NVIDIA GeForce GTX 680M vs AMD Radeon R9 M275

VS

NVIDIA GeForce GTX 680M

AMD Radeon R9 M275

We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 680M and 2GB VRAM Radeon R9 M275 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 680M 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (115.2GB/s vs 64.00GB/s)

704 additional rendering cores

AMD Radeon R9 M275 's Advantages

Released 1 years and 7 months late

Boost Clock has increased by 22% (925MHz vs 758MHz)

Score

Benchmark

FP32 (float)

GeForce GTX 680M +72%

2.038 TFLOPS

Radeon R9 M275

1.184 TFLOPS

GeForce GTX 680M

VS

Radeon R9 M275

Graphics Card

Jun 2012

Release Date

Jan 2014

GeForce 600M

Generation

Gem System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

719 MHz

Base Clock

900 MHz

758 MHz

Boost Clock

925 MHz

900 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

10

-

1344

Shading Units

640

112

TMUs

40

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

14.80 GPixel/s

84.90 GTexel/s

Texture Rate

37.00 GTexel/s

-

2.038 TFLOPS

FP32 (float)

1184 GFLOPS

84.90 GFLOPS

FP64 (double)

74.00 GFLOPS

Board Design

100W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

GK104

GPU Name

Venus

N13E-GTX-A2

GPU Variant

Venus XTX (216-0846033)

Kepler

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

1.5 billion

294 mm²

Die Size

123 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

2.1 (1.2)

1.1

Vulkan

1.2.170

3.0

CUDA

-

5.1

Shader Model

6.5 (5.1)

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