NVIDIA GeForce GTX 680M vs AMD Radeon R9 M385X

VS

NVIDIA GeForce GTX 680M

AMD Radeon R9 M385X

We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 680M and 4GB VRAM Radeon R9 M385X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 680M 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 76.80GB/s)

448 additional rendering cores

AMD Radeon R9 M385X 's Advantages

Released 2 years and 11 months late

Boost Clock has increased by 45% (1100MHz vs 758MHz)

Score

Benchmark

FP32 (float)

GeForce GTX 680M +3%

2.038 TFLOPS

Radeon R9 M385X

1.971 TFLOPS

GeForce GTX 680M

VS

Radeon R9 M385X

Graphics Card

Jun 2012

Release Date

May 2015

GeForce 600M

Generation

Gem System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

719 MHz

Base Clock

1000 MHz

758 MHz

Boost Clock

1100 MHz

900 MHz

Memory Clock

1200 MHz

Memory

4GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

76.80GB/s

Render Config

-

Compute Units

14

-

1344

Shading Units

896

112

TMUs

56

32

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

21.22 GPixel/s

Pixel Rate

17.60 GPixel/s

84.90 GTexel/s

Texture Rate

61.60 GTexel/s

-

2.038 TFLOPS

FP32 (float)

1.971 TFLOPS

84.90 GFLOPS

FP64 (double)

123.2 GFLOPS

Board Design

100W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

GK104

GPU Name

Strato

N13E-GTX-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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