Core i7-6600U
VS
Core i5-4340M

Core i7-6600U vs Core i5-4340M

Intel

Core i7-6600U

2 Cores4 Thrd15 WWMax: 3.4 GHz2015
VS
Intel

Core i5-4340M

2 Cores4 Thrd512 WWMax: 3.6 GHz2014

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 Core i7-6600U is positioned at rank 925 and the Core i5-4340M is on rank 374, so the Core i5-4340M 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 Core i7-6600U

#913
Atom x5-Z8300
MSRP: $20|Avg: N/A
1636%
#914
Atom Z3735G
MSRP: $17|Avg: N/A
1612%
#915
Core i5-480M
MSRP: $81|Avg: $77
1480%
#916
Core i5-460M
MSRP: $80|Avg: $129
1474%
#917
Core i5-2540M
MSRP: $266|Avg: $10
1460%
#919
Core i5-450M
MSRP: $32|Avg: $31
1410%
#920
Core i3-380M
MSRP: $49|Avg: $25
1352%
#921
Core i5-430M
MSRP: N/A|Avg: $33
1350%
#922
Core 2 Duo T6600
MSRP: N/A|Avg: $4
1313%
#925
Core i7-6600U
MSRP: N/A|Avg: N/A
100%
#928
A8-6410
MSRP: $100|Avg: $40
99%
#933
Athlon X2 L310
MSRP: $100|Avg: $20
97%
#939
FX-7600P
MSRP: $150|Avg: $45
95%
#940
Athlon II M300
MSRP: $100|Avg: $10
95%
Based on actual market prices and performance synthetic scores.

Performance Per Dollar Core i5-4340M

#362
Atom x5-Z8300
MSRP: $20|Avg: N/A
521%
#363
Atom Z3735G
MSRP: $17|Avg: N/A
513%
#364
Core i5-480M
MSRP: $81|Avg: $77
471%
#365
Core i5-460M
MSRP: $80|Avg: $129
469%
#366
Core i5-2540M
MSRP: $266|Avg: $10
465%
#368
Core i5-450M
MSRP: $32|Avg: $31
449%
#369
Core i3-380M
MSRP: $49|Avg: $25
430%
#370
Core i5-430M
MSRP: N/A|Avg: $33
430%
#371
Core 2 Duo T6600
MSRP: N/A|Avg: $4
418%
#374
Core i5-4340M
MSRP: N/A|Avg: N/A
100%
#375
Pentium Dual Core T3200
MSRP: $64|Avg: $5
100%
Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Trade-off: The Core i5-4340M leads in gaming performance. However, the Core i7-6600U is the stronger candidate for professional workloads, offering 0.8% greater multi-core processing power.
InsightCore i7-6600UCore i5-4340M
Gaming
Lower gaming performance
Superior gaming performance
Workstation
Better multi-core power
Weaker in multi-core tasks
Price
Equivalent pricing
Equivalent pricing
Longevity
🛑 Legacy (Skylake (2015−2016) / 14 nm)
🛑 Legacy (Haswell (2013−2015) / 22 nm)

💎 Value Proposition

InsightCore i7-6600UCore i5-4340M
Cost Efficiency
Lower cost efficiency
Lower cost efficiency
Upfront Cost
Equivalent pricing
Equivalent pricing

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 Core i7-6600U and Core i5-4340M

Intel

Core i7-6600U

The Core i7-6600U is manufactured by Intel. It was released in 1 September 2015 (10 years ago). It is based on the Skylake (2015−2016) architecture. It features 2 cores and 4 threads. Base frequency is 2.6 GHz, with boost up to 3.4 GHz. L3 cache: 4 MB. L2 cache: 512 kB. Built on 14 nm process technology. Socket: BGA1356. Thermal design power (TDP): 15 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 3,407 points. Launch price was $393.

Intel

Core i5-4340M

The Core i5-4340M is manufactured by Intel. It was released in 19 January 2014 (11 years ago). It is based on the Haswell (2013−2015) architecture. It features 2 cores and 4 threads. Base frequency is 2.9 GHz, with boost up to 3.6 GHz. L3 cache: 3 MB. L2 cache: 512 kB. Built on 22 nm process technology. Socket: PGA946. Thermal design power (TDP): 37 Watt. Memory support: DDR3. Passmark benchmark score: 3,380 points. Launch price was $266.

Processing Power

Both the Core i7-6600U and Core i5-4340M share an identical 2-core/4-thread configuration. Boost clocks reach 3.4 GHz on the Core i7-6600U versus 3.6 GHz on the Core i5-4340M — a 5.7% clock advantage for the Core i5-4340M (base: 2.6 GHz vs 2.9 GHz). The Core i7-6600U uses the Skylake (2015−2016) architecture (14 nm), while the Core i5-4340M uses Haswell (2013−2015) (22 nm). In PassMark, the Core i7-6600U scores 3,407 against the Core i5-4340M's 3,380 — a 0.8% lead for the Core i7-6600U. L3 cache: 4 MB on the Core i7-6600U vs 3 MB on the Core i5-4340M.

FeatureCore i7-6600UCore i5-4340M
Cores / Threads
2 / 4
2 / 4
Boost Clock
3.4 GHz
3.6 GHz+6%
Base Clock
2.6 GHz
2.9 GHz+12%
L3 Cache
4 MB+33%
3 MB
L2 Cache
512 kB
512 kB
Process
14 nm-36%
22 nm
Architecture
Skylake (2015−2016)
Haswell (2013−2015)
PassMark
3,407
3,380
🧠

Memory & Platform

The Core i7-6600U uses the BGA1356 socket (PCIe 3.0), while the Core i5-4340M uses PGA946 (PCIe 3.0) — making them incompatible on the same motherboard.

FeatureCore i7-6600UCore i5-4340M
Socket
BGA1356
PGA946
PCIe Generation
PCIe 3.0
PCIe 3.0