AMD Radeon HD 7470M vs NVIDIA GeForce GTX 660M Mac Edition

VS

AMD Radeon HD 7470M

NVIDIA GeForce GTX 660M Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 7470M 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

AMD Radeon HD 7470M 's Advantages

Boost Clock800MHz

More VRAM (1024GB vs 512GB)

Lower TDP (25W vs 50W)

NVIDIA GeForce GTX 660M Mac Edition 's Advantages

Released 1 years and 3 months late

Larger VRAM bandwidth (80.00GB/s vs 14.40GB/s)

224 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7470M

0.256 TFLOPS

GeForce GTX 660M Mac Edition +185%

0.73 TFLOPS

Radeon HD 7470M

VS

GeForce GTX 660M Mac Edition

Graphics Card

Jan 2012

Release Date

Apr 2013

London

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

750 MHz

Base Clock

-

800 MHz

Boost Clock

-

900 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

512MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

80.00GB/s

Render Config

2

Compute Units

-

160

Shading Units

384

8

TMUs

32

4

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

3.200 GPixel/s

Pixel Rate

7.600 GPixel/s

6.400 GTexel/s

Texture Rate

30.40 GTexel/s

-

256.0 GFLOPS

FP32 (float)

729.6 GFLOPS

-

FP64 (double)

30.40 GFLOPS

Board Design

25W

TDP

50W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Seymour

GPU Name

GK107

Seymour XT (216-0810084)

GPU Variant

-

TeraScale 2

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.37 billion

Transistors

1.27 billion

67 mm²

Die Size

118 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

5.0

Shader Model

5.1

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