ATI Mobility Radeon HD 3450 vs ATI Mobility Radeon HD 4650

VS

ATI Mobility Radeon HD 3450

ATI Mobility Radeon HD 4650

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 3450 and 512MB VRAM Mobility Radeon HD 4650 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4650 's Advantages

Released 1 years late

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (19.20GB/s vs 6.400GB/s)

280 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 3450

0.04 TFLOPS

Mobility Radeon HD 4650 +700%

0.32 TFLOPS

Mobility Radeon HD 3450

VS

Mobility Radeon HD 4650

Graphics Card

Jan 2008

Release Date

Jan 2009

M8x

Generation

M9x

Mobile

Type

Mobile

MXM-II

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

400 MHz

Memory Clock

600 MHz

Memory

256MB

Memory Size

512MB

DDR2

Memory Type

DDR2

64bit

Memory Bus

128bit

6.400GB/s

Bandwidth

19.20GB/s

Render Config

2

Compute Units

4

-

40

Shading Units

320

4

TMUs

32

4

ROPs

8

-

L1 Cache

16 KB (per CU)

64 KB

L2 Cache

128 KB

-

Theoretical Performance

2.000 GPixel/s

Pixel Rate

4.000 GPixel/s

2.000 GTexel/s

Texture Rate

16.00 GTexel/s

-

40.00 GFLOPS

FP32 (float)

320.0 GFLOPS

-

Board Design

Unknown

TDP

35W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

M82

GPU Name

M96

M82-SCE XT (216-0707011)

GPU Variant

-

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

0.181 billion

Transistors

0.514 billion

67 mm²

Die Size

146 mm²

Graphics Features

10.1

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

N/A

OpenCL

1.1

N/A

Vulkan

N/A

-

4.1

Shader Model

4.1

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