ATI Mobility Radeon HD 4670 Mac Edition vs NVIDIA GeForce GTX 660M Mac Edition

VS

ATI Mobility Radeon HD 4670 Mac Edition

NVIDIA GeForce GTX 660M Mac Edition

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 4670 Mac Edition and 512MB VRAM GeForce GTX 660M Mac Edition 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 50W)

NVIDIA GeForce GTX 660M Mac Edition 's Advantages

Released 3 years and 7 months late

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (80.00GB/s vs 25.28GB/s)

64 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4670 Mac Edition

0.435 TFLOPS

GeForce GTX 660M Mac Edition +67%

0.73 TFLOPS

Mobility Radeon HD 4670 Mac Edition

VS

GeForce GTX 660M Mac Edition

Graphics Card

Sep 2009

Release Date

Apr 2013

M9x

Generation

GeForce 600M

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

790 MHz

Memory Clock

1250 MHz

Memory

256MB

Memory Size

512MB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

25.28GB/s

Bandwidth

80.00GB/s

Render Config

4

Compute Units

-

320

Shading Units

384

32

TMUs

32

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

5.440 GPixel/s

Pixel Rate

7.600 GPixel/s

21.76 GTexel/s

Texture Rate

30.40 GTexel/s

-

435.2 GFLOPS

FP32 (float)

729.6 GFLOPS

-

FP64 (double)

30.40 GFLOPS

Board Design

35W

TDP

50W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

M96

GPU Name

GK107

M96 XT (216-0729051)

GPU Variant

-

TeraScale

Architecture

Kepler

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.514 billion

Transistors

1.27 billion

146 mm²

Die Size

118 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

4.1

Shader Model

5.1

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