NVIDIA GeForce GT 650M vs AMD Radeon HD 6630M Mac Edition

VS

NVIDIA GeForce GT 650M

AMD Radeon HD 6630M Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 650M and 256MB VRAM Radeon HD 6630M 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 1 years and 2 months late

Boost Clock950MHz

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (28.80GB/s vs 19.20GB/s)

AMD Radeon HD 6630M Mac Edition 's Advantages

96 additional rendering cores

Lower TDP (26W vs 45W)

Score

Benchmark

FP32 (float)

GeForce GT 650M +52%

0.73 TFLOPS

Radeon HD 6630M Mac Edition

0.48 TFLOPS

GeForce GT 650M

VS

Radeon HD 6630M Mac Edition

Graphics Card

Mar 2012

Release Date

Jan 2011

GeForce 600M

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

835 MHz

Base Clock

-

950 MHz

Boost Clock

-

900 MHz

Memory Clock

600 MHz

Memory

1024MB

Memory Size

256MB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

64bit

28.80GB/s

Bandwidth

19.20GB/s

Render Config

-

Compute Units

6

-

384

Shading Units

480

32

TMUs

24

16

ROPs

8

-

16 KB (per SMX)

L1 Cache

-

256 KB

L2 Cache

-

Theoretical Performance

7.600 GPixel/s

Pixel Rate

4.000 GPixel/s

30.40 GTexel/s

Texture Rate

12.00 GTexel/s

-

729.6 GFLOPS

FP32 (float)

480.0 GFLOPS

30.40 GFLOPS

FP64 (double)

-

Board Design

45W

TDP

26W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK107

GPU Name

Whistler

N13P-GT-A2

GPU Variant

Whistler LP

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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