Core i5-5350U vs Core i7-3687U

CPU

GPU

Core i5-5350U

2 Cores4 Thrd512 WWMax: 2.9 GHz2015

Core i7-3687U

2 Cores4 Thrd512 WWMax: 3.3 GHz2013

Performance Spectrum - CPU

Core i5-5350U

2 / 4

2,589

0.0%

2,621

+1.2%

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 i5-5350U is positioned at rank 1126 and the Core i7-3687U is on rank 654, so the Core i7-3687U 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 i5-5350U

#1114

Atom x5-Z8300

MSRP: $20|Avg: N/A

3569%

#1115

Atom Z3735G

MSRP: $17|Avg: N/A

3517%

#1116

Core i5-480M

MSRP: $81|Avg: $77

3229%

#1117

Core i5-460M

MSRP: $80|Avg: $129

3214%

#1118

Core i5-2540M

MSRP: $266|Avg: $10

3185%

#1120

Core i5-450M

MSRP: $32|Avg: $31

3075%

#1121

Core i3-380M

MSRP: $49|Avg: $25

2949%

#1122

Core i5-430M

MSRP: N/A|Avg: $33

2944%

#1123

Core 2 Duo T6600

MSRP: N/A|Avg: $4

2865%

#1126

Core i5-5350U

MSRP: $315|Avg: N/A

100%

#1127

Pentium Dual Core T4300

MSRP: $150|Avg: $99

100%

#1128

Core i3-4100E

MSRP: $225|Avg: $30

100%

#1129

Core i7-3520M

MSRP: $346|Avg: N/A

100%

#1130

Core i3-2310E

MSRP: $225|Avg: $20

100%

#1131

Core i5-2510E

MSRP: $230|Avg: $30

100%

#1132

Core m5-6Y54

MSRP: $281|Avg: $281

99%

#1133

Core i3-2330E

MSRP: $225|Avg: $10

99%

#1135

Core i5-4288U

MSRP: $342|Avg: N/A

95%

#1136

Core m3-6Y30

MSRP: $281|Avg: $281

94%

#1137

Core i3-2340UE

MSRP: $200|Avg: $200

94%

#1138

Core i7-2820QM

MSRP: $568|Avg: N/A

94%

#1139

Core i5-520M

MSRP: $225|Avg: N/A

93%

#1141

Celeron 807

MSRP: $70|Avg: $10

93%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Core i7-3687U

#642

Atom x5-Z8300

MSRP: $20|Avg: N/A

896%

#643

Atom Z3735G

MSRP: $17|Avg: N/A

882%

#644

Core i5-480M

MSRP: $81|Avg: $77

810%

#645

Core i5-460M

MSRP: $80|Avg: $129

806%

#646

Core i5-2540M

MSRP: $266|Avg: $10

799%

#648

Core i5-450M

MSRP: $32|Avg: $31

772%

#649

Core i3-380M

MSRP: $49|Avg: $25

740%

#650

Core i5-430M

MSRP: N/A|Avg: $33

739%

#651

Core 2 Duo T6600

MSRP: N/A|Avg: $4

719%

#654

Core i7-3687U

MSRP: N/A|Avg: N/A

100%

#662

Athlon II P360

MSRP: $60|Avg: $10

99%

#665

Athlon X2 QL-64

MSRP: $50|Avg: $15

99%

#666

Core 3 N350

MSRP: $225|Avg: $220

98%

#668

FX-7500

MSRP: $100|Avg: $25

98%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Leadership: The Core i7-3687U delivers superior performance across the board. It outperforms the Core i5-5350U in both compute-intensive tasks (1.2% faster) and gaming workloads.

Insight	Core i5-5350U	Core i7-3687U
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	⚠️ Higher cost ($315)	✅ More affordable ($0)
Longevity	🛑 Legacy (Broadwell-U (2015) / 14 nm)	🛑 Legacy (Ivy Bridge (2012−2013) / 22 nm)

💎 Value Proposition

Insight	Core i5-5350U	Core i7-3687U
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	⚠️ Higher cost ($315)	✅ 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.

Core i5-5350U Benchmark Check

Core i7-3687U Benchmark Check

Technical Specifications

Side-by-side comparison of Core i5-5350U and Core i7-3687U

Core i5-5350U

The Core i5-5350U is manufactured by Intel. It was released in 1 March 2015 (10 years ago). It is based on the Broadwell-U (2015) architecture. It features 2 cores and 4 threads. Base frequency is 1.8 GHz, with boost up to 2.9 GHz. L3 cache: 3 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 15 Watt. Memory support: DDR3. Passmark benchmark score: 2,589 points. Launch price was $315.

Core i7-3687U

The Core i7-3687U is manufactured by Intel. It was released in 8 January 2013 (12 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 2 cores and 4 threads. Base frequency is 2.1 GHz, with boost up to 3.3 GHz. L3 cache: 4 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: BGA1023. Thermal design power (TDP): 17 Watt. Memory support: DDR3. Passmark benchmark score: 2,621 points. Launch price was $69.

⚡

Processing Power

Both the Core i5-5350U and Core i7-3687U share an identical 2-core/4-thread configuration. Boost clocks reach 2.9 GHz on the Core i5-5350U versus 3.3 GHz on the Core i7-3687U — a 12.9% clock advantage for the Core i7-3687U (base: 1.8 GHz vs 2.1 GHz). The Core i5-5350U uses the Broadwell-U (2015) architecture (14 nm), while the Core i7-3687U uses Ivy Bridge (2012−2013) (22 nm). In PassMark, the Core i5-5350U scores 2,589 against the Core i7-3687U's 2,621 — a 1.2% lead for the Core i7-3687U. L3 cache: 3 MB (total) on the Core i5-5350U vs 4 MB (total) on the Core i7-3687U.

Feature	Core i5-5350U	Core i7-3687U
Cores / Threads	2 / 4	2 / 4
Boost Clock	2.9 GHz	3.3 GHz+14%
Base Clock	1.8 GHz	2.1 GHz+17%
L3 Cache	3 MB (total)	4 MB (total)+33%
L2 Cache	256K (per core)	256K (per core)
Process	14 nm-36%	22 nm
Architecture	Broadwell-U (2015)	Ivy Bridge (2012−2013)
PassMark	2,589	2,621+1%
Geekbench 6 Single	—	640
Geekbench 6 Multi	—	1,240

🧠

Memory & Platform

The Core i5-5350U uses the FCBGA1168 socket (PCIe 3.0), while the Core i7-3687U uses BGA1023 (PCIe 3.0) — making them incompatible on the same motherboard. Both support up to LPDDR3-1866 memory speed. The Core i7-3687U supports up to 32 GB of RAM compared to 16 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 12 (Core i5-5350U) vs 16 (Core i7-3687U) — the Core i7-3687U offers 4 more lanes for additional GPUs or NVMe drives.

Feature	Core i5-5350U	Core i7-3687U
Socket	FCBGA1168	BGA1023
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	LPDDR3-1866	DDR3L-1600
Max RAM Capacity	16 GB	32 GB+100%
RAM Channels	2	2
ECC Support	❌	❌
PCIe Lanes	12	16+33%

🔧

Advanced Features

Neither processor supports overclocking. Both support VT-x, VT-d virtualization. Both include integrated graphics — HD Graphics 6000 (Core i5-5350U) and HD Graphics 4000 (Core i7-3687U) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i5-5350U targets Mobile, Core i7-3687U targets Enthusiast. Direct competitor: Core i7-3687U rivals Ryzen 7 3700U.