NVIDIA GeForce GT 650M Mac Edition vs ATI Mobility Radeon HD 4650

VS

NVIDIA GeForce GT 650M Mac Edition

ATI Mobility Radeon HD 4650

We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 650M Mac Edition and 512MB VRAM Mobility Radeon HD 4650 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 3 years and 6 months late

Larger VRAM bandwidth (80.26GB/s vs 19.20GB/s)

64 additional rendering cores

ATI Mobility Radeon HD 4650 's Advantages

Lower TDP (35W vs 45W)

Score

Benchmark

FP32 (float)

GeForce GT 650M Mac Edition +115%

0.691 TFLOPS

Mobility Radeon HD 4650

0.32 TFLOPS

GeForce GT 650M Mac Edition

VS

Mobility Radeon HD 4650

Graphics Card

Jul 2012

Release Date

Jan 2009

GeForce 600M

Generation

M9x

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1254 MHz

Memory Clock

600 MHz

Memory

512MB

Memory Size

512MB

GDDR5

Memory Type

DDR2

128bit

Memory Bus

128bit

80.26GB/s

Bandwidth

19.20GB/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

7.200 GPixel/s

Pixel Rate

4.000 GPixel/s

28.80 GTexel/s

Texture Rate

16.00 GTexel/s

-

691.2 GFLOPS

FP32 (float)

320.0 GFLOPS

28.80 GFLOPS

FP64 (double)

-

Board Design

45W

TDP

35W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK107

GPU Name

M96

N13P-GT-W-A2

GPU Variant

-

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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