NVIDIA GeForce GTX 680M vs AMD Radeon RX 6600S

VS

NVIDIA GeForce GTX 680M AMD Radeon RX 6600S

We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 680M and 4GB VRAM Radeon RX 6600S to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600S 's Advantages

Released 9 years and 7 months late

Boost Clock has increased by 164% (2000MHz vs 758MHz)

Larger VRAM bandwidth (224.0GB/s vs 115.2GB/s)

448 additional rendering cores

Lower TDP (80W vs 100W)

Score

Benchmark

FP32 (float)

GeForce GTX 680M

2.038 TFLOPS

Radeon RX 6600S +251%

7.168 TFLOPS

Blender

GeForce GTX 680M

189

Radeon RX 6600S +461%

1061

GeForce GTX 680M

VS

Radeon RX 6600S

Graphics Card

Jun 2012

Release Date

Jan 2022

GeForce 600M

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 4.0 x8

Clock Speeds

719 MHz

Base Clock

1700 MHz

758 MHz

Boost Clock

2000 MHz

900 MHz

Memory Clock

1750 MHz

Memory

4GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

224.0GB/s

Render Config

-

SM Count

-

Compute Units

28

1344

Shading Units

1792

112

TMUs

112

32

ROPs

64

-

Tensor Cores

-

RT Cores

28

16 KB (per SMX)

L1 Cache

128 KB per Array

512 KB

L2 Cache

2 MB

Theoretical Performance

21.22 GPixel/s

Pixel Rate

128.0 GPixel/s

84.90 GTexel/s

Texture Rate

224.0 GTexel/s

-

FP16 (half)

14.34 TFLOPS

2.038 TFLOPS

FP32 (float)

7.168 TFLOPS

84.90 GFLOPS

FP64 (double)

448.0 GFLOPS

Graphics Processor

GK104

GPU Name

Navi 23

N13E-GTX-A2

GPU Variant

-

Kepler

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

3.54 billion

Transistors

11.06 billion

294 mm²

Die Size

237 mm²

Board Design

100W

TDP

80W

-

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

2.1

1.1

Vulkan

1.3

3.0

CUDA

-

5.1

Shader Model

6.5

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