NVIDIA GeForce GTX 675MX Mac Edition vs AMD Radeon R5 A255

VS

NVIDIA GeForce GTX 675MX Mac Edition

AMD Radeon R5 A255

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GTX 675MX Mac Edition and 1024MB VRAM Radeon R5 A255 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 64.00GB/s)

960 additional rendering cores

AMD Radeon R5 A255 's Advantages

Released 9 months late

Boost Clock940MHz

Score

Benchmark

FP32 (float)

GeForce GTX 675MX Mac Edition +168%

1.933 TFLOPS

Radeon R5 A255

0.721 TFLOPS

GeForce GTX 675MX Mac Edition

VS

Radeon R5 A255

Graphics Card

Apr 2013

Release Date

Jan 2014

GeForce 600M

Generation

All-In-One

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

925 MHz

-

Boost Clock

940 MHz

1250 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

6

-

1344

Shading Units

384

112

TMUs

24

32

ROPs

8

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

20.13 GPixel/s

Pixel Rate

7.520 GPixel/s

80.53 GTexel/s

Texture Rate

22.56 GTexel/s

-

1.933 TFLOPS

FP32 (float)

721.9 GFLOPS

80.53 GFLOPS

FP64 (double)

-

Board Design

100W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

GK104

GPU Name

Topaz

N13E-GSR-A2

GPU Variant

Topaz PRO (216-0858030)

Kepler

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

1.55 billion

294 mm²

Die Size

125 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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