Core i5-4350U vs Core i7-2640M

Core i5-4350U

2 Cores4 Thrd512 WWMax: 2.9 GHz2013

Core i7-2640M

2 Cores4 Thrd35 WWMax: 3.5 GHz2011

Performance Spectrum - CPU

Core i5-4350U

2 / 4

2,425

0.0%

2,445

+0.8%

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 i5-4350U is positioned at rank 463 and the Core i7-2640M is on rank 1159, so the Core i5-4350U 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 i5-4350U

#144

Core i7-12650H

MSRP: $457|Avg: N/A

98%

#451

Atom x5-Z8300

MSRP: $20|Avg: N/A

605%

#452

Atom Z3735G

MSRP: $17|Avg: N/A

596%

#453

Core i5-480M

MSRP: $81|Avg: $77

547%

#454

Core i5-460M

MSRP: $80|Avg: $129

545%

#455

Core i5-2540M

MSRP: $266|Avg: $10

540%

#457

Core i5-450M

MSRP: $32|Avg: $31

521%

#458

Core i3-380M

MSRP: $49|Avg: $25

500%

#459

Core i5-430M

MSRP: N/A|Avg: $33

499%

#460

Core 2 Duo T6600

MSRP: N/A|Avg: $4

486%

#463

Core i5-4350U

MSRP: N/A|Avg: N/A

100%

#472

Ryzen Embedded R1505G

MSRP: $80|Avg: $80

98%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Core i7-2640M

#1147

Atom x5-Z8300

MSRP: $20|Avg: N/A

4150%

#1148

Atom Z3735G

MSRP: $17|Avg: N/A

4089%

#1149

Core i5-480M

MSRP: $81|Avg: $77

3754%

#1150

Core i5-460M

MSRP: $80|Avg: $129

3737%

#1151

Core i5-2540M

MSRP: $266|Avg: $10

3703%

#1153

Core i5-450M

MSRP: $32|Avg: $31

3576%

#1154

Core i3-380M

MSRP: $49|Avg: $25

3429%

#1155

Core i5-430M

MSRP: N/A|Avg: $33

3423%

#1156

Core 2 Duo T6600

MSRP: N/A|Avg: $4

3331%

#1159

Core i7-2640M

MSRP: $346|Avg: N/A

100%

#1161

Core M-5Y71

MSRP: $281|Avg: $281

99%

#1162

Core i7-2620M

MSRP: $346|Avg: N/A

99%

#1164

Celeron N3010

MSRP: $107|Avg: N/A

97%

#1165

Core i7-3537U

MSRP: $346|Avg: N/A

96%

#1166

Core M-5Y10a

MSRP: $281|Avg: $281

96%

#1167

Core M-5Y31

MSRP: $281|Avg: $30

96%

#1168

Core M-5Y10c

MSRP: $281|Avg: $281

96%

#1170

Celeron 1047UE

MSRP: $100|Avg: $100

95%

#1171

Core M-5Y70

MSRP: $281|Avg: $281

95%

#1172

Celeron U3400

MSRP: $86|Avg: $5

95%

#1173

Celeron T1600

MSRP: $107|Avg: $15

94%

#1174

Pro A12-8800B

MSRP: $400|Avg: $40

94%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Leadership: The Core i7-2640M delivers superior performance across the board. It outperforms the Core i5-4350U in both compute-intensive tasks (0.8% faster) and gaming workloads.

Insight	Core i5-4350U	Core i7-2640M
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	✅ More affordable ($0)	⚠️ Higher cost ($346)
Longevity	🛑 Legacy (Haswell (2013−2015) / 22 nm)	🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm)

💎 Value Proposition

Insight	Core i5-4350U	Core i7-2640M
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	✅ More affordable ($0)	⚠️ Higher cost ($346)

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.

Core i5-4350U Benchmark Check

Core i7-2640M Benchmark Check

Technical Specifications

Side-by-side comparison of Core i5-4350U and Core i7-2640M

Core i5-4350U

The Core i5-4350U is manufactured by Intel. It was released in 4 June 2013 (12 years ago). It is based on the Haswell (2013−2015) architecture. It features 2 cores and 4 threads. Base frequency is 1.4 GHz, with boost up to 2.9 GHz. L3 cache: 3 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 15 Watt. Memory support: DDR3. Passmark benchmark score: 2,425 points. Launch price was $342.

Core i7-2640M

The Core i7-2640M is manufactured by Intel. It was released in 4 September 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 4 threads. Base frequency is 2.8 GHz, with boost up to 3.5 GHz. L3 cache: 4 MB. L2 cache: 512 kB. Built on 32 nm process technology. Socket: PGA988. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 2,445 points. Launch price was $346.

⚡

Processing Power

Both the Core i5-4350U and Core i7-2640M share an identical 2-core/4-thread configuration. Boost clocks reach 2.9 GHz on the Core i5-4350U versus 3.5 GHz on the Core i7-2640M — a 18.8% clock advantage for the Core i7-2640M (base: 1.4 GHz vs 2.8 GHz). The Core i5-4350U uses the Haswell (2013−2015) architecture (22 nm), while the Core i7-2640M uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Core i5-4350U scores 2,425 against the Core i7-2640M's 2,445 — a 0.8% lead for the Core i7-2640M. L3 cache: 3 MB (total) on the Core i5-4350U vs 4 MB on the Core i7-2640M.

Feature	Core i5-4350U	Core i7-2640M
Cores / Threads	2 / 4	2 / 4
Boost Clock	2.9 GHz	3.5 GHz+21%
Base Clock	1.4 GHz	2.8 GHz+100%
L3 Cache	3 MB (total)	4 MB+33%
L2 Cache	256K (per core)	512 kB+100%
Process	22 nm-31%	32 nm
Architecture	Haswell (2013−2015)	Sandy Bridge (2011−2013)
PassMark	2,425	2,445
Geekbench 6 Single	—	563
Geekbench 6 Multi	—	1,184

🧠

Memory & Platform

The Core i5-4350U uses the FCBGA1168 socket (PCIe 3.0), while the Core i7-2640M uses PGA988 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	Core i5-4350U	Core i7-2640M
Socket	FCBGA1168	PGA988
PCIe Generation	PCIe 3.0+50%	PCIe 2.0
Max RAM Speed	—	1333
Max RAM Capacity	—	16
RAM Channels	—	2
ECC Support	—	❌
PCIe Lanes	—	16

🔧

Advanced Features

Virtualization: not specified (Core i5-4350U) / true (Core i7-2640M). The Core i7-2640M includes integrated graphics (Intel HD Graphics 3000), while the Core i5-4350U requires a dedicated GPU. Direct competitor: Core i7-2640M rivals Phenom II Black Edition N660.