Core i5-1155G7
VS
Core i3-N305

Core i5-1155G7 vs Core i3-N305

Intel

Core i5-1155G7

4 Cores8 Thrd28 WWMax: 4.5 GHz2021
VS
Intel

Core i3-N305

8 Cores8 Thrd15 WWMax: 3.8 GHz2023

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 i5-1155G7 is positioned at rank 677 and the Core i3-N305 is on rank 681, so the Core i5-1155G7 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 i5-1155G7

#664
Atom x5-Z8300
MSRP: $20|Avg: N/A
936%
#665
Atom Z3735G
MSRP: $17|Avg: N/A
922%
#666
Core i5-480M
MSRP: $81|Avg: $77
847%
#667
Core i5-460M
MSRP: $80|Avg: $129
843%
#668
Core i5-2540M
MSRP: $266|Avg: $10
835%
#670
Core i5-450M
MSRP: $32|Avg: $31
806%
#671
Core i3-380M
MSRP: $49|Avg: $25
773%
#672
Core i5-430M
MSRP: N/A|Avg: $33
772%
#673
Core 2 Duo T6600
MSRP: N/A|Avg: $4
751%
#677
Core i5-1155G7
MSRP: N/A|Avg: N/A
100%
#680
Core i3-N305
MSRP: $309|Avg: $309
99%
Based on actual market prices and performance synthetic scores.

Performance Per Dollar Core i3-N305

#669
Atom x5-Z8300
MSRP: $20|Avg: N/A
944%
#670
Atom Z3735G
MSRP: $17|Avg: N/A
930%
#671
Core i5-480M
MSRP: $81|Avg: $77
854%
#672
Core i5-460M
MSRP: $80|Avg: $129
850%
#673
Core i5-2540M
MSRP: $266|Avg: $10
843%
#675
Core i5-450M
MSRP: $32|Avg: $31
814%
#676
Core i3-380M
MSRP: $49|Avg: $25
780%
#677
Core i5-430M
MSRP: N/A|Avg: $33
779%
#678
Core 2 Duo T6600
MSRP: N/A|Avg: $4
758%
#681
Core i3-N305
MSRP: $309|Avg: $309
100%
#695
Processor N95
MSRP: $160|Avg: $80
96%
Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Leadership: The Core i5-1155G7 delivers superior performance across the board. It outperforms the Core i3-N305 in both compute-intensive tasks (0.9% faster) and gaming workloads.
InsightCore i5-1155G7Core i3-N305
Gaming
Superior gaming performance
Lower gaming performance
Workstation
Better multi-core power
Weaker in multi-core tasks
Price
More affordable ($0)
⚠️ Higher cost ($309)
Longevity
✨ Modern (Tiger Lake-UP3 (2020−2021) / 10 nm SuperFin)
✨ Modern (Alder Lake-N (2023) / Intel 7 nm)

💎 Value Proposition

InsightCore i5-1155G7Core i3-N305
Cost Efficiency
Lower cost efficiency
Lower cost efficiency
Upfront Cost
More affordable ($0)
⚠️ Higher cost ($309)

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 i5-1155G7 and Core i3-N305

Intel

Core i5-1155G7

The Core i5-1155G7 is manufactured by Intel. It was released in 31 May 2021 (4 years ago). It is based on the Tiger Lake-UP3 (2020−2021) architecture. It features 4 cores and 8 threads. Base frequency is 2.5 GHz, with boost up to 4.5 GHz. L3 cache: 8 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm SuperFin process technology. Socket: FCBGA1449. Thermal design power (TDP): 28 Watt. Memory support: DDR4. Passmark benchmark score: 9,686 points. Launch price was $309.

Intel

Core i3-N305

The Core i3-N305 is manufactured by Intel. It was released in 3 January 2023 (2 years ago). It is based on the Alder Lake-N (2023) architecture. It features 8 cores and 8 threads. Base frequency is 0.1 GHz, with boost up to 3.8 GHz. L3 cache: 6 MB (total). L2 cache: 2 MB (per module). Built on Intel 7 nm process technology. Socket: FCBGA1264. Thermal design power (TDP): 15 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 9,600 points. Launch price was $309.

Processing Power

The Core i5-1155G7 packs 4 cores / 8 threads, while the Core i3-N305 offers 8 cores / 8 threads — the Core i3-N305 has 4 more cores. Boost clocks reach 4.5 GHz on the Core i5-1155G7 versus 3.8 GHz on the Core i3-N305 — a 16.9% clock advantage for the Core i5-1155G7 (base: 2.5 GHz vs 0.1 GHz). The Core i5-1155G7 uses the Tiger Lake-UP3 (2020−2021) architecture (10 nm SuperFin), while the Core i3-N305 uses Alder Lake-N (2023) (Intel 7 nm). In PassMark, the Core i5-1155G7 scores 9,686 against the Core i3-N305's 9,600 — a 0.9% lead for the Core i5-1155G7. L3 cache: 8 MB (total) on the Core i5-1155G7 vs 6 MB (total) on the Core i3-N305.

FeatureCore i5-1155G7Core i3-N305
Cores / Threads
4 / 8
8 / 8+100%
Boost Clock
4.5 GHz+18%
3.8 GHz
Base Clock
2.5 GHz+2400%
0.1 GHz
L3 Cache
8 MB (total)+33%
6 MB (total)
L2 Cache
1.25 MB (per core)
2 MB (per module)+60%
Process
10 nm SuperFin
Intel 7 nm-30%
Architecture
Tiger Lake-UP3 (2020−2021)
Alder Lake-N (2023)
PassMark
9,686
9,600
🧠

Memory & Platform

The Core i5-1155G7 uses the FCBGA1449 socket (PCIe 4.0), while the Core i3-N305 uses FCBGA1264 (PCIe 5.0) — making them incompatible on the same motherboard.

FeatureCore i5-1155G7Core i3-N305
Socket
FCBGA1449
FCBGA1264
PCIe Generation
PCIe 4.0
PCIe 5.0+25%