GeForce GT 640M vs Iris Graphics 6100

Performance Spectrum - GPU

GeForce GT 640M

32

907

+0.9%

GeForce GTX 1650 SUPER

RTX 2000 Ada Generation Mobile

GeForce RTX 2080 SUPER

Iris Graphics 6100

15

899

0.0%

UHD Graphics Xe 16EUs (Tiger Lake-H)

Arc Graphics 130T

Arc A770M

Arc B580

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. The GeForce GT 640M is positioned at rank #224 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. 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 GeForce GT 640M

#52

Radeon 8060S

MSRP: $800|Avg: $800

99%

#53

Radeon RX 6850M XT

MSRP: $800|Avg: $800

96%

#214

Radeon RX 550X (móvel)

MSRP: $35|Avg: $35

479%

#216

GeForce GTX 1070 with Max-Q Design

MSRP: N/A|Avg: $150

434%

#217

GeForce GTX 1060 with Max-Q Design

MSRP: N/A|Avg: $100

433%

#221

GeForce GTX 1050 (Mobile)

MSRP: N/A|Avg: $50

394%

#222

Radeon RX 6300

MSRP: $60|Avg: $40

391%

#224

GeForce GT 640M

MSRP: N/A|Avg: $50

100%

#228

GeForce GT 750M Mac Edition

MSRP: $149|Avg: $40

98%

#230

Maxwell GPU Surface Book

MSRP: $150|Avg: $75

97%

#235

Radeon RX 540

MSRP: $99|Avg: $40

95%

#236

Radeon HD 6750M

MSRP: N/A|Avg: $60

94%

#237

Radeon HD 7570M

MSRP: N/A|Avg: $15

93%

#239

Arc Graphics 130T

MSRP: $300|Avg: $250

91%

Based on actual market prices and performance benchmarks.

Performance Per Dollar

Based on actual market prices and performance benchmarks.

Performance Comparison

About G3D Mark

🏆 Chipversus Verdict

🚀 Performance Leadership

The GeForce GT 640M is the superior choice for raw performance. It leads with a 0.9% 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 Graphics 6100.

Insight	GeForce GT 640M	Iris Graphics 6100
Performance	✅Leading raw performance (+0.9%)	❌Lower raw frame rates (-0.9%)
Longevity	🛑Obsolete Architecture (2012 / Kepler (2012−2018))	🛑Obsolete Architecture (2015 / Generation 8.0 (2014−2015))
Ecosystem	Supports FSR Upscaling	Supports FSR Upscaling
VRAM	✅ More VRAM (+100+%)	❌ Less VRAM capacity
Efficiency	⚡ Higher Power Consumption	💡 Excellent Perf/Watt
Case Fit	—	—

💎 Value Proposition

While current pricing data is unavailable, the GeForce GT 640M 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.

GeForce GT 640M Benchmark Check

Iris Graphics 6100 Benchmark Check

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Check FPS for your specific build

Technical Specifications

Side-by-side comparison of GeForce GT 640M and Iris Graphics 6100

GeForce GT 640M

The GeForce GT 640M is manufactured by NVIDIA. It was released in March 22 2012. It features the Kepler architecture. The core clock ranges from Up to 625 MHz to 645 MHz. It has 384 shading units. The thermal design power (TDP) is 32W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 907 points.

Iris Graphics 6100

The Iris Graphics 6100 is manufactured by Intel. It was released in January 5 2015. It features the Generation 8.0 architecture. The core clock ranges from 300 MHz to 1000 MHz. It has 384 shading units. The thermal design power (TDP) is 15W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 899 points.

