NVIDIA GeForce GT 650M vs ATI Mobility Radeon HD 4670 Mac Edition

VS

NVIDIA GeForce GT 650M

ATI Mobility Radeon HD 4670 Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 650M and 256MB VRAM Mobility Radeon HD 4670 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 650M 's Advantages

Released 2 years and 6 months late

Boost Clock950MHz

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (28.80GB/s vs 25.28GB/s)

64 additional rendering cores

ATI Mobility Radeon HD 4670 Mac Edition 's Advantages

Lower TDP (35W vs 45W)

Score

Benchmark

FP32 (float)

GeForce GT 650M +67%

0.73 TFLOPS

Mobility Radeon HD 4670 Mac Edition

0.435 TFLOPS

GeForce GT 650M

VS

Mobility Radeon HD 4670 Mac Edition

Graphics Card

Mar 2012

Release Date

Sep 2009

GeForce 600M

Generation

M9x

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

835 MHz

Base Clock

-

950 MHz

Boost Clock

-

900 MHz

Memory Clock

790 MHz

Memory

1024MB

Memory Size

256MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

25.28GB/s

Render Config

-

Compute Units

4

-

384

Shading Units

320

32

TMUs

32

16

ROPs

8

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

7.600 GPixel/s

Pixel Rate

5.440 GPixel/s

30.40 GTexel/s

Texture Rate

21.76 GTexel/s

-

729.6 GFLOPS

FP32 (float)

435.2 GFLOPS

30.40 GFLOPS

FP64 (double)

-

Board Design

45W

TDP

35W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK107

GPU Name

M96

N13P-GT-A2

GPU Variant

M96 XT (216-0729051)

Kepler

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

1.27 billion

Transistors

0.514 billion

118 mm²

Die Size

146 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

4.1

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