AMD Radeon RX 6600M vs NVIDIA GeForce 8600M GT Mac Edition

VS

AMD Radeon RX 6600M

NVIDIA GeForce 8600M GT Mac Edition

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 6600M and 512MB VRAM GeForce 8600M GT Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600M 's Advantages

Released 13 years and 7 months late

Boost Clock2416MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (224.0GB/s vs 20.32GB/s)

1760 additional rendering cores

NVIDIA GeForce 8600M GT Mac Edition 's Advantages

Lower TDP (20W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX 6600M +14331%

8.659 TFLOPS

GeForce 8600M GT Mac Edition

0.06 TFLOPS

Radeon RX 6600M

VS

GeForce 8600M GT Mac Edition

Graphics Card

May 2021

Release Date

Oct 2007

Mobility Radeon

Generation

GeForce 8M

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

MXM-II

Clock Speeds

2068 MHz

Base Clock

-

2416 MHz

Boost Clock

-

1750 MHz

Memory Clock

635 MHz

Memory

8GB

Memory Size

512MB

GDDR6

Memory Type

GDDR3

128bit

Memory Bus

128bit

224.0GB/s

Bandwidth

20.32GB/s

Render Config

28

Compute Units

-

SM Count

4

1792

Shading Units

32

112

TMUs

16

64

ROPs

8

-

28

RT Cores

-

128 KB per Array

L1 Cache

-

2 MB

L2 Cache

32 KB

32 MB

L3 Cache

-

Theoretical Performance

154.6 GPixel/s

Pixel Rate

3.760 GPixel/s

270.6 GTexel/s

Texture Rate

7.520 GTexel/s

17.32 TFLOPS

FP16 (half)

-

8.659 TFLOPS

FP32 (float)

60.16 GFLOPS

541.2 GFLOPS

FP64 (double)

-

Board Design

100W

TDP

20W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Navi 23

GPU Name

G84

-

GPU Variant

NB8P-GS

RDNA 2.0

Architecture

Tesla

TSMC

Foundry

TSMC

7 nm

Process Size

80 nm

11.06 billion

Transistors

0.289 billion

237 mm²

Die Size

169 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.3

Vulkan

N/A

-

CUDA

1.1

6.5

Shader Model

4.0

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