Core i3-5157U
VS
Core 2 Duo P8600

Core i3-5157U vs Core 2 Duo P8600

Intel

Core i3-5157U

2 Cores4 Thrd512 WWMax: 2.5 GHz2015
VS
Intel

Core 2 Duo P8600

2 Cores2 Thrd3 WWMax: 2.4 GHz2008

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 i3-5157U is positioned at rank 663 and the Core 2 Duo P8600 is on rank 160, so the Core 2 Duo P8600 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 i3-5157U

#651
Atom x5-Z8300
MSRP: $20|Avg: N/A
905%
#652
Atom Z3735G
MSRP: $17|Avg: N/A
892%
#653
Core i5-480M
MSRP: $81|Avg: $77
819%
#654
Core i5-460M
MSRP: $80|Avg: $129
815%
#655
Core i5-2540M
MSRP: $266|Avg: $10
808%
#657
Core i5-450M
MSRP: $32|Avg: $31
780%
#658
Core i3-380M
MSRP: $49|Avg: $25
748%
#659
Core i5-430M
MSRP: N/A|Avg: $33
747%
#660
Core 2 Duo T6600
MSRP: N/A|Avg: $4
727%
#663
Core i3-5157U
MSRP: N/A|Avg: N/A
100%
#665
Athlon X2 QL-64
MSRP: $50|Avg: $15
100%
#666
Core 3 N350
MSRP: $225|Avg: $220
99%
#668
FX-7500
MSRP: $100|Avg: $25
99%
Based on actual market prices and performance synthetic scores.

Performance Per Dollar Core 2 Duo P8600

#148
Atom x5-Z8300
MSRP: $20|Avg: N/A
336%
#149
Atom Z3735G
MSRP: $17|Avg: N/A
331%
#150
Core i5-480M
MSRP: $81|Avg: $77
304%
#151
Core i5-460M
MSRP: $80|Avg: $129
303%
#152
Core i5-2540M
MSRP: $266|Avg: $10
300%
#154
Core i5-450M
MSRP: $32|Avg: $31
290%
#155
Core i3-380M
MSRP: $49|Avg: $25
278%
#156
Core i5-430M
MSRP: N/A|Avg: $33
277%
#157
Core 2 Duo T6600
MSRP: N/A|Avg: $4
270%
#160
Core 2 Duo P8600
MSRP: N/A|Avg: N/A
100%
#173
Celeron N3060
MSRP: $107|Avg: N/A
97%
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 i3-5157U (2015) utilizes 14 nm technology and DDR3, providing a fundamental performance advantage.
InsightCore i3-5157UCore 2 Duo P8600
Gaming
Superior gaming performance
Lower gaming performance
Workstation
Weaker in multi-core tasks
Better multi-core power
Price
Equivalent pricing
Equivalent pricing
Longevity
🛑 Legacy (Broadwell-U (2015) / 14 nm)
🛑 Legacy (Penryn (2008−2011) / 45 nm)

💎 Value Proposition

The Core 2 Duo P8600 (2008) relies on 45 nm technology and older memory, placing it in a different performance category relative to modern standards.
InsightCore i3-5157UCore 2 Duo P8600
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 i3-5157U and Core 2 Duo P8600

Intel

Core i3-5157U

The Core i3-5157U 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 2.5 GHz, with boost up to 2.5 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: 2,593 points. Launch price was $315.

Intel

Core 2 Duo P8600

The Core 2 Duo P8600 is manufactured by Intel. It was released in 15 July 2008 (17 years ago). It is based on the Penryn (2008−2011) architecture. It features 2 cores and 2 threads. Base frequency is 2.4 GHz, with boost up to 2.4 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: 2,618 points. Launch price was $209.

Processing Power

The Core i3-5157U packs 2 cores / 4 threads, matching the Core 2 Duo P8600's 2 cores. Boost clocks reach 2.5 GHz on the Core i3-5157U versus 2.4 GHz on the Core 2 Duo P8600 — a 4.1% clock advantage for the Core i3-5157U (base: 2.5 GHz vs 2.4 GHz). The Core i3-5157U uses the Broadwell-U (2015) architecture (14 nm), while the Core 2 Duo P8600 uses Penryn (2008−2011) (45 nm). In PassMark, the Core i3-5157U scores 2,593 against the Core 2 Duo P8600's 2,618 — a 1% lead for the Core 2 Duo P8600. L3 cache: 3 MB (total) on the Core i3-5157U vs 3 MB L2 Cache on the Core 2 Duo P8600.

FeatureCore i3-5157UCore 2 Duo P8600
Cores / Threads
2 / 4
2 / 2
Boost Clock
2.5 GHz+4%
2.4 GHz
Base Clock
2.5 GHz+4%
2.4 GHz
L3 Cache
3 MB (total)
3 MB L2 Cache
L2 Cache
256K (per core)
3 MB+1100%
Process
14 nm-69%
45 nm
Architecture
Broadwell-U (2015)
Penryn (2008−2011)
PassMark
2,593
2,618
Geekbench 6 Single
793
🧠

Memory & Platform

The Core i3-5157U uses the FCBGA1168 socket (PCIe 3.0), while the Core 2 Duo P8600 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard. Both support up to LPDDR3-1866 memory speed. The Core i3-5157U supports up to 16 GB of RAM compared to 8 GB 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 12 (Core i3-5157U) vs 16 (Core 2 Duo P8600) — the Core 2 Duo P8600 offers 4 more lanes for additional GPUs or NVMe drives.

FeatureCore i3-5157UCore 2 Duo P8600
Socket
FCBGA1168
PGA478
PCIe Generation
PCIe 3.0+173%
PCIe 1.1
Max RAM Speed
LPDDR3-1866
DDR3-1066
Max RAM Capacity
16 GB+100%
8 GB
RAM Channels
2
2
ECC Support
PCIe Lanes
12
16+33%
🔧

Advanced Features

Neither processor supports overclocking. Virtualization support: VT-x, VT-d, EPT (Core i3-5157U) vs VT-x (Core 2 Duo P8600). The Core i3-5157U includes integrated graphics (Iris Graphics 6100), while the Core 2 Duo P8600 requires a dedicated GPU. Primary use case: Core i3-5157U targets Premium Laptop. Direct competitor: Core i3-5157U rivals A12-8800B.

FeatureCore i3-5157UCore 2 Duo P8600
Integrated GPU
Yes
No
IGPU Model
Iris Graphics 6100
Unlocked
No
No
AVX-512
No
No
Virtualization
VT-x, VT-d, EPT
VT-x
Target Use
Premium Laptop