NVIDIA GeForce GTX 680M vs AMD Radeon RX 6600M

VS

NVIDIA GeForce GTX 680M AMD Radeon RX 6600M

We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 680M and 8GB VRAM Radeon RX 6600M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600M 's Advantages

Released 8 years and 11 months late

Boost Clock has increased by 219% (2416MHz vs 758MHz)

More VRAM (8GB vs 4GB)

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

448 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 680M

2.038 TFLOPS

Radeon RX 6600M +324%

8.659 TFLOPS

Blender

GeForce GTX 680M

189

Radeon RX 6600M +405%

956

GeForce GTX 680M

VS

Radeon RX 6600M

Graphics Card

Jun 2012

Release Date

May 2021

GeForce 600M

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 4.0 x8

Clock Speeds

719 MHz

Base Clock

2068 MHz

758 MHz

Boost Clock

2416 MHz

900 MHz

Memory Clock

1750 MHz

Memory

4GB

Memory Size

8GB

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

154.6 GPixel/s

84.90 GTexel/s

Texture Rate

270.6 GTexel/s

-

FP16 (half)

17.32 TFLOPS

2.038 TFLOPS

FP32 (float)

8.659 TFLOPS

84.90 GFLOPS

FP64 (double)

541.2 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

100W

-

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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