AMD Radeon R9 M395X vs NVIDIA GeForce GT 745A

VS

AMD Radeon R9 M395X

NVIDIA GeForce GT 745A

We compared two Mobile platform GPUs: 8GB VRAM Radeon R9 M395X and 2GB VRAM GeForce GT 745A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M395X 's Advantages

Released 1 years and 9 months late

More VRAM (8GB vs 2GB)

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

1664 additional rendering cores

NVIDIA GeForce GT 745A 's Advantages

Boost Clock915MHz

Lower TDP (33W vs 75W)

Score

Benchmark

FP32 (float)

Radeon R9 M395X +321%

2.961 TFLOPS

GeForce GT 745A

0.703 TFLOPS

Radeon R9 M395X

VS

GeForce GT 745A

Graphics Card

May 2015

Release Date

Aug 2013

Crystal System

Generation

GeForce 700A

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

837 MHz

-

Boost Clock

915 MHz

1250 MHz

Memory Clock

900 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

28.80GB/s

Render Config

32

Compute Units

-

2048

Shading Units

384

128

TMUs

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

23.14 GPixel/s

Pixel Rate

7.320 GPixel/s

92.54 GTexel/s

Texture Rate

29.28 GTexel/s

2.961 TFLOPS

FP16 (half)

-

2.961 TFLOPS

FP32 (float)

702.7 GFLOPS

185.1 GFLOPS

FP64 (double)

29.28 GFLOPS

Board Design

75W

TDP

33W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Amethyst

GPU Name

GK107

Amethyst XT

GPU Variant

N14P-LP

GCN 3.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5 billion

Transistors

1.27 billion

366 mm²

Die Size

118 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

6.3

Shader Model

5.1

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