AMD Radeon Pro W6600M vs NVIDIA GeForce GTX 660M Mac Edition

VS

AMD Radeon Pro W6600M

NVIDIA GeForce GTX 660M Mac Edition

We compared two Mobile platform GPUs: 8GB VRAM Radeon Pro W6600M and 512MB VRAM GeForce GTX 660M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro W6600M 's Advantages

Released 8 years and 2 months late

Boost Clock2034MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (224.0GB/s vs 80.00GB/s)

1408 additional rendering cores

NVIDIA GeForce GTX 660M Mac Edition 's Advantages

Lower TDP (50W vs 90W)

Score

Benchmark

FP32 (float)

Radeon Pro W6600M +898%

7.29 TFLOPS

GeForce GTX 660M Mac Edition

0.73 TFLOPS

Radeon Pro W6600M

VS

GeForce GTX 660M Mac Edition

Graphics Card

Jun 2021

Release Date

Apr 2013

Radeon Pro Mobile

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

1224 MHz

Base Clock

-

2034 MHz

Boost Clock

-

1750 MHz

Memory Clock

1250 MHz

Memory

8GB

Memory Size

512MB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

128bit

224.0GB/s

Bandwidth

80.00GB/s

Render Config

28

Compute Units

-

66

SM Count

-

1792

Shading Units

384

112

TMUs

32

64

ROPs

16

264

Tensor Cores

-

28

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per SMX)

2 MB

L2 Cache

256 KB

32 MB

L3 Cache

-

Theoretical Performance

130.2 GPixel/s

Pixel Rate

7.600 GPixel/s

227.8 GTexel/s

Texture Rate

30.40 GTexel/s

14.58 TFLOPS

FP16 (half)

-

7.290 TFLOPS

FP32 (float)

729.6 GFLOPS

455.6 GFLOPS

FP64 (double)

30.40 GFLOPS

Board Design

90W

TDP

50W

600 W

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Navi 23

GPU Name

GK107

Navi 23 WKS-XM

GPU Variant

-

RDNA 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

11.06 billion

Transistors

1.27 billion

237 mm²

Die Size

118 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

8.9

CUDA

3.0

6.7

Shader Model

5.1

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