NVIDIA GeForce GTX 680M vs AMD Radeon R9 M395X Mac Edition

VS

NVIDIA GeForce GTX 680M

AMD Radeon R9 M395X Mac Edition

We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 680M 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 GTX 680M 's Advantages

Boost Clock758MHz

Lower TDP (100W vs 250W)

AMD Radeon R9 M395X Mac Edition 's Advantages

Released 2 years and 11 months late

Larger VRAM bandwidth (174.7GB/s vs 115.2GB/s)

704 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 680M

2.038 TFLOPS

Radeon R9 M395X Mac Edition +82%

3.723 TFLOPS

GeForce GTX 680M

VS

Radeon R9 M395X Mac Edition

Graphics Card

Jun 2012

Release Date

May 2015

GeForce 600M

Generation

Crystal System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

719 MHz

Base Clock

-

758 MHz

Boost Clock

-

900 MHz

Memory Clock

1365 MHz

Memory

4GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

115.2GB/s

Bandwidth

174.7GB/s

Render Config

-

Compute Units

32

-

1344

Shading Units

2048

112

TMUs

128

32

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

21.22 GPixel/s

Pixel Rate

29.09 GPixel/s

84.90 GTexel/s

Texture Rate

116.4 GTexel/s

-

FP16 (half)

3.723 TFLOPS

2.038 TFLOPS

FP32 (float)

3.723 TFLOPS

84.90 GFLOPS

FP64 (double)

232.7 GFLOPS

Board Design

100W

TDP

250W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

GK104

GPU Name

Amethyst

N13E-GTX-A2

GPU Variant

Amethyst XT

Kepler

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

5 billion

294 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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