Core i7-920 vs Core i5-5257U

Core i7-920

4 Cores8 Thrd1 WWMax: 2.93 GHz2008

Core i5-5257U

2 Cores4 Thrd512 WWMax: 3.1 GHz2015

Performance Spectrum - CPU

Core i7-920

4 / 8

2,866

+1.0%

Pentium Dual Core T2370

2,837

0.0%

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 i7-920 is positioned at rank 997 and the Core i5-5257U is on rank 725, so the Core i5-5257U 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 i7-920

Ryzen 9 7950X

MSRP: $194|Avg: $20

30893%

Core i9-10900T

MSRP: $120|Avg: $5

29191%

Ryzen 3 PRO 4355GE

MSRP: $423|Avg: $5

21195%

Ryzen Threadripper 3960X

MSRP: $1399|Avg: $85

6385%

Ryzen 9 9950X

MSRP: $649|Avg: $129

5058%

Ryzen 5 8400F

MSRP: $303|Avg: $55

4425%

Ryzen 7 PRO 2700

MSRP: $299|Avg: $60

2534%

Ryzen 5 2600X

MSRP: $229|Avg: $55

2501%

Ryzen 3 PRO 5350G

MSRP: $150|Avg: $60

2277%

#10

Core Ultra 5 245KF

MSRP: $294|Avg: $189

2277%

#11

Ryzen 5 5500

MSRP: $159|Avg: $85

2252%

#12

Ryzen 5 3600

MSRP: $199|Avg: $80

2191%

#13

Core i3-9100E

MSRP: $202|Avg: $30

2160%

#14

Core Ultra 5 245K

MSRP: $319|Avg: $200

2152%

#15

Core i3-8300T

MSRP: $138|Avg: $25

2132%

#997

Core i7-920

MSRP: $284|Avg: $79

100%

#998

Core i7-4960X

MSRP: $990|Avg: $136

100%

#999

Pentium Dual-Core E2200

MSRP: $100|Avg: $25

98%

#1001

Core 2 Duo E4400

MSRP: $113|Avg: $20

96%

#1002

Pentium D 915

MSRP: $74|Avg: $10

94%

#1003

Core 2 Quad Q9400

MSRP: $229|Avg: $25

93%

#1004

Core i5-655K

MSRP: $216|Avg: $55

93%

#1005

Celeron 450

MSRP: $53|Avg: $5

93%

#1006

Core 2 Duo E4600

MSRP: $133|Avg: $9.6

92%

#1008

Core i7-870S

MSRP: $300|Avg: $80

91%

#1009

Core 2 Duo E6540

MSRP: $163|Avg: $15

91%

#1010

Celeron 430

MSRP: $49|Avg: $10

91%

#1011

Athlon X2 BE-2300

MSRP: $100|Avg: $80

90%

#1012

Core i7-875K

MSRP: $353|Avg: $175

89%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Core i5-5257U

#713

Atom x5-Z8300

MSRP: $20|Avg: N/A

1034%

#714

Atom Z3735G

MSRP: $17|Avg: N/A

1019%

#715

Core i5-480M

MSRP: $81|Avg: $77

935%

#716

Core i5-460M

MSRP: $80|Avg: $129

931%

#717

Core i5-2540M

MSRP: $266|Avg: $10

923%

#719

Core i5-450M

MSRP: $32|Avg: $31

891%

#720

Core i3-380M

MSRP: $49|Avg: $25

854%

#721

Core i5-430M

MSRP: N/A|Avg: $33

853%

#722

Core 2 Duo T6600

MSRP: N/A|Avg: $4

830%

#725

Core i5-5257U

MSRP: N/A|Avg: N/A

100%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Generational Difference: This comparison involves processors from different technological eras. The Core i5-5257U (2015) utilizes 14 nm technology and DDR3, providing a fundamental performance advantage.

Insight	Core i7-920	Core i5-5257U
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	✅ Better multi-core power	❌ Weaker in multi-core tasks
Price	⚠️ Higher cost ($79)	✅ More affordable ($0)
Longevity	🛑 Legacy (Bloomfield (2008−2010) / 45 nm)	🛑 Legacy (Broadwell-U (2015) / 14 nm)

💎 Value Proposition

The Core i7-920 (2008) relies on 45 nm technology and DDR3, placing it in a different performance category relative to modern standards.

Insight	Core i7-920	Core i5-5257U
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	⚠️ Higher cost ($79)	✅ 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 i7-920 Benchmark Check

Core i5-5257U Benchmark Check

Technical Specifications

Side-by-side comparison of Core i7-920 and Core i5-5257U

Core i7-920

The Core i7-920 is manufactured by Intel. It was released in Novembro 2008 (17 years ago). It is based on the Bloomfield (2008−2010) architecture. It features 4 cores and 8 threads. Base frequency is 2.66 GHz, with boost up to 2.93 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 45 nm process technology. Socket: LGA1366. Thermal design power (TDP): 130 Watt. Memory support: DDR3. Passmark benchmark score: 2,866 points. Launch price was $340.

Core i5-5257U

The Core i5-5257U 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 2.7 GHz, with boost up to 3.1 GHz. L3 cache: 3 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 28 Watt. Memory support: DDR3. Passmark benchmark score: 2,837 points. Launch price was $315.

⚡

Processing Power

The Core i7-920 packs 4 cores / 8 threads, while the Core i5-5257U offers 2 cores / 4 threads — the Core i7-920 has 2 more cores. Boost clocks reach 2.93 GHz on the Core i7-920 versus 3.1 GHz on the Core i5-5257U — a 5.6% clock advantage for the Core i5-5257U (base: 2.66 GHz vs 2.7 GHz). The Core i7-920 uses the Bloomfield (2008−2010) architecture (45 nm), while the Core i5-5257U uses Broadwell-U (2015) (14 nm). In PassMark, the Core i7-920 scores 2,866 against the Core i5-5257U's 2,837 — a 1% lead for the Core i7-920. L3 cache: 8 MB (total) on the Core i7-920 vs 3 MB (total) on the Core i5-5257U.

Feature	Core i7-920	Core i5-5257U
Cores / Threads	4 / 8+100%	2 / 4
Boost Clock	2.93 GHz	3.1 GHz+6%
Base Clock	2.66 GHz	2.7 GHz+2%
L3 Cache	8 MB (total)+167%	3 MB (total)
L2 Cache	256 kB (per core)	256K (per core)
Process	45 nm	14 nm-69%
Architecture	Bloomfield (2008−2010)	Broadwell-U (2015)
PassMark	2,866+1%	2,837
Geekbench 6 Single	—	950
Geekbench 6 Multi	—	1,900

🧠

Memory & Platform

The Core i7-920 uses the LGA1366 socket (PCIe 2.0), while the Core i5-5257U uses FCBGA1168 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Core i7-920	Core i5-5257U
Socket	LGA1366	FCBGA1168
PCIe Generation	PCIe 2.0	PCIe 3.0+50%
Max RAM Speed	—	LPDDR3 1866 MHz
Max RAM Capacity	—	16 GB
RAM Channels	—	2
ECC Support	—	❌
PCIe Lanes	—	12

🔧

Advanced Features

Virtualization: not specified (Core i7-920) / true (Core i5-5257U). The Core i5-5257U includes integrated graphics (Intel Iris Graphics 6100), while the Core i7-920 requires a dedicated GPU. Primary use case: Core i5-5257U targets Mobile.