GeForce GT 640M
VS
Intel HD Graphics 620

GeForce GT 640M vs Intel HD Graphics 620

NVIDIA

GeForce GT 640M

2012Core: Up to 625 MHzBoost: 645 MHz
VS
Intel

Intel HD Graphics 620

2016Core: 300 MHzBoost: 1000 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. 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
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 Per Dollar

Based on actual market prices and performance benchmarks.

Performance Comparison

About G3D Mark

🏆 Chipversus Verdict

🚀 Performance Leadership

The Intel HD Graphics 620 is the superior choice for raw performance. It leads with a 1.3% higher G3D Mark score. However, the GeForce GT 640M offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.

InsightGeForce GT 640MIntel HD Graphics 620
Performance
Lower raw frame rates (-1.3%)
Leading raw performance (+1.3%)
Longevity
🛑Obsolete Architecture (2012 / Kepler (2012−2018))
🛑Obsolete Architecture (2016 / Generation 9.5 (2016−2020))
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 Intel HD Graphics 620 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 GeForce GT 640M and Intel HD Graphics 620

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.

Intel

Intel HD Graphics 620

The Intel HD Graphics 620 is manufactured by Intel. It was released in August 30 2016. It features the Generation 9.5 architecture. The core clock ranges from 300 MHz to 1000 MHz. It has 192 shading units. The thermal design power (TDP) is 15W. Manufactured using 14 nm++ process technology. G3D Mark benchmark score: 919 points.

Graphics Performance

The GeForce GT 640M scores 907 and the Intel HD Graphics 620 reaches 919 in the G3D Mark benchmark — just a 1.3% difference, making them near-identical in rasterization performance. The GeForce GT 640M is built on Kepler while the Intel HD Graphics 620 uses Generation 9.5, both on 28 nm vs 14 nm++. Shader units: 384 (GeForce GT 640M) vs 192 (Intel HD Graphics 620). Raw compute: 0.48 TFLOPS (GeForce GT 640M) vs 0.384 TFLOPS (Intel HD Graphics 620). Boost clocks: 645 MHz vs 1000 MHz.

FeatureGeForce GT 640MIntel HD Graphics 620
G3D Mark Score
907
919+1%
Architecture
Kepler
Generation 9.5
Process Node
28 nm
14 nm++
Shading Units
384+100%
192
Compute (TFLOPS)
0.48 TFLOPS+25%
0.384 TFLOPS
Boost Clock
645 MHz
1000 MHz+55%
ROPs
16+433%
3
TMUs
32+33%
24

Advanced Features (DLSS/FSR)

FeatureGeForce GT 640MIntel HD Graphics 620
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 Intel HD Graphics 620 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.

FeatureGeForce GT 640MIntel HD Graphics 620
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 (12_1) (Intel HD Graphics 620). Vulkan: 1.1 vs 1.2. OpenGL: 4.5 vs 4.6. Maximum simultaneous displays: 1 vs 3.

FeatureGeForce GT 640MIntel HD Graphics 620
DirectX
11.0
12 (12_1)+9%
Vulkan
1.1
1.2+9%
OpenGL
4.5
4.6+2%
Max Displays
1
3+200%
🎬

Media & Encoding

Hardware encoder: NVENC 1.0 (GeForce GT 640M) vs Quick Sync Video (Intel HD Graphics 620). Decoder: PureVideo HD VP5 vs Quick Sync Video. Supported codecs: MPEG-2,H.264,VC-1,MPEG-4 ASP (GeForce GT 640M) vs H.265/HEVC,H.264,VP9,MPEG-2,VC-1,JPEG (Intel HD Graphics 620).

FeatureGeForce GT 640MIntel HD Graphics 620
Encoder
NVENC 1.0
Quick Sync Video
Decoder
PureVideo HD VP5
Quick Sync Video
Codecs
MPEG-2,H.264,VC-1,MPEG-4 ASP
H.265/HEVC,H.264,VP9,MPEG-2,VC-1,JPEG
🔌

Power & Dimensions

The GeForce GT 640M draws 32W versus the Intel HD Graphics 620's 15W — a 72.3% difference. The Intel HD Graphics 620 is more power-efficient. Recommended PSU: 350W (GeForce GT 640M) vs 1W (Intel HD Graphics 620). Power connectors: PCIe-powered vs Integrated. Typical load temperature: 70°C vs 90°C.

FeatureGeForce GT 640MIntel HD Graphics 620
TDP
32W
15W-53%
Recommended PSU
350W
1W-100%
Power Connector
PCIe-powered
Integrated
Length
0mm
Height
0mm
Slots
0
0
Temp (Load)
70°C-22%
90°C
Perf/Watt
28.3
61.3+117%
💰

Value Analysis

The Intel HD Graphics 620 costs 100+% less ($50 savings) at current market prices. Performance per dollar (G3D Mark / price): 18.1 (GeForce GT 640M) vs Infinity (Intel HD Graphics 620) — the Intel HD Graphics 620 offers Infinity% better value. The Intel HD Graphics 620 is the newer GPU (2016 vs 2012).

FeatureGeForce GT 640MIntel HD Graphics 620
MSRP
$0
Avg Price (30d)
$50
$0-100%
Performance per Dollar
18.1
Infinity
Codename
GK107
Kaby Lake GT2
Release
March 22 2012
August 30 2016
Ranking
#909
#906