NVIDIA GeForce GTX 660M Mac Edition vs AMD Radeon R5 A220

VS

NVIDIA GeForce GTX 660M Mac Edition AMD Radeon R5 A220

We compared two Mobile platform GPUs: 512MB VRAM GeForce GTX 660M Mac Edition and 1024MB VRAM Radeon R5 A220 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660M Mac Edition 's Advantages

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

224 additional rendering cores

AMD Radeon R5 A220 's Advantages

Released 9 months late

More VRAM (1024GB vs 512GB)

Lower TDP (35W vs 50W)

Score

Benchmark

FP32 (float)

GeForce GTX 660M Mac Edition +194%

0.73 TFLOPS

Radeon R5 A220

0.248 TFLOPS

GeForce GTX 660M Mac Edition

VS

Radeon R5 A220

Graphics Card

Apr 2013

Release Date

Jan 2014

GeForce 600M

Generation

All-In-One

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1250 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

80.00GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

-

Compute Units

2

384

Shading Units

160

32

TMUs

8

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

Theoretical Performance

7.600 GPixel/s

Pixel Rate

3.100 GPixel/s

30.40 GTexel/s

Texture Rate

6.200 GTexel/s

-

FP16 (half)

-

729.6 GFLOPS

FP32 (float)

248.0 GFLOPS

30.40 GFLOPS

FP64 (double)

-

Graphics Processor

GK107

GPU Name

Caicos

-

GPU Variant

Caicos XT (215-0804070)

Kepler

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.27 billion

Transistors

0.37 billion

118 mm²

Die Size

67 mm²

Board Design

50W

TDP

35W

-

Suggested PSU

-

No outputs

Outputs

1x DVI 1x HDMI 1.3a

None

Power Connectors

None

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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