ATI Mobility Radeon HD 4670 vs ATI Mobility Radeon HD 5145

VS

ATI Mobility Radeon HD 4670

ATI Mobility Radeon HD 5145

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 4670 and 1024MB VRAM Mobility Radeon HD 5145 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4670 's Advantages

Larger VRAM bandwidth (25.60GB/s vs 14.40GB/s)

240 additional rendering cores

ATI Mobility Radeon HD 5145 's Advantages

Released 1 years late

More VRAM (1024GB vs 512GB)

Lower TDP (15W vs 35W)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4670 +275%

0.432 TFLOPS

Mobility Radeon HD 5145

0.115 TFLOPS

Mobility Radeon HD 4670

VS

Mobility Radeon HD 5145

Graphics Card

Jan 2009

Release Date

Jan 2010

M9x

Generation

M9x

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR3

128bit

Memory Bus

64bit

25.60GB/s

Bandwidth

14.40GB/s

Render Config

4

Compute Units

1

-

320

Shading Units

80

32

TMUs

8

ROPs

4

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

64 KB

-

Theoretical Performance

5.400 GPixel/s

Pixel Rate

2.880 GPixel/s

21.60 GTexel/s

Texture Rate

5.760 GTexel/s

-

432.0 GFLOPS

FP32 (float)

115.2 GFLOPS

-

Board Design

35W

TDP

15W

-

No outputs

Outputs

No outputs

-

Graphics Processor

M96

GPU Name

M92

M96 XT (216-0729051)

GPU Variant

-

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

0.514 billion

Transistors

0.242 billion

146 mm²

Die Size

73 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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