Iris Graphics 6100
VS
GeForce GT 640M

Iris Graphics 6100 vs GeForce GT 640M

Intel

Iris Graphics 6100

2015Core: 300 MHzBoost: 1000 MHz
VS
NVIDIA

GeForce GT 640M

2012Core: Up to 625 MHzBoost: 645 MHz

Performance Spectrum - GPU

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 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
434%
#217
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 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.

InsightIris Graphics 6100GeForce GT 640M
Performance
Lower raw frame rates (-0.9%)
Leading raw performance (+0.9%)
Longevity
🛑Obsolete Architecture (2015 / Generation 8.0 (2014−2015))
🛑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 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.

Technical Specifications

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

Intel

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.

NVIDIA

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.

Graphics Performance

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

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

Advanced Features (DLSS/FSR)

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

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

Display & API Support

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

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

Media & Encoding

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

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

Power & Dimensions

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

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

Value Analysis

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

FeatureIris Graphics 6100GeForce GT 640M
MSRP
$0
Avg Price (30d)
$0-100%
$50
Performance per Dollar
Infinity
18.1
Codename
Broadwell GT3
GK107
Release
January 5 2015
March 22 2012
Ranking
#913
#909