ATI Mobility Radeon HD 2600 XT vs ATI Mobility Radeon HD 4830

VS

ATI Mobility Radeon HD 2600 XT

ATI Mobility Radeon HD 4830

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 2600 XT and 1024MB VRAM Mobility Radeon HD 4830 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4830 's Advantages

Released 1 years and 10 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (25.60GB/s vs 24.00GB/s)

520 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 2600 XT

0.163 TFLOPS

Mobility Radeon HD 4830 +292%

0.64 TFLOPS

Mobility Radeon HD 2600 XT

VS

Mobility Radeon HD 4830

Graphics Card

May 2007

Release Date

Mar 2009

M7x

Generation

M9x

Mobile

Type

Mobile

MXM-II

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

750 MHz

Memory Clock

800 MHz

Memory

256MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR3

128bit

Memory Bus

128bit

24.00GB/s

Bandwidth

25.60GB/s

Render Config

3

Compute Units

8

-

120

Shading Units

640

8

TMUs

32

4

ROPs

16

-

L1 Cache

16 KB (per CU)

64 KB

L2 Cache

128 KB

-

Theoretical Performance

2.720 GPixel/s

Pixel Rate

8.000 GPixel/s

5.440 GTexel/s

Texture Rate

16.00 GTexel/s

-

163.2 GFLOPS

FP32 (float)

640.0 GFLOPS

-

FP64 (double)

128.0 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Graphics Processor

M76

GPU Name

M97

M76 XT-M (216XJBKA13FG)

GPU Variant

M97 M2 (216-0731004)

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

65 nm

Process Size

40 nm

0.39 billion

Transistors

0.826 billion

153 mm²

Die Size

137 mm²

Graphics Features

10.0 (10_0)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

N/A

OpenCL

1.1

N/A

Vulkan

N/A

-

4.0

Shader Model

4.1

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