NVIDIA GeForce GTX 680M vs AMD Radeon 660M

VS

We compared a Mobile platform GPU: 4GB VRAM GeForce GTX 680M and a Integrated graphics card GPU: 0System Shared VRAM Radeon 660M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 680M 's Advantages

960 additional rendering cores

AMD Radeon 660M 's Advantages

Released 9 years and 7 months late

Boost Clock has increased by 151% (1900MHz vs 758MHz)

Lower TDP (15W vs 100W)

Score

Benchmark

FP32 (float)

GeForce GTX 680M +39%

2.038 TFLOPS

Radeon 660M

1.459 TFLOPS

Blender

GeForce GTX 680M +90%

189

Radeon 660M

99

GeForce GTX 680M

VS

Radeon 660M

Graphics Card

Jun 2012

Release Date

Jan 2022

GeForce 600M

Generation

Rembrandt

Mobile

Type

Integrated

MXM-B (3.0)

Bus Interface

PCIe 4.0 x8

Clock Speeds

719 MHz

Base Clock

1500 MHz

758 MHz

Boost Clock

1900 MHz

900 MHz

Memory Clock

System Shared

Memory

4GB

Memory Size

System Shared

GDDR5

Memory Type

System Shared

256bit

Memory Bus

System Shared

115.2GB/s

Bandwidth

System Dependent

Render Config

-

SM Count

-

Compute Units

6

1344

Shading Units

384

112

TMUs

24

32

ROPs

16

-

Tensor Cores

-

RT Cores

6

16 KB (per SMX)

L1 Cache

128 KB per Array

512 KB

L2 Cache

2 MB

Theoretical Performance

21.22 GPixel/s

Pixel Rate

30.40 GPixel/s

84.90 GTexel/s

Texture Rate

45.60 GTexel/s

-

FP16 (half)

2.918 TFLOPS

2.038 TFLOPS

FP32 (float)

1459 GFLOPS

84.90 GFLOPS

FP64 (double)

91.20 GFLOPS

Graphics Processor

GK104

GPU Name

Rembrandt

N13E-GTX-A2

GPU Variant

-

Kepler

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

6 nm

3.54 billion

Transistors

13.1 billion

294 mm²

Die Size

210 mm²

Board Design

100W

TDP

15W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.0

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

6.5

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