AMD Radeon R5 M240 vs NVIDIA GeForce GTX 660M Mac Edition

VS

AMD Radeon R5 M240

NVIDIA GeForce GTX 660M Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM Radeon R5 M240 and 512MB VRAM GeForce GTX 660M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 M240 's Advantages

Released 1 years and 5 months late

Boost Clock1030MHz

More VRAM (1024GB vs 512GB)

NVIDIA GeForce GTX 660M Mac Edition 's Advantages

Larger VRAM bandwidth (80.00GB/s vs 14.40GB/s)

64 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 M240

0.659 TFLOPS

GeForce GTX 660M Mac Edition +10%

0.73 TFLOPS

Radeon R5 M240

VS

GeForce GTX 660M Mac Edition

Graphics Card

Sep 2014

Release Date

Apr 2013

Crystal System

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

1000 MHz

Base Clock

-

1030 MHz

Boost Clock

-

900 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

512MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

80.00GB/s

Render Config

5

Compute Units

-

320

Shading Units

384

20

TMUs

32

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

8.240 GPixel/s

Pixel Rate

7.600 GPixel/s

20.60 GTexel/s

Texture Rate

30.40 GTexel/s

-

659.2 GFLOPS

FP32 (float)

729.6 GFLOPS

41.20 GFLOPS

FP64 (double)

30.40 GFLOPS

Board Design

Unknown

TDP

50W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Jet

GPU Name

GK107

Jet XT

GPU Variant

-

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.69 billion

Transistors

1.27 billion

56 mm²

Die Size

118 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

5.1

Shader Model

5.1

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