ATI Mobility Radeon HD 4670 Mac Edition vs NVIDIA GeForce GT 425M

VS

ATI Mobility Radeon HD 4670 Mac Edition

NVIDIA GeForce GT 425M

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 4670 Mac Edition and 1024MB VRAM GeForce GT 425M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4670 Mac Edition 's Advantages

224 additional rendering cores

NVIDIA GeForce GT 425M 's Advantages

Released 1 years late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (25.60GB/s vs 25.28GB/s)

Lower TDP (23W vs 35W)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4670 Mac Edition +102%

0.435 TFLOPS

GeForce GT 425M

0.215 TFLOPS

Mobility Radeon HD 4670 Mac Edition

VS

GeForce GT 425M

Graphics Card

Sep 2009

Release Date

Sep 2010

M9x

Generation

GeForce 400M

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

790 MHz

Memory Clock

800 MHz

Memory

256MB

Memory Size

1024MB

GDDR3

Memory Type

DDR3

128bit

Memory Bus

128bit

25.28GB/s

Bandwidth

25.60GB/s

Render Config

4

Compute Units

-

SM Count

2

320

Shading Units

96

32

TMUs

16

8

ROPs

4

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

5.440 GPixel/s

Pixel Rate

2.240 GPixel/s

21.76 GTexel/s

Texture Rate

8.960 GTexel/s

-

435.2 GFLOPS

FP32 (float)

215.0 GFLOPS

-

FP64 (double)

17.92 GFLOPS

Board Design

35W

TDP

23W

-

No outputs

Outputs

No outputs

-

Graphics Processor

M96

GPU Name

GF108

M96 XT (216-0729051)

GPU Variant

N11P-GS-A1

TeraScale

Architecture

Fermi

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.514 billion

Transistors

0.585 billion

146 mm²

Die Size

116 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

4.1

Shader Model

5.1

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