AMD Radeon R9 M275X vs NVIDIA GeForce GTX 680M

VS

AMD Radeon R9 M275X

NVIDIA GeForce GTX 680M

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M275X and 4GB VRAM GeForce GTX 680M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M275X 's Advantages

Released 1 years and 7 months late

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

NVIDIA GeForce GTX 680M 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (115.2GB/s vs 72.00GB/s)

704 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M275X

1.184 TFLOPS

GeForce GTX 680M +72%

2.038 TFLOPS

Radeon R9 M275X

VS

GeForce GTX 680M

Graphics Card

Jan 2014

Release Date

Jun 2012

Gem System

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

900 MHz

Base Clock

719 MHz

925 MHz

Boost Clock

758 MHz

1125 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

72.00GB/s

Bandwidth

115.2GB/s

Render Config

10

Compute Units

-

640

Shading Units

1344

40

TMUs

112

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

14.80 GPixel/s

Pixel Rate

21.22 GPixel/s

37.00 GTexel/s

Texture Rate

84.90 GTexel/s

-

1184 GFLOPS

FP32 (float)

2.038 TFLOPS

74.00 GFLOPS

FP64 (double)

84.90 GFLOPS

Board Design

Unknown

TDP

100W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Venus

GPU Name

GK104

Venus XTX (216-0846033)

GPU Variant

N13E-GTX-A2

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.5 billion

Transistors

3.54 billion

123 mm²

Die Size

294 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

3.0

1.2.170

Vulkan

1.1

-

CUDA

3.0

6.5 (5.1)

Shader Model

5.1

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