ATI Mobility Radeon HD 4860 vs ATI Mobility Radeon HD 2600 XT Mac Edition

VS

ATI Mobility Radeon HD 4860

ATI Mobility Radeon HD 2600 XT Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 4860 and 256MB VRAM Mobility Radeon HD 2600 XT Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4860 's Advantages

Released 1 years and 8 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (64.00GB/s vs 21.92GB/s)

520 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4860 +477%

0.832 TFLOPS

Mobility Radeon HD 2600 XT Mac Edition

0.144 TFLOPS

Mobility Radeon HD 4860

VS

Mobility Radeon HD 2600 XT Mac Edition

Graphics Card

Mar 2009

Release Date

Jul 2007

M9x

Generation

M7x

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-II

Clock Speeds

-

1000 MHz

Memory Clock

685 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

21.92GB/s

Render Config

8

Compute Units

3

-

640

Shading Units

120

32

TMUs

8

16

ROPs

4

-

16 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

64 KB

-

Theoretical Performance

10.40 GPixel/s

Pixel Rate

2.400 GPixel/s

20.80 GTexel/s

Texture Rate

4.800 GTexel/s

-

832.0 GFLOPS

FP32 (float)

144.0 GFLOPS

166.4 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

M97

GPU Name

M76

M97 M2 XT (216-0731000)

GPU Variant

M76 XT-M (216XJBKA13FG)

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

65 nm

0.826 billion

Transistors

0.39 billion

137 mm²

Die Size

153 mm²

Graphics Features

10.1 (10_1)

DirectX

10.0 (10_0)

3.3

OpenGL

3.3

1.1

OpenCL

N/A

Vulkan

N/A

-

4.1

Shader Model

4.0

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