ATI Mobility Radeon HD 4670 Mac Edition vs NVIDIA GeForce GTX 675M

VS

ATI Mobility Radeon HD 4670 Mac Edition

NVIDIA GeForce GTX 675M

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 4670 Mac Edition and 2GB VRAM GeForce GTX 675M 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

Lower TDP (35W vs 100W)

NVIDIA GeForce GTX 675M 's Advantages

Released 2 years and 6 months late

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (96.00GB/s vs 25.28GB/s)

64 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4670 Mac Edition

0.435 TFLOPS

GeForce GTX 675M +118%

0.952 TFLOPS

Mobility Radeon HD 4670 Mac Edition

VS

GeForce GTX 675M

Graphics Card

Sep 2009

Release Date

Mar 2012

M9x

Generation

GeForce 600M

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

790 MHz

Memory Clock

750 MHz

Memory

256MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

25.28GB/s

Bandwidth

96.00GB/s

Render Config

4

Compute Units

-

SM Count

8

320

Shading Units

384

32

TMUs

64

8

ROPs

32

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

5.440 GPixel/s

Pixel Rate

9.920 GPixel/s

21.76 GTexel/s

Texture Rate

39.68 GTexel/s

-

435.2 GFLOPS

FP32 (float)

952.3 GFLOPS

-

FP64 (double)

79.36 GFLOPS

Board Design

35W

TDP

100W

-

No outputs

Outputs

No outputs

-

Graphics Processor

M96

GPU Name

GF114

M96 XT (216-0729051)

GPU Variant

N13E-GS1-A1

TeraScale

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.514 billion

Transistors

1.95 billion

146 mm²

Die Size

332 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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