ATI Mobility Radeon HD 4670 vs ATI Mobility Radeon HD 3450

VS

ATI Mobility Radeon HD 4670 ATI Mobility Radeon HD 3450

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 4670 and 256MB VRAM Mobility Radeon HD 3450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4670 's Advantages

Released 1 years late

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (25.60GB/s vs 6.400GB/s)

280 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4670 +980%

0.432 TFLOPS

Mobility Radeon HD 3450

0.04 TFLOPS

Mobility Radeon HD 4670

VS

Mobility Radeon HD 3450

Graphics Card

Jan 2009

Release Date

Jan 2008

M9x

Generation

M8x

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

MXM-II

Clock Speeds

-

Base Clock

-

Boost Clock

-

800 MHz

Memory Clock

400 MHz

Memory

512MB

Memory Size

256MB

GDDR3

Memory Type

DDR2

128bit

Memory Bus

64bit

25.60GB/s

Bandwidth

6.400GB/s

Render Config

-

SM Count

-

4

Compute Units

2

320

Shading Units

40

32

TMUs

4

8

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

64 KB

Theoretical Performance

5.400 GPixel/s

Pixel Rate

2.000 GPixel/s

21.60 GTexel/s

Texture Rate

2.000 GTexel/s

-

FP16 (half)

-

432.0 GFLOPS

FP32 (float)

40.00 GFLOPS

-

FP64 (double)

-

Graphics Processor

M96

GPU Name

M82

M96 XT (216-0729051)

GPU Variant

M82-SCE XT (216-0707011)

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

0.514 billion

Transistors

0.181 billion

146 mm²

Die Size

67 mm²

Board Design

35W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

-

Graphics Features

10.1 (10_1)

DirectX

10.1

3.3

OpenGL

3.3

1.1

OpenCL

N/A

Vulkan

N/A

-

CUDA

-

4.1

Shader Model

4.1

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