NVIDIA GeForce GT 650M Mac Edition vs AMD Radeon HD 7650M Rebrand

VS

NVIDIA GeForce GT 650M Mac Edition

AMD Radeon HD 7650M Rebrand

We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 650M Mac Edition and 1024MB VRAM Radeon HD 7650M Rebrand 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

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

AMD Radeon HD 7650M Rebrand 's Advantages

More VRAM (1024GB vs 512GB)

96 additional rendering cores

Lower TDP (20W vs 45W)

Score

Benchmark

FP32 (float)

GeForce GT 650M Mac Edition +48%

0.691 TFLOPS

Radeon HD 7650M Rebrand

0.466 TFLOPS

GeForce GT 650M Mac Edition

VS

Radeon HD 7650M Rebrand

Graphics Card

Jul 2012

Release Date

Mar 2012

GeForce 600M

Generation

London

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

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

80.26GB/s

Bandwidth

25.60GB/s

Render Config

-

Compute Units

6

-

384

Shading Units

480

32

TMUs

24

16

ROPs

8

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

7.200 GPixel/s

Pixel Rate

3.880 GPixel/s

28.80 GTexel/s

Texture Rate

11.64 GTexel/s

-

691.2 GFLOPS

FP32 (float)

465.6 GFLOPS

28.80 GFLOPS

FP64 (double)

-

Board Design

45W

TDP

20W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK107

GPU Name

Whistler

N13P-GT-W-A2

GPU Variant

Whistler PRO (216-0810005)

Kepler

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.27 billion

Transistors

0.716 billion

118 mm²

Die Size

104 mm²

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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