NVIDIA GeForce GTX 660M Mac Edition vs AMD Radeon RX 6800S

VS

NVIDIA GeForce GTX 660M Mac Edition AMD Radeon RX 6800S

We compared two Mobile platform GPUs: 512MB VRAM GeForce GTX 660M Mac Edition and 8GB VRAM Radeon RX 6800S to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660M Mac Edition 's Advantages

Lower TDP (50W vs 100W)

AMD Radeon RX 6800S 's Advantages

Released 8 years and 9 months late

Boost Clock2100MHz

Larger VRAM bandwidth (256.0GB/s vs 80.00GB/s)

1664 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 660M Mac Edition

0.73 TFLOPS

Radeon RX 6800S +1078%

8.602 TFLOPS

GeForce GTX 660M Mac Edition

VS

Radeon RX 6800S

Graphics Card

Apr 2013

Release Date

Jan 2022

GeForce 600M

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

1800 MHz

-

Boost Clock

2100 MHz

1250 MHz

Memory Clock

2000 MHz

Memory

512MB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

128bit

80.00GB/s

Bandwidth

256.0GB/s

Render Config

-

SM Count

-

Compute Units

32

384

Shading Units

2048

32

TMUs

128

16

ROPs

64

-

Tensor Cores

-

RT Cores

32

16 KB (per SMX)

L1 Cache

128 KB per Array

256 KB

L2 Cache

2 MB

Theoretical Performance

7.600 GPixel/s

Pixel Rate

134.4 GPixel/s

30.40 GTexel/s

Texture Rate

268.8 GTexel/s

-

FP16 (half)

17.20 TFLOPS

729.6 GFLOPS

FP32 (float)

8.602 TFLOPS

30.40 GFLOPS

FP64 (double)

537.6 GFLOPS

Graphics Processor

GK107

GPU Name

Navi 23

-

GPU Variant

-

Kepler

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

1.27 billion

Transistors

11.06 billion

118 mm²

Die Size

237 mm²

Board Design

50W

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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