ATI Mobility Radeon HD 3450 vs AMD Radeon HD 7670M

VS

ATI Mobility Radeon HD 3450

AMD Radeon HD 7670M

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 3450 and 1024MB VRAM Radeon HD 7670M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7670M 's Advantages

Released 4 years and 1 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (28.80GB/s vs 6.400GB/s)

440 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 3450

0.04 TFLOPS

Radeon HD 7670M +1340%

0.576 TFLOPS

Mobility Radeon HD 3450

VS

Radeon HD 7670M

Graphics Card

Jan 2008

Release Date

Feb 2012

M8x

Generation

London

Mobile

Type

Mobile

MXM-II

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

400 MHz

Memory Clock

900 MHz

Memory

256MB

Memory Size

1024MB

DDR2

Memory Type

DDR3

64bit

Memory Bus

128bit

6.400GB/s

Bandwidth

28.80GB/s

Render Config

2

Compute Units

6

-

40

Shading Units

480

4

TMUs

24

4

ROPs

16

-

L1 Cache

8 KB (per CU)

64 KB

L2 Cache

256 KB

-

Theoretical Performance

2.000 GPixel/s

Pixel Rate

9.600 GPixel/s

2.000 GTexel/s

Texture Rate

14.40 GTexel/s

-

40.00 GFLOPS

FP32 (float)

576.0 GFLOPS

-

Board Design

Unknown

TDP

20W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

M82

GPU Name

Thames

M82-SCE XT (216-0707011)

GPU Variant

Thames XT (216-0833000)

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.181 billion

Transistors

0.716 billion

67 mm²

Die Size

104 mm²

Graphics Features

10.1

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

N/A

OpenCL

1.2

N/A

Vulkan

N/A

-

4.1

Shader Model

5.0

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