ATI Radeon HD 4870 X2 vs ATI Radeon X1950 PRO DUAL

VS

ATI Radeon HD 4870 X2

ATI Radeon X1950 PRO DUAL

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 4870 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

ATI Radeon HD 4870 X2 's Advantages

Released 1 years and 7 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (115.2GB/s vs 44.16GB/s)

800 additional rendering cores

ATI Radeon X1950 PRO DUAL 's Advantages

Lower TDP (130W vs 286W)

Score

Radeon HD 4870 X2

VS

Radeon X1950 PRO DUAL

Graphics Card

Aug 2008

Release Date

Jan 2007

Radeon R700

Generation

Radeon R500 PCIe

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

900 MHz

Memory Clock

690 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

115.2GB/s

Bandwidth

44.16GB/s

Render Config

10

Compute Units

-

800

Shading Units

-

40

TMUs

12

16

ROPs

12

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

6.900 GPixel/s

30.00 GTexel/s

Texture Rate

6.900 GTexel/s

-

1200 GFLOPS

FP32 (float)

-

240.0 GFLOPS

FP64 (double)

-

Board Design

286W

TDP

130W

600 W

Suggested PSU

300 W

2x DVI 1x S-Video

Outputs

2x DVI 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

R700

GPU Name

RV570

R700 XT (215-0669045)

GPU Variant

RV570 XT (215PADAKA12FG)

TeraScale

Architecture

R500

TSMC

Foundry

TSMC

55 nm

Process Size

80 nm

0.956 billion

Transistors

0.33 billion

256 mm²

Die Size

230 mm²

Graphics Features

10.1 (10_1)

DirectX

9.0c (9_3)

3.3

OpenGL

2.1 (full) 3.0 (partial)

1.1

OpenCL

N/A

Vulkan

N/A

-

4.1

Shader Model

3.0

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