NVIDIA GeForce GTX 660M Mac Edition vs ATI Mobility Radeon HD 5670 Mac Edition

VS

NVIDIA GeForce GTX 660M Mac Edition ATI Mobility Radeon HD 5670 Mac Edition

We compared two Mobile platform GPUs: 512MB VRAM GeForce GTX 660M Mac Edition and 512MB VRAM Mobility Radeon HD 5670 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660M Mac Edition 's Advantages

Released 3 years late

Larger VRAM bandwidth (80.00GB/s vs 25.44GB/s)

ATI Mobility Radeon HD 5670 Mac Edition 's Advantages

16 additional rendering cores

Lower TDP (15W vs 50W)

Score

Benchmark

FP32 (float)

GeForce GTX 660M Mac Edition +40%

0.73 TFLOPS

Mobility Radeon HD 5670 Mac Edition

0.52 TFLOPS

GeForce GTX 660M Mac Edition

VS

Mobility Radeon HD 5670 Mac Edition

Graphics Card

Apr 2013

Release Date

Apr 2010

GeForce 600M

Generation

Manhattan

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1250 MHz

Memory Clock

795 MHz

Memory

512MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

80.00GB/s

Bandwidth

25.44GB/s

Render Config

-

SM Count

-

Compute Units

5

384

Shading Units

400

32

TMUs

20

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

Theoretical Performance

7.600 GPixel/s

Pixel Rate

5.200 GPixel/s

30.40 GTexel/s

Texture Rate

13.00 GTexel/s

-

FP16 (half)

-

729.6 GFLOPS

FP32 (float)

520.0 GFLOPS

30.40 GFLOPS

FP64 (double)

-

Graphics Processor

GK107

GPU Name

Madison

-

GPU Variant

Madison XT (216-0772003)

Kepler

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.27 billion

Transistors

0.627 billion

118 mm²

Die Size

104 mm²

Board Design

50W

TDP

15W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

5.0

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