NVIDIA GeForce GTX 660M Mac vs Intel Graphics 2C 2300MHz Full Specs

Summary

384 Shaders 950MHz	256 Shaders 2.3GHz
524MB GDDR580GB/s placeholder	Shared Memory119.5GB/s LPDDR5X·DDR5
Peak·FP32·FP16 729.6 GFLOPS	Peak·FP32·FP16 1.18 TFLOPS
Form Factor Soldered	Form Factor iGPU
TDP 50W	TDP Shared

Highlights

Peak OPS

Peak OPS FP32 FP16 Tensor FP16-32 FP64 Tensor BF16 Tensor INT8 Tensor INT4 Memory Bandwidth TDP

GeForce GTX 660M Mac729.6 GFLOPSFP32

x1

Graphics 2C 2300MHz37.68 TOPSINT4 Tensor

x51.65

Show Top Score

Theoretical Performance

Clock Speed950MHz UC·Boost·OC	Clock Speed2300MHz UC·Boost·OC
Peak OPS 729.6 GFLOPSFP32	Peak OPS 37.68 TOPSINT4 Tensor
-	Tensor FP16-32 9.42 TFLOPS
-	Tensor BF16 9.42 TFLOPS
FP32 729.6 GFLOPS	FP32 1.18 TFLOPS
FP64 30.4 GFLOPS	FP64 294.4 GFLOPS
Tensor INT4 -	Tensor INT4 37.68 TOPS
-	Tensor INT8 18.84 TOPS
Pixel Rate 15.2 GPixel/s	Pixel Rate 18.4 GPixel/s
Texture Rate 30.4 GTexel/s	Texture Rate 36.8 GTexel/s

Core Config

Shaders 384 Shaders	Shaders 256 Shaders
TMUs 32 TMUs	TMUs 16 TMUs
ROPs 16 ROPs	ROPs 8 ROPs
Tensor Cores -	Tensor Cores 16 T-Cores
RT Cores -	RT Cores 2 RT-Cores
SMs 2 SMs	EUs 16 EUs

Clocks

Boost Clock 950MHz

Boost Clock 2.3GHz

Cache

L2 Cache 256KB shared

L2 Cache 4.1MB shared

Memory

524MB GDDR5 placeholder	Shared Memory LPDDR5X·DDR5
Memory Bus 128-bit	Memory Bus 128-bit
Memory Speed 5GT/s	Memory Speed 7.5GT/s
Memory Bandwidth 80GB/s	Memory Bandwidth 119.5GB/s

Power & Thermals

TDP 50W

TDP Shared

Video Output

Multi-Monitor 2

Multi-Monitor 3

Encoder

Encoder Model NVENC 1

Encoder Model Xe Media Engine

Decoder

Decoder Model NVDEC 1

Decoder Model Xe Media Engine

Card

Form Factor Soldered

Form Factor iGPU

Chip

Manufacturer NVIDIA	Manufacturer Intel
Chip Designer NVIDIA	Chip Designer Intel
Architecture Kepler	Architecture Battlemage
Family GeForce 600	Family Gen 13
Branding	Branding
Codename NVE7	Codename Xe3 LPG
Chip Variant -	Chip Variant GT1
Market Segment Laptop	Market Segment Laptop
Release Date Mar 22, 2012	Release Date Jan 5, 2026

Fabrication

Foundry TSMC	Foundry Intel
Fabrication Node 28nm	Fabrication Node Intel 3
Die Size 118mm²	Die Size 27mm²
Transistor Count 1.3 Billion	Transistor Count -
Transistor Density 10.76 MTr/mm²	Transistor Density -

Images

No images available

No images available

Used In

CPUs -	CPUs Core Ultra 5 322 Core Ultra 5 332
All-in-Ones iMac 27(Late 2012)	All-in-Ones -

Competitors

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