Phenom II X2 N640
VS
Core i3-380UM

Phenom II X2 N640 vs Core i3-380UM

AMD

Phenom II X2 N640

2 Cores2 Thrd2 WWMax: 2.9 GHz2010
VS
Intel

Core i3-380UM

2 Cores4 Thrd512 WWMax: 0.03 GHz2010

Performance Spectrum - CPU

About PassMark

PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money. The Phenom II X2 N640 is positioned at rank 977 and the Core i3-380UM is on rank 225, so the Core i3-380UM offers better cost-efficiency for playing games.

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

Performance Per Dollar Phenom II X2 N640

#965
Atom x5-Z8300
MSRP: $20|Avg: N/A
1950%
#966
Atom Z3735G
MSRP: $17|Avg: N/A
1921%
#967
Core i5-480M
MSRP: $81|Avg: $77
1763%
#968
Core i5-460M
MSRP: $80|Avg: $129
1755%
#969
Core i5-2540M
MSRP: $266|Avg: $10
1739%
#971
Core i5-450M
MSRP: $32|Avg: $31
1680%
#972
Core i3-380M
MSRP: $49|Avg: $25
1611%
#973
Core i5-430M
MSRP: N/A|Avg: $33
1608%
#974
Core 2 Duo T6600
MSRP: N/A|Avg: $4
1565%
#977
Phenom II X2 N640
MSRP: $100|Avg: $55
100%
#978
A10-8700P
MSRP: $150|Avg: $40
100%
#982
Athlon II Neo K125
MSRP: $100|Avg: $100
99%
#986
Pro A8-8600B
MSRP: $150|Avg: $25
98%
#991
Pentium 8500
MSRP: $200|Avg: $200
96%
#992
A6-8500P
MSRP: $100|Avg: $16
96%
Based on actual market prices and performance synthetic scores.

Performance Per Dollar Core i3-380UM

#213
Atom x5-Z8300
MSRP: $20|Avg: N/A
391%
#214
Atom Z3735G
MSRP: $17|Avg: N/A
385%
#215
Core i5-480M
MSRP: $81|Avg: $77
353%
#216
Core i5-460M
MSRP: $80|Avg: $129
352%
#217
Core i5-2540M
MSRP: $266|Avg: $10
349%
#219
Core i5-450M
MSRP: $32|Avg: $31
337%
#220
Core i3-380M
MSRP: $49|Avg: $25
323%
#221
Core i5-430M
MSRP: N/A|Avg: $33
322%
#222
Core 2 Duo T6600
MSRP: N/A|Avg: $4
314%
#225
Core i3-380UM
MSRP: N/A|Avg: N/A
100%
Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Leadership: The Phenom II X2 N640 delivers superior performance across the board. It outperforms the Core i3-380UM in both compute-intensive tasks (0.2% faster) and gaming workloads.
InsightPhenom II X2 N640Core i3-380UM
Gaming
Superior gaming performance
Lower gaming performance
Workstation
Better multi-core power
Weaker in multi-core tasks
Price
⚠️ Higher cost ($55)
More affordable ($0)
Longevity
🛑 Legacy (Champlain (2010−2011) / 45 nm)
🛑 Legacy (Arrandale (2010−2011) / 32 nm)

💎 Value Proposition

InsightPhenom II X2 N640Core i3-380UM
Cost Efficiency
Lower cost efficiency
Lower cost efficiency
Upfront Cost
⚠️ Higher cost ($55)
More affordable ($0)

Performance Check

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Technical Specifications

Side-by-side comparison of Phenom II X2 N640 and Core i3-380UM

AMD

Phenom II X2 N640

The Phenom II X2 N640 is manufactured by AMD. It was released in 2009-01-01. It is based on the Champlain (2010−2011) architecture. It features 2 cores and 2 threads. Max frequency: 2.9 GHz. L2 cache: 2 MB. Built on 45 nm process technology. Socket: S1. Thermal design power (TDP): 2 MB. Memory support: DDR3. Passmark benchmark score: 1,505 points. Launch price was $149.

Intel

Core i3-380UM

The Core i3-380UM is manufactured by Intel. It was released in 1 October 2010 (15 years ago). It is based on the Arrandale (2010−2011) architecture. It features 2 cores and 4 threads. Base frequency is 1.33 GHz, with boost up to 0.03 GHz. L3 cache: 3 MB. L2 cache: 512 kB. Built on 32 nm process technology. Socket: BGA1288. Thermal design power (TDP): 18 Watt. Memory support: DDR3. Passmark benchmark score: 1,502 points. Launch price was $69.

Processing Power

The Phenom II X2 N640 packs 2 cores / 2 threads, matching the Core i3-380UM's 2 cores. Boost clocks reach 2.9 GHz on the Phenom II X2 N640 versus 0.03 GHz on the Core i3-380UM — a 195.9% clock advantage for the Phenom II X2 N640. The Phenom II X2 N640 uses the Champlain (2010−2011) architecture (45 nm), while the Core i3-380UM uses Arrandale (2010−2011) (32 nm). In PassMark, the Phenom II X2 N640 scores 1,505 against the Core i3-380UM's 1,502 — a 0.2% lead for the Phenom II X2 N640. Geekbench 6 single-core — the metric most relevant to gaming — records 300 vs 199, a 40.5% lead for the Phenom II X2 N640 that directly translates to higher frame rates. Multi-core Geekbench: 422 vs 451 (6.6% advantage for the Core i3-380UM).

FeaturePhenom II X2 N640Core i3-380UM
Cores / Threads
2 / 2
2 / 4
Boost Clock
2.9 GHz+9567%
0.03 GHz
Base Clock
1.33 GHz
L3 Cache
3 MB
L2 Cache
2 MB+300%
512 kB
Process
45 nm
32 nm-29%
Architecture
Champlain (2010−2011)
Arrandale (2010−2011)
PassMark
1,505
1,502
Geekbench 6 Single
300+51%
199
Geekbench 6 Multi
422
451+7%
🧠

Memory & Platform

The Phenom II X2 N640 uses the S1 socket (PCIe 2.0), while the Core i3-380UM uses BGA1288 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to DDR3-1333 memory speed. Both support up to 8 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: RS880M (Phenom II X2 N640) and HM55,HM57,QM57 (Core i3-380UM).

FeaturePhenom II X2 N640Core i3-380UM
Socket
S1
BGA1288
PCIe Generation
PCIe 2.0
PCIe 2.0
Max RAM Speed
DDR3-1333
DDR3-800
Max RAM Capacity
8 GB
8 GB
RAM Channels
2
2
ECC Support
PCIe Lanes
16
16
🔧

Advanced Features

Neither processor supports overclocking. Virtualization support: AMD-V (Phenom II X2 N640) vs No (Core i3-380UM). The Core i3-380UM includes integrated graphics (Intel HD Graphics), while the Phenom II X2 N640 requires a dedicated GPU. Primary use case: Phenom II X2 N640 targets Legacy Laptop, Core i3-380UM targets Budget. Direct competitor: Core i3-380UM rivals Athlon Silver 3050U.

FeaturePhenom II X2 N640Core i3-380UM
Integrated GPU
No
Yes
IGPU Model
None
Intel HD Graphics
Unlocked
No
No
AVX-512
No
No
Virtualization
AMD-V
No
Target Use
Legacy Laptop
Budget