AMD Radeon HD 6630M Mac Edition vs NVIDIA GeForce GT 640M Mac Edition

VS

AMD Radeon HD 6630M Mac Edition

NVIDIA GeForce GT 640M Mac Edition

We compared two Mobile platform GPUs: 256MB VRAM Radeon HD 6630M Mac Edition and 512MB VRAM GeForce GT 640M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6630M Mac Edition 's Advantages

96 additional rendering cores

Lower TDP (26W vs 32W)

NVIDIA GeForce GT 640M Mac Edition 's Advantages

Released 2 years and 1 months late

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (40.00GB/s vs 19.20GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 6630M Mac Edition

0.48 TFLOPS

GeForce GT 640M Mac Edition +19%

0.572 TFLOPS

Radeon HD 6630M Mac Edition

VS

GeForce GT 640M Mac Edition

Graphics Card

Jan 2011

Release Date

Feb 2013

Vancouver

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

600 MHz

Memory Clock

1250 MHz

Memory

256MB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

64bit

19.20GB/s

Bandwidth

40.00GB/s

Render Config

6

Compute Units

-

480

Shading Units

384

24

TMUs

32

8

ROPs

8

-

L1 Cache

16 KB (per SMX)

-

L2 Cache

128 KB

-

Theoretical Performance

4.000 GPixel/s

Pixel Rate

5.960 GPixel/s

12.00 GTexel/s

Texture Rate

23.84 GTexel/s

-

480.0 GFLOPS

FP32 (float)

572.2 GFLOPS

-

FP64 (double)

23.84 GFLOPS

Board Design

26W

TDP

32W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Whistler

GPU Name

GK107

Whistler LP

GPU Variant

N13P-GS

TeraScale 2

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.716 billion

Transistors

1.27 billion

104 mm²

Die Size

118 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

5.0

Shader Model

5.1

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