ATI Mobility Radeon HD 4650 vs ATI Mobility Radeon HD 4860

VS

ATI Mobility Radeon HD 4650

ATI Mobility Radeon HD 4860

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 4650 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 4860 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (64.00GB/s vs 19.20GB/s)

320 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4650

0.32 TFLOPS

Mobility Radeon HD 4860 +160%

0.832 TFLOPS

Mobility Radeon HD 4650

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

-

600 MHz

Memory Clock

1000 MHz

Memory

512MB

Memory Size

1024MB

DDR2

Memory Type

GDDR5

128bit

Memory Bus

128bit

19.20GB/s

Bandwidth

64.00GB/s

Render Config

4

Compute Units

8

-

320

Shading Units

640

32

TMUs

32

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

128 KB

-

Theoretical Performance

4.000 GPixel/s

Pixel Rate

10.40 GPixel/s

16.00 GTexel/s

Texture Rate

20.80 GTexel/s

-

320.0 GFLOPS

FP32 (float)

832.0 GFLOPS

-

FP64 (double)

166.4 GFLOPS

Board Design

35W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

M96

GPU Name

M97

-

GPU Variant

M97 M2 XT (216-0731000)

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.514 billion

Transistors

0.826 billion

146 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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