NVIDIA GeForce GTX 680MX Mac Edition vs AMD Radeon R9 M385

VS

NVIDIA GeForce GTX 680MX Mac Edition

AMD Radeon R9 M385

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 680MX Mac Edition and 4GB VRAM Radeon R9 M385 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 680MX Mac Edition 's Advantages

Larger VRAM bandwidth (160.0GB/s vs 76.80GB/s)

640 additional rendering cores

AMD Radeon R9 M385 's Advantages

Released 2 years and 7 months late

Boost Clock1000MHz

More VRAM (4GB vs 2GB)

Score

Benchmark

FP32 (float)

GeForce GTX 680MX Mac Edition +23%

2.209 TFLOPS

Radeon R9 M385

1.792 TFLOPS

GeForce GTX 680MX Mac Edition

VS

Radeon R9 M385

Graphics Card

Oct 2012

Release Date

May 2015

GeForce 600M

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

1000 MHz

1250 MHz

Memory Clock

1200 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

76.80GB/s

Render Config

-

Compute Units

14

-

1536

Shading Units

896

128

TMUs

56

32

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

23.01 GPixel/s

Pixel Rate

16.00 GPixel/s

92.03 GTexel/s

Texture Rate

56.00 GTexel/s

-

2.209 TFLOPS

FP32 (float)

1.792 TFLOPS

92.03 GFLOPS

FP64 (double)

112.0 GFLOPS

Board Design

122W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

GK104

GPU Name

Strato

N13E-GTX2-A2

GPU Variant

Strato XT

Kepler

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

2.08 billion

294 mm²

Die Size

160 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.1

Vulkan

1.2.170

3.0

CUDA

-

5.1

Shader Model

6.5

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