NVIDIA GeForce 705M vs AMD Radeon R9 M395X Mac Edition

VS

NVIDIA GeForce 705M

AMD Radeon R9 M395X Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 705M and 4GB VRAM Radeon R9 M395X Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 705M 's Advantages

Lower TDP (15W vs 250W)

AMD Radeon R9 M395X Mac Edition 's Advantages

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (174.7GB/s vs 14.40GB/s)

2000 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 705M

0.142 TFLOPS

Radeon R9 M395X Mac Edition +2521%

3.723 TFLOPS

GeForce 705M

VS

Radeon R9 M395X Mac Edition

Graphics Card

Unknown

Release Date

May 2015

GeForce 700M

Generation

Crystal System

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

900 MHz

Memory Clock

1365 MHz

Memory

1024MB

Memory Size

4GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

14.40GB/s

Bandwidth

174.7GB/s

Render Config

-

Compute Units

32

1

SM Count

-

48

Shading Units

2048

8

TMUs

128

4

ROPs

32

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

1.476 GPixel/s

Pixel Rate

29.09 GPixel/s

5.904 GTexel/s

Texture Rate

116.4 GTexel/s

-

FP16 (half)

3.723 TFLOPS

141.7 GFLOPS

FP32 (float)

3.723 TFLOPS

11.81 GFLOPS

FP64 (double)

232.7 GFLOPS

Board Design

15W

TDP

250W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GF119

GPU Name

Amethyst

GF119 B1

GPU Variant

Amethyst XT

Fermi 2.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.292 billion

Transistors

5 billion

79 mm²

Die Size

366 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.1

OpenCL

2.0

N/A

Vulkan

1.2

2.1

CUDA

-

5.1

Shader Model

6.3

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