NVIDIA GeForce GT 650M Mac Edition vs ATI Mobility Radeon HD 3670

VS

NVIDIA GeForce GT 650M Mac Edition

ATI Mobility Radeon HD 3670

We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 650M Mac Edition and 256MB VRAM Mobility Radeon HD 3670 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 650M Mac Edition 's Advantages

Released 4 years and 6 months late

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (80.26GB/s vs 25.60GB/s)

264 additional rendering cores

ATI Mobility Radeon HD 3670 's Advantages

Lower TDP (30W vs 45W)

Score

Benchmark

FP32 (float)

GeForce GT 650M Mac Edition +323%

0.691 TFLOPS

Mobility Radeon HD 3670

0.163 TFLOPS

GeForce GT 650M Mac Edition

VS

Mobility Radeon HD 3670

Graphics Card

Jul 2012

Release Date

Jan 2008

GeForce 600M

Generation

M8x

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1254 MHz

Memory Clock

800 MHz

Memory

512MB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

80.26GB/s

Bandwidth

25.60GB/s

Render Config

-

Compute Units

3

-

384

Shading Units

120

32

TMUs

8

16

ROPs

4

-

16 KB (per SMX)

L1 Cache

-

256 KB

L2 Cache

128 KB

-

Theoretical Performance

7.200 GPixel/s

Pixel Rate

2.720 GPixel/s

28.80 GTexel/s

Texture Rate

5.440 GTexel/s

-

691.2 GFLOPS

FP32 (float)

163.2 GFLOPS

28.80 GFLOPS

FP64 (double)

-

Board Design

45W

TDP

30W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK107

GPU Name

M86

N13P-GT-W-A2

GPU Variant

-

Kepler

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

1.27 billion

Transistors

0.378 billion

118 mm²

Die Size

135 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

N/A

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

4.1

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