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

VS

AMD Radeon R9 M395X NVIDIA GeForce GTX 680MX Mac Edition

We compared two Mobile platform GPUs: 8GB VRAM Radeon R9 M395X and 2GB VRAM GeForce GTX 680MX Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M395X 's Advantages

Released 2 years and 7 months late

More VRAM (8GB vs 2GB)

512 additional rendering cores

Lower TDP (75W vs 122W)

Score

Benchmark

FP32 (float)

Radeon R9 M395X +34%

2.961 TFLOPS

GeForce GTX 680MX Mac Edition

2.209 TFLOPS

Radeon R9 M395X

VS

GeForce GTX 680MX Mac Edition

Graphics Card

May 2015

Release Date

Oct 2012

Crystal System

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1250 MHz

Memory Clock

1250 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

160.0GB/s

Bandwidth

160.0GB/s

Render Config

-

SM Count

-

32

Compute Units

-

2048

Shading Units

1536

128

TMUs

128

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

512 KB

Theoretical Performance

23.14 GPixel/s

Pixel Rate

23.01 GPixel/s

92.54 GTexel/s

Texture Rate

92.03 GTexel/s

2.961 TFLOPS

FP16 (half)

-

2.961 TFLOPS

FP32 (float)

2.209 TFLOPS

185.1 GFLOPS

FP64 (double)

92.03 GFLOPS

Graphics Processor

Amethyst

GPU Name

GK104

Amethyst XT

GPU Variant

N13E-GTX2-A2

GCN 3.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5 billion

Transistors

3.54 billion

366 mm²

Die Size

294 mm²

Board Design

75W

TDP

122W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

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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