⚡

Graphics Performance

The GeForce GT 640M scores 907 and the Iris Graphics 6100 reaches 899 in the G3D Mark benchmark — just a 0.9% difference, making them near-identical in rasterization performance. The GeForce GT 640M is built on Kepler while the Iris Graphics 6100 uses Generation 8.0, both on 28 nm vs 14 nm. Shader units: 384 (GeForce GT 640M) vs 384 (Iris Graphics 6100). Raw compute: 0.48 TFLOPS (GeForce GT 640M) vs 0.768 TFLOPS (Iris Graphics 6100). Boost clocks: 645 MHz vs 1000 MHz.

Feature	GeForce GT 640M	Iris Graphics 6100
G3D Mark Score	907	899
Architecture	Kepler	Generation 8.0
Process Node	28 nm	14 nm
Shading Units	384	384
Compute (TFLOPS)	0.48 TFLOPS	0.768 TFLOPS+60%
Boost Clock	645 MHz	1000 MHz+55%
ROPs	16+167%	6
TMUs	32	48+50%

✨

Advanced Features (DLSS/FSR)

Feature	GeForce GT 640M	Iris Graphics 6100
Upscaling Tech	FSR 1.0 (Software)	FSR 1.0 (Software)
Frame Generation	Not Supported	Not Supported
Ray Reconstruction	No	No
Low Latency	Standard	Standard

💾

Video Memory (VRAM)

The GeForce GT 640M comes with 2 GB of VRAM, while the Iris Graphics 6100 has 0 MB. The GeForce GT 640M offers 100+% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs System.

Feature	GeForce GT 640M	Iris Graphics 6100
VRAM Capacity	2 GB	Shared System RAM
Memory Type	GDDR5	Shared
Memory Bandwidth	Unknown	System
Bus Width	128-bit	System

🖥️

Display & API Support

DirectX support: 11.0 (GeForce GT 640M) vs 12 (11_1) (Iris Graphics 6100). Vulkan: 1.1 vs 1.3. OpenGL: 4.5 vs 4.6. Maximum simultaneous displays: 1 vs 3.

Feature	GeForce GT 640M	Iris Graphics 6100
DirectX	11.0	12 (11_1)+9%
Vulkan	1.1	1.3+18%
OpenGL	4.5	4.6+2%
Max Displays	1	3+200%

🎬

Media & Encoding

Hardware encoder: NVENC 1.0 (GeForce GT 640M) vs QuickSync (Iris Graphics 6100). Decoder: PureVideo HD VP5 vs QuickSync. Supported codecs: MPEG-2,H.264,VC-1,MPEG-4 ASP (GeForce GT 640M) vs H.264,H.265,VP8,VP9,VC-1 (Iris Graphics 6100).

Feature	GeForce GT 640M	Iris Graphics 6100
Encoder	NVENC 1.0	QuickSync
Decoder	PureVideo HD VP5	QuickSync
Codecs	MPEG-2,H.264,VC-1,MPEG-4 ASP	H.264,H.265,VP8,VP9,VC-1

🔌

Power & Dimensions

The GeForce GT 640M draws 32W versus the Iris Graphics 6100's 15W — a 72.3% difference. The Iris Graphics 6100 is more power-efficient. Recommended PSU: 350W (GeForce GT 640M) vs 1W (Iris Graphics 6100). Power connectors: PCIe-powered vs Integrated. Card length: 0mm vs 0mm, occupying 0 vs 0 slots. Typical load temperature: 70°C vs 85.

Feature	GeForce GT 640M	Iris Graphics 6100
TDP	32W	15W-53%
Recommended PSU	350W	1W-100%
Power Connector	PCIe-powered	Integrated
Length	0mm	0mm
Height	0mm	0mm
Slots	0	0
Temp (Load)	70°C-18%	85
Perf/Watt	28.3	59.9+112%

💰

Value Analysis

The Iris Graphics 6100 costs 100+% less ($50 savings) at current market prices. Performance per dollar (G3D Mark / price): 18.1 (GeForce GT 640M) vs Infinity (Iris Graphics 6100) — the Iris Graphics 6100 offers Infinity% better value. The Iris Graphics 6100 is the newer GPU (2015 vs 2012).