NVIDIA GeForce GTX 680M vs AMD Radeon HD 8950M

VS

NVIDIA GeForce GTX 680M AMD Radeon HD 8950M

We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 680M and 2GB VRAM Radeon HD 8950M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 680M 's Advantages

Boost Clock758MHz

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (115.2GB/s vs 88.00GB/s)

576 additional rendering cores

AMD Radeon HD 8950M 's Advantages

Released 11 months late

Score

Benchmark

FP32 (float)

GeForce GTX 680M +23%

2.038 TFLOPS

Radeon HD 8950M

1.651 TFLOPS

GeForce GTX 680M

VS

Radeon HD 8950M

Graphics Card

Jun 2012

Release Date

May 2013

GeForce 600M

Generation

Solar System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

719 MHz

Base Clock

-

758 MHz

Boost Clock

-

900 MHz

Memory Clock

1375 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

88.00GB/s

Render Config

-

SM Count

-

Compute Units

12

1344

Shading Units

768

112

TMUs

48

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

Theoretical Performance

21.22 GPixel/s

Pixel Rate

17.20 GPixel/s

84.90 GTexel/s

Texture Rate

51.60 GTexel/s

-

FP16 (half)

-

2.038 TFLOPS

FP32 (float)

1.651 TFLOPS

84.90 GFLOPS

FP64 (double)

103.2 GFLOPS

Graphics Processor

GK104

GPU Name

Saturn

N13E-GTX-A2

GPU Variant

Saturn 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

Board Design

100W

TDP

100W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.0

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

6.3

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