Core 2 Duo P8700
VS
Core i5-5257U

Core 2 Duo P8700 vs Core i5-5257U

Intel

Core 2 Duo P8700

2 Cores2 Thrd3 WWMax: 2.53 GHz2009
VS
Intel

Core i5-5257U

2 Cores4 Thrd512 WWMax: 3.1 GHz2015

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 2 Duo P8700 is positioned at rank 140 and the Core i5-5257U is on rank 725, so the Core 2 Duo P8700 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 2 Duo P8700

#36
Core i5-11500B
MSRP: $185|Avg: $185
99%
#128
Atom x5-Z8300
MSRP: $20|Avg: N/A
314%
#129
Atom Z3735G
MSRP: $17|Avg: N/A
309%
#130
Core i5-480M
MSRP: $81|Avg: $77
284%
#131
Core i5-460M
MSRP: $80|Avg: $129
283%
#132
Core i5-2540M
MSRP: $266|Avg: $10
280%
#134
Core i5-450M
MSRP: $32|Avg: $31
270%
#135
Core i3-380M
MSRP: $49|Avg: $25
259%
#136
Core i5-430M
MSRP: N/A|Avg: $33
259%
#137
Core 2 Duo T6600
MSRP: N/A|Avg: $4
252%
#140
Core 2 Duo P8700
MSRP: $241|Avg: $85
100%
#147
Atom N2800
MSRP: $47|Avg: $3
98%
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.
InsightCore 2 Duo P8700Core i5-5257U
Gaming
Lower gaming performance
Superior gaming performance
Workstation
Weaker in multi-core tasks
Better multi-core power
Price
⚠️ Higher cost ($85)
More affordable ($0)
Longevity
🛑 Legacy (Penryn (2008−2011) / 45 nm)
🛑 Legacy (Broadwell-U (2015) / 14 nm)

💎 Value Proposition

The Core 2 Duo P8700 (2009) relies on 45 nm technology and older memory, placing it in a different performance category relative to modern standards.
InsightCore 2 Duo P8700Core i5-5257U
Cost Efficiency
Lower cost efficiency
Lower cost efficiency
Upfront Cost
⚠️ Higher cost ($85)
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 Core 2 Duo P8700 and Core i5-5257U

Intel

Core 2 Duo P8700

The Core 2 Duo P8700 is manufactured by Intel. It was released in 1 January 2009 (16 years ago). It is based on the Penryn (2008−2011) architecture. It features 2 cores and 2 threads. Base frequency is 2.53 GHz, with boost up to 2.53 GHz. L3 cache: 3 MB L2 Cache. L2 cache: 3 MB. Built on 45 nm process technology. Socket: PGA478. Thermal design power (TDP): 25 Watt. Passmark benchmark score: 2,805 points. Launch price was $209.

Intel

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 2 Duo P8700 packs 2 cores / 2 threads, matching the Core i5-5257U's 2 cores. Boost clocks reach 2.53 GHz on the Core 2 Duo P8700 versus 3.1 GHz on the Core i5-5257U — a 20.2% clock advantage for the Core i5-5257U (base: 2.53 GHz vs 2.7 GHz). The Core 2 Duo P8700 uses the Penryn (2008−2011) architecture (45 nm), while the Core i5-5257U uses Broadwell-U (2015) (14 nm). In PassMark, the Core 2 Duo P8700 scores 2,805 against the Core i5-5257U's 2,837 — a 1.1% lead for the Core i5-5257U. L3 cache: 3 MB L2 Cache on the Core 2 Duo P8700 vs 3 MB (total) on the Core i5-5257U.

FeatureCore 2 Duo P8700Core i5-5257U
Cores / Threads
2 / 2
2 / 4
Boost Clock
2.53 GHz
3.1 GHz+23%
Base Clock
2.53 GHz
2.7 GHz+7%
L3 Cache
3 MB L2 Cache
3 MB (total)
L2 Cache
3 MB+1100%
256K (per core)
Process
45 nm
14 nm-69%
Architecture
Penryn (2008−2011)
Broadwell-U (2015)
PassMark
2,805
2,837+1%
Geekbench 6 Single
950
Geekbench 6 Multi
1,900
🧠

Memory & Platform

The Core 2 Duo P8700 uses the PGA478 socket (PCIe 1.1), while the Core i5-5257U uses FCBGA1168 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 1066 on the Core 2 Duo P8700 versus LPDDR3 1866 MHz on the Core i5-5257U — the Core i5-5257U supports 187.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-5257U supports up to 16 GB of RAM compared to 8 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Core 2 Duo P8700) vs 12 (Core i5-5257U) — the Core i5-5257U offers 12 more lanes for additional GPUs or NVMe drives. Chipset compatibility: GM45,GS45,PM45 (Core 2 Duo P8700) and Broadwell-U (Core i5-5257U).

FeatureCore 2 Duo P8700Core i5-5257U
Socket
PGA478
FCBGA1168
PCIe Generation
PCIe 1.1
PCIe 3.0+173%
Max RAM Speed
1066+35433%
LPDDR3 1866 MHz
Max RAM Capacity
8
16 GB+209715100%
RAM Channels
2
2
ECC Support
PCIe Lanes
0
12
🔧

Advanced Features

Neither processor supports overclocking. Both support true virtualization. The Core i5-5257U includes integrated graphics (Intel Iris Graphics 6100), while the Core 2 Duo P8700 requires a dedicated GPU. Primary use case: Core i5-5257U targets Mobile. Direct competitor: Core 2 Duo P8700 rivals Turion II Ultra M600.

FeatureCore 2 Duo P8700Core i5-5257U
Integrated GPU
No
Yes
IGPU Model
None
Intel Iris Graphics 6100
Unlocked
No
No
AVX-512
No
No
Virtualization
true
true
Target Use
Mobile