-

Boost Clock

-

1050 MHz

Memory Clock

1050 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR4

256bit

Memory Bus

256bit

134.4GB/s

Bandwidth

67.20GB/s

Render Config

-

SM Count

-

12

Compute Units

-

960

Shading Units

-

48

TMUs

16

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

10.72 GPixel/s

38.40 GTexel/s

Texture Rate

10.72 GTexel/s

-

FP16 (half)

-

1.536 TFLOPS

FP32 (float)

-

FP64 (double)

-

Graphics Processor

Barts

GPU Name

R580+

Barts PRO (215-0798006)

GPU Variant

R580+ XT (215BAABKA31FG)

TeraScale 2

Architecture

R500

TSMC

Foundry

TSMC

40 nm

Process Size

90 nm

1.7 billion

Transistors

0.384 billion

255 mm²

Die Size

352 mm²

Board Design

254W

TDP

125W

600 W

Suggested PSU

300 W

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

Outputs

1x DVI 1x VHDCI

2x 8-pin

Power Connectors

1x 6-pin

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

-

CUDA

-

5.0

Shader Model

3.0

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