NVIDIA GeForce GT 745A vs AMD Radeon R9 M295X Mac Edition

VS

NVIDIA GeForce GT 745A

AMD Radeon R9 M295X Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 745A and 4GB VRAM Radeon R9 M295X Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 745A 's Advantages

Boost Clock915MHz

Lower TDP (33W vs 250W)

AMD Radeon R9 M295X Mac Edition 's Advantages

Released 1 years and 3 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (174.3GB/s vs 28.80GB/s)

1664 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 745A

0.703 TFLOPS

Radeon R9 M295X Mac Edition +395%

3.482 TFLOPS

GeForce GT 745A

VS

Radeon R9 M295X Mac Edition

Graphics Card

Aug 2013

Release Date

Nov 2014

GeForce 700A

Generation

Crystal System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

837 MHz

Base Clock

-

915 MHz

Boost Clock

-

900 MHz

Memory Clock

1362 MHz

Memory

2GB

Memory Size

4GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

28.80GB/s

Bandwidth

174.3GB/s

Render Config

-

Compute Units

32

-

384

Shading Units

2048

32

TMUs

128

16

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

7.320 GPixel/s

Pixel Rate

27.20 GPixel/s

29.28 GTexel/s

Texture Rate

108.8 GTexel/s

-

FP16 (half)

3.482 TFLOPS

702.7 GFLOPS

FP32 (float)

3.482 TFLOPS

29.28 GFLOPS

FP64 (double)

217.6 GFLOPS

Board Design

33W

TDP

250W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK107

GPU Name

Amethyst

N14P-LP

GPU Variant

Amethyst XT

Kepler

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.27 billion

Transistors

5 billion

118 mm²

Die Size

366 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.0

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

6.3

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