ATI Radeon HD 4870 Mac Edition vs ATI Radeon X1950 XTX Uber Edition

VS

ATI Radeon HD 4870 Mac Edition

ATI Radeon X1950 XTX Uber Edition

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4870 Mac Edition 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

ATI Radeon HD 4870 Mac Edition 's Advantages

Released 2 years late

Larger VRAM bandwidth (108.8GB/s vs 67.20GB/s)

800 additional rendering cores

ATI Radeon X1950 XTX Uber Edition 's Advantages

Lower TDP (125W vs 150W)

Score

Radeon HD 4870 Mac Edition

VS

Radeon X1950 XTX Uber Edition

Graphics Card

Jan 2009

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

-

850 MHz

Memory Clock

1050 MHz

Memory

512MB

Memory Size

512MB

GDDR5

Memory Type

GDDR4

256bit

Memory Bus

256bit

108.8GB/s

Bandwidth

67.20GB/s

Render Config

10

Compute Units

-

800

Shading Units

-

40

TMUs

16

ROPs

16

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

10.72 GPixel/s

30.00 GTexel/s

Texture Rate

10.72 GTexel/s

-

1200 GFLOPS

FP32 (float)

-

240.0 GFLOPS

FP64 (double)

-

Board Design

150W

TDP

125W

450 W

Suggested PSU

300 W

1x DVI 1x mini-DisplayPort 1.0

Outputs

1x DVI 1x VHDCI

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

RV770

GPU Name

R580+

RV770 XT Mac (215-0669080)

GPU Variant

R580+ XT (215BAABKA31FG)

TeraScale

Architecture

R500

TSMC

Foundry

TSMC

55 nm

Process Size

90 nm

0.956 billion

Transistors

0.384 billion

256 mm²

Die Size

352 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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