AMD Radeon RX 6600M vs NVIDIA GeForce GTX 680M

VS

AMD Radeon RX 6600M

NVIDIA GeForce GTX 680M

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 6600M 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 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)

Radeon RX 6600M +324%

8.659 TFLOPS

GeForce GTX 680M

2.038 TFLOPS

Blender

Radeon RX 6600M +432%

1007

GeForce GTX 680M

189

Radeon RX 6600M

VS

GeForce GTX 680M

Graphics Card

May 2021

Release Date

Jun 2012

Mobility Radeon

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

2068 MHz

Base Clock

719 MHz

2416 MHz

Boost Clock

758 MHz

1750 MHz

Memory Clock

900 MHz

Memory

8GB

Memory Size

4GB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

256bit

224.0GB/s

Bandwidth

115.2GB/s

Render Config

28

Compute Units

-

1792

Shading Units

1344

112

TMUs

112

64

ROPs

32

-

28

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per SMX)

2 MB

L2 Cache

512 KB

32 MB

L3 Cache

-

Theoretical Performance

154.6 GPixel/s

Pixel Rate

21.22 GPixel/s

270.6 GTexel/s

Texture Rate

84.90 GTexel/s

17.32 TFLOPS

FP16 (half)

-

8.659 TFLOPS

FP32 (float)

2.038 TFLOPS

541.2 GFLOPS

FP64 (double)

84.90 GFLOPS

Board Design

100W

TDP

100W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Navi 23

GPU Name

GK104

-

GPU Variant

N13E-GTX-A2

RDNA 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

11.06 billion

Transistors

3.54 billion

237 mm²

Die Size

294 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.1

-

CUDA

3.0

6.5

Shader Model

5.1

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