AMD Radeon R7 A265 vs NVIDIA GeForce GTX 675MX Mac Edition

VS

AMD Radeon R7 A265

NVIDIA GeForce GTX 675MX Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM Radeon R7 A265 and 1024MB VRAM GeForce GTX 675MX Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 A265 's Advantages

Released 9 months late

Boost Clock825MHz

More VRAM (2GB vs 1024GB)

NVIDIA GeForce GTX 675MX Mac Edition 's Advantages

Larger VRAM bandwidth (160.0GB/s vs 28.80GB/s)

960 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 A265

0.633 TFLOPS

GeForce GTX 675MX Mac Edition +205%

1.933 TFLOPS

Radeon R7 A265

VS

GeForce GTX 675MX 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

PCIe 3.0 x16

Clock Speeds

725 MHz

Base Clock

-

825 MHz

Boost Clock

-

900 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

28.80GB/s

Bandwidth

160.0GB/s

Render Config

6

Compute Units

-

384

Shading Units

1344

24

TMUs

112

8

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

6.600 GPixel/s

Pixel Rate

20.13 GPixel/s

19.80 GTexel/s

Texture Rate

80.53 GTexel/s

-

633.6 GFLOPS

FP32 (float)

1.933 TFLOPS

39.60 GFLOPS

FP64 (double)

80.53 GFLOPS

Board Design

Unknown

TDP

100W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Opal

GPU Name

GK104

Opal XT

GPU Variant

N13E-GSR-A2

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.95 billion

Transistors

3.54 billion

77 mm²

Die Size

294 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

3.0

1.2.170

Vulkan

1.1

-

CUDA

3.0

6.5 (5.1)

Shader Model

5.1

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