AMD Radeon R7 A260 vs NVIDIA GeForce GTX 660M Mac Edition

VS

AMD Radeon R7 A260 NVIDIA GeForce GTX 660M Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM Radeon R7 A260 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 R7 A260 's Advantages

Released 9 months late

Boost Clock980MHz

More VRAM (1024GB vs 512GB)

NVIDIA GeForce GTX 660M Mac Edition 's Advantages

Larger VRAM bandwidth (80.00GB/s vs 57.60GB/s)

Score

Benchmark

FP32 (float)

Radeon R7 A260 +3%

0.752 TFLOPS

GeForce GTX 660M Mac Edition

0.73 TFLOPS

Radeon R7 A260

VS

GeForce GTX 660M Mac Edition

Graphics Card

Jan 2014

Release Date

Apr 2013

All-In-One

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

900 MHz

Base Clock

-

980 MHz

Boost Clock

-

900 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

57.60GB/s

Bandwidth

80.00GB/s

Render Config

-

SM Count

-

6

Compute Units

-

384

Shading Units

384

24

TMUs

32

8

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

256 KB

Theoretical Performance

7.840 GPixel/s

Pixel Rate

7.600 GPixel/s

23.52 GTexel/s

Texture Rate

30.40 GTexel/s

-

FP16 (half)

-

752.6 GFLOPS

FP32 (float)

729.6 GFLOPS

-

FP64 (double)

30.40 GFLOPS

Graphics Processor

Topaz

GPU Name

GK107

Topaz XT (216-0858020)

GPU Variant

-

GCN 3.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.55 billion

Transistors

1.27 billion

125 mm²

Die Size

118 mm²

Board Design

Unknown

TDP

50W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2.170

Vulkan

1.1

-

CUDA

3.0

6.5

Shader Model

5.1

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