NVIDIA GeForce GTX 675M vs AMD Radeon R5 A255

VS

NVIDIA GeForce GTX 675M

AMD Radeon R5 A255

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 675M 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 675M 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (96.00GB/s vs 64.00GB/s)

AMD Radeon R5 A255 's Advantages

Released 1 years and 10 months late

Boost Clock940MHz

Score

Benchmark

FP32 (float)

GeForce GTX 675M +32%

0.952 TFLOPS

Radeon R5 A255

0.721 TFLOPS

GeForce GTX 675M

VS

Radeon R5 A255

Graphics Card

Mar 2012

Release Date

Jan 2014

GeForce 600M

Generation

All-In-One

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

925 MHz

-

Boost Clock

940 MHz

750 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

96.00GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

6

8

SM Count

-

384

Shading Units

384

64

TMUs

24

32

ROPs

8

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

9.920 GPixel/s

Pixel Rate

7.520 GPixel/s

39.68 GTexel/s

Texture Rate

22.56 GTexel/s

-

952.3 GFLOPS

FP32 (float)

721.9 GFLOPS

79.36 GFLOPS

FP64 (double)

-

Board Design

100W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

GF114

GPU Name

Topaz

N13E-GS1-A1

GPU Variant

Topaz PRO (216-0858030)

Fermi 2.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.95 billion

Transistors

1.55 billion

332 mm²

Die Size

125 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.2.170

2.1

CUDA

-

5.1

Shader Model

6.5

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