AMD Radeon HD 7950M vs NVIDIA GeForce GTX 680M

VS

AMD Radeon HD 7950M

NVIDIA GeForce GTX 680M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7950M 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 HD 7950M 's Advantages

Larger VRAM bandwidth (128.0GB/s vs 115.2GB/s)

Lower TDP (75W vs 100W)

NVIDIA GeForce GTX 680M 's Advantages

Boost Clock758MHz

More VRAM (4GB vs 2GB)

64 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7950M

1.792 TFLOPS

GeForce GTX 680M +13%

2.038 TFLOPS

Radeon HD 7950M

VS

GeForce GTX 680M

Graphics Card

Apr 2012

Release Date

Jun 2012

London

Generation

GeForce 600M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

719 MHz

-

Boost Clock

758 MHz

1000 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

128.0GB/s

Bandwidth

115.2GB/s

Render Config

20

Compute Units

-

1280

Shading Units

1344

80

TMUs

112

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

22.40 GPixel/s

Pixel Rate

21.22 GPixel/s

56.00 GTexel/s

Texture Rate

84.90 GTexel/s

-

1.792 TFLOPS

FP32 (float)

2.038 TFLOPS

-

FP64 (double)

84.90 GFLOPS

Board Design

75W

TDP

100W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Wimbledon

GPU Name

GK104

Wimbledon PRO

GPU Variant

N13E-GTX-A2

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

3.54 billion

212 mm²

Die Size

294 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

5.1

Shader Model

5.1

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