NVIDIA GeForce GTX 675MX Mac Edition vs AMD Radeon R9 M270X

VS

NVIDIA GeForce GTX 675MX Mac Edition

AMD Radeon R9 M270X

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GTX 675MX Mac Edition and 2GB VRAM Radeon R9 M270X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 675MX Mac Edition 's Advantages

Larger VRAM bandwidth (160.0GB/s vs 88.00GB/s)

576 additional rendering cores

AMD Radeon R9 M270X 's Advantages

Released 1 years and 10 months late

Boost Clock1000MHz

More VRAM (2GB vs 1024GB)

Score

Benchmark

FP32 (float)

GeForce GTX 675MX Mac Edition +25%

1.933 TFLOPS

Radeon R9 M270X

1.536 TFLOPS

GeForce GTX 675MX Mac Edition

VS

Radeon R9 M270X

Graphics Card

Apr 2013

Release Date

Feb 2015

GeForce 600M

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

1000 MHz

1250 MHz

Memory Clock

1375 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

88.00GB/s

Render Config

-

Compute Units

12

-

1344

Shading Units

768

112

TMUs

48

32

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

20.13 GPixel/s

Pixel Rate

16.00 GPixel/s

80.53 GTexel/s

Texture Rate

48.00 GTexel/s

-

1.933 TFLOPS

FP32 (float)

1.536 TFLOPS

80.53 GFLOPS

FP64 (double)

96.00 GFLOPS

Board Design

100W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

GK104

GPU Name

Saturn

N13E-GSR-A2

GPU Variant

Saturn PRO (216-0843044)

Kepler

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

2.08 billion

294 mm²

Die Size

160 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.1

Vulkan

1.2.170

3.0

CUDA

-

5.1

Shader Model

6.5

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