Iris Plus Graphics 645 vs GeForce GTX 660M

Performance Spectrum - GPU

Iris Plus Graphics 645

15

1,450

0.0%

UHD Graphics Xe 16EUs (Tiger Lake-H)

1,452

+0.1%

GeForce RTX 2060 (móvel)

GeForce RTX 3070 Laptop GPU

TITAN V

About G3D Mark

G3D Mark is a standard benchmark that measures graphics performance in real-world gaming scenarios. It simplifies comparing cards from different brands, where higher scores directly correlate with better fps and smoother gaming experiences.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (G3D Mark) per dollar. Components placed above yours deliver better value for money.

MSRP is the manufacturer's suggested retail price.•
Avg price is the current average price collected from markets across the web.

Performance Per Dollar

Based on actual market prices and performance benchmarks.

Performance Per Dollar GeForce GTX 660M

#180

Radeon RX 550X (móvel)

MSRP: $35|Avg: $35

374%

#182

GeForce GTX 1070 with Max-Q Design

MSRP: N/A|Avg: $150

339%

#183

GeForce GTX 1060 with Max-Q Design

MSRP: N/A|Avg: $100

338%

#187

GeForce GTX 1050 (Mobile)

MSRP: N/A|Avg: $50

307%

#188

Radeon RX 6300

MSRP: $60|Avg: $40

305%

#190

GeForce GTX 660M

MSRP: N/A|Avg: N/A

100%

#195

GeForce GT625M

MSRP: N/A|Avg: $45

97%

#197

Qualcomm SD X Adreno X1-85 4.6 TFLOPS

MSRP: $250|Avg: $250

96%

#203

GeForce GT 730M

MSRP: N/A|Avg: $45

93%

Based on actual market prices and performance benchmarks.

Performance Comparison

About G3D Mark

🏆 Chipversus Verdict

⚠️ Generational Difference

The Iris Plus Graphics 645 is significantly newer (2019 vs 2012). The Iris Plus Graphics 645 likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The GeForce GTX 660M lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.

🚀 Performance Leadership

The GeForce GTX 660M is the superior choice for raw performance. It leads with a 0.1% higher G3D Mark score and 100+% more VRAM (2 GB vs 0 MB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Iris Plus Graphics 645.

Insight	Iris Plus Graphics 645	GeForce GTX 660M
Performance	❌Lower raw frame rates (-0.1%)	✅Leading raw performance (+0.1%)
Longevity	Generation 9.5 (2016−2020) (14nm)	🛑Obsolete Architecture (2012 / Kepler (2012−2018))
Ecosystem	Supports FSR Upscaling	Supports FSR Upscaling
VRAM	❌ Less VRAM capacity	✅ More VRAM (+100+%)
Efficiency	💡 Excellent Perf/Watt	⚡ Higher Power Consumption
Case Fit	—	—

💎 Value Proposition

While current pricing data is unavailable, the GeForce GTX 660M remains the clear technical winner. Check real-time availability to determine if the performance gap justifies the market price.

Performance Check

Real-world benchmarks and performance projections based on comprehensive hardware analysis and comparative metrics. Values represent expected performance on High/Ultra settings at 1080p, 1440p, and 4K. Modeled using a Ryzen 7 7800X3D reference profile to minimize specific CPU bottlenecks.

Note: Performance behavior can vary per game. Specific architectures may perform better or worse depending on game engine optimizations and API implementation.

Iris Plus Graphics 645 Benchmark Check

GeForce GTX 660M Benchmark Check

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Technical Specifications

Side-by-side comparison of Iris Plus Graphics 645 and GeForce GTX 660M

Iris Plus Graphics 645

The Iris Plus Graphics 645 is manufactured by Intel. It was released in October 7 2019. It features the Generation 9.5 architecture. The core clock ranges from 300 MHz to 1050 MHz. It has 384 shading units. The thermal design power (TDP) is 15W. Manufactured using 14 nm+++ process technology. G3D Mark benchmark score: 1,450 points.

GeForce GTX 660M

The GeForce GTX 660M is manufactured by NVIDIA. It was released in March 22 2012. It features the Kepler architecture. The core clock ranges from 835 MHz to 950 MHz. It has 384 shading units. The thermal design power (TDP) is 50W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,452 points.

⚡

Graphics Performance

The Iris Plus Graphics 645 scores 1,450 and the GeForce GTX 660M reaches 1,452 in the G3D Mark benchmark — just a 0.1% difference, making them near-identical in rasterization performance. The Iris Plus Graphics 645 is built on Generation 9.5 while the GeForce GTX 660M uses Kepler, both on 14 nm+++ vs 28 nm. Shader units: 384 (Iris Plus Graphics 645) vs 384 (GeForce GTX 660M). Raw compute: 0.8064 TFLOPS (Iris Plus Graphics 645) vs 0.7296 TFLOPS (GeForce GTX 660M). Boost clocks: 1050 MHz vs 950 MHz.

Feature	Iris Plus Graphics 645	GeForce GTX 660M
G3D Mark Score	1,450	1,452
Architecture	Generation 9.5	Kepler
Process Node	14 nm+++	28 nm
Shading Units	384	384
Compute (TFLOPS)	0.8064 TFLOPS+11%	0.7296 TFLOPS
Boost Clock	1050 MHz+11%	950 MHz
ROPs	6	16+167%
TMUs	48+50%	32

✨

Advanced Features (DLSS/FSR)

Feature	Iris Plus Graphics 645	GeForce GTX 660M
Upscaling Tech	FSR 1.0 (Software)	FSR 2.1 (Compatible)
Frame Generation	Not Supported	FSR 3 (Compatible)
Ray Reconstruction	No	No
Low Latency	Standard	Standard

💾

Video Memory (VRAM)

The Iris Plus Graphics 645 comes with 0 MB of VRAM, while the GeForce GTX 660M has 2 GB. The GeForce GTX 660M offers 100+% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: System vs 128-bit.

Feature	Iris Plus Graphics 645	GeForce GTX 660M
VRAM Capacity	Shared System RAM	2 GB
Memory Type	Shared	GDDR5
Memory Bandwidth	System	Unknown
Bus Width	System	128-bit

🔌

Power & Dimensions

The Iris Plus Graphics 645 draws 15W versus the GeForce GTX 660M's 50W — a 107.7% difference. The Iris Plus Graphics 645 is more power-efficient. Recommended PSU: 1W (Iris Plus Graphics 645) vs 350W (GeForce GTX 660M). Power connectors: Integrated vs 1x 6-pin.