ATI Mobility Radeon HD 4850 X2 vs ATI Mobility Radeon HD 4860

VS

ATI Mobility Radeon HD 4850 X2

ATI Mobility Radeon HD 4860

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 4850 X2 and 1024MB VRAM Mobility Radeon HD 4860 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4850 X2 's Advantages

Larger VRAM bandwidth (89.60GB/s vs 64.00GB/s)

160 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4850 X2

0.8 TFLOPS

Mobility Radeon HD 4860 +4%

0.832 TFLOPS

Mobility Radeon HD 4850 X2

VS

Mobility Radeon HD 4860

Graphics Card

Jan 2009

Release Date

Mar 2009

M9x

Generation

M9x

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

700 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

89.60GB/s

Bandwidth

64.00GB/s

Render Config

10

Compute Units

8

-

800

Shading Units

640

40

TMUs

32

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

8.000 GPixel/s

Pixel Rate

10.40 GPixel/s

20.00 GTexel/s

Texture Rate

20.80 GTexel/s

-

800.0 GFLOPS

FP32 (float)

832.0 GFLOPS

160.0 GFLOPS

FP64 (double)

166.4 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

M98

GPU Name

M97

M98 L2 (216-0732019)

GPU Variant

M97 M2 XT (216-0731000)

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.956 billion

Transistors

0.826 billion

256 mm²

Die Size

137 mm²

Graphics Features

10.1 (10_1)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

-

4.1

Shader Model

4.1

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