NVIDIA GeForce GTX 680M vs AMD Radeon HD 6630M Mac Edition

VS

NVIDIA GeForce GTX 680M

AMD Radeon HD 6630M Mac Edition

We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 680M 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 GTX 680M 's Advantages

Released 1 years and 5 months late

Boost Clock758MHz

More VRAM (4GB vs 256GB)

Larger VRAM bandwidth (115.2GB/s vs 19.20GB/s)

864 additional rendering cores

AMD Radeon HD 6630M Mac Edition 's Advantages

Lower TDP (26W vs 100W)

Score

Benchmark

FP32 (float)

GeForce GTX 680M +324%

2.038 TFLOPS

Radeon HD 6630M Mac Edition

0.48 TFLOPS

GeForce GTX 680M

VS

Radeon HD 6630M Mac Edition

Graphics Card

Jun 2012

Release Date

Jan 2011

GeForce 600M

Generation

Vancouver

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

719 MHz

Base Clock

-

758 MHz

Boost Clock

-

900 MHz

Memory Clock

600 MHz

Memory

4GB

Memory Size

256MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

64bit

115.2GB/s

Bandwidth

19.20GB/s

Render Config

-

Compute Units

6

-

1344

Shading Units

480

112

TMUs

24

32

ROPs

8

-

16 KB (per SMX)

L1 Cache

-

512 KB

L2 Cache

-

Theoretical Performance

21.22 GPixel/s

Pixel Rate

4.000 GPixel/s

84.90 GTexel/s

Texture Rate

12.00 GTexel/s

-

2.038 TFLOPS

FP32 (float)

480.0 GFLOPS

84.90 GFLOPS

FP64 (double)

-

Board Design

100W

TDP

26W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GK104

GPU Name

Whistler

N13E-GTX-A2

GPU Variant

Whistler LP

Kepler

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

3.54 billion

Transistors

0.716 billion

294 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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