Core i3-N305 vs Core i5-1135G7

Intel

Core i3-N305

8 Cores8 Thrd15 WWMax: 3.8 GHz2023

Popular choices:

VS
Intel

Core i5-1135G7

4 Cores8 Thrd15 WWMax: 4.2 GHz2020

Popular choices:

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.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.

Core i3-N305

2023

Why buy it

  • +2% higher PassMark.
  • Newer platform on FCBGA1264 with DDR5 support instead of FCBGA1449 and DDR4.

Trade-offs

  • Smaller total L3 cache (6 MB vs 8 MB).
  • Launch MSRP is still $309 MSRP, while Core i5-1135G7 mostly shows up through inconsistent older-market listings.
  • No integrated graphics, while Core i5-1135G7 can still boot and troubleshoot without a discrete GPU.

Core i5-1135G7

2020

Why buy it

  • +33.3% larger total L3 cache (8 MB vs 6 MB).
  • 100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
  • Integrated graphics onboard with Iris Xe Graphics (80 EU), while Core i3-N305 needs a discrete GPU.

Trade-offs

  • Lower PassMark (9,414 vs 9,600).
  • Older platform position on FCBGA1449 with DDR4, while Core i3-N305 moves to FCBGA1264 and DDR5.

Quick Answers

So, is Core i3-N305 better than Core i5-1135G7?
It depends on what matters more to you. For gaming, Core i5-1135G7 is ahead with a 2.0% average FPS lead across 4 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i3-N305 pulls ahead with 2% better PassMark. Core i5-1135G7 also has the bigger cache pool with 33.3% larger total L3 cache (8 MB vs 6 MB).
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Core i3-N305 is the better fit. You are getting 2% better PassMark, backed by 8 cores and 8 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Core i3-N305 is the smarter buy today. Core i3-N305 is at an unclear MSRP at $309 MSRP versus unclear MSRP, and it gives you 2% better PassMark. The trade-off is that Core i5-1135G7 is still the better pure gaming CPU with a 2.0% average FPS lead across 4 shared CPU game tests in our data. It is also 100.0% better value on MSRP (31.1 vs 0.0 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play on paper.
Which one is more future-proof for 2026 and beyond?
Core i3-N305 is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2020), a healthier platform with FCBGA1264 and DDR5 instead of FCBGA1449, and more multi-core headroom with 8 cores / 8 threads instead of 4/8. That should give you a better long-term upgrade path for motherboard, RAM, and future CPU swaps.

Games Benchmarks

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.

Path of Exile 2

Path of Exile 2

PresetCore i3-N305Core i5-1135G7
1080p
low177 FPS168 FPS
medium142 FPS137 FPS
high114 FPS107 FPS
ultra91 FPS85 FPS
1440p
low145 FPS145 FPS
medium115 FPS118 FPS
high91 FPS91 FPS
ultra72 FPS72 FPS
4K
low68 FPS68 FPS
medium57 FPS59 FPS
high45 FPS46 FPS
ultra36 FPS36 FPS
Counter-Strike 2

Counter-Strike 2

PresetCore i3-N305Core i5-1135G7
1080p
low157 FPS153 FPS
medium135 FPS129 FPS
high122 FPS118 FPS
ultra99 FPS102 FPS
1440p
low134 FPS135 FPS
medium118 FPS115 FPS
high108 FPS107 FPS
ultra89 FPS92 FPS
4K
low106 FPS106 FPS
medium97 FPS93 FPS
high89 FPS80 FPS
ultra72 FPS67 FPS
League of Legends

League of Legends

PresetCore i3-N305Core i5-1135G7
1080p
low240 FPS235 FPS
medium240 FPS235 FPS
high240 FPS235 FPS
ultra240 FPS235 FPS
1440p
low240 FPS235 FPS
medium240 FPS235 FPS
high240 FPS235 FPS
ultra240 FPS235 FPS
4K
low240 FPS235 FPS
medium240 FPS235 FPS
high240 FPS235 FPS
ultra240 FPS235 FPS
Valorant

Valorant

PresetCore i3-N305Core i5-1135G7
1080p
low240 FPS235 FPS
medium240 FPS235 FPS
high240 FPS235 FPS
ultra240 FPS235 FPS
1440p
low240 FPS235 FPS
medium240 FPS235 FPS
high240 FPS235 FPS
ultra240 FPS235 FPS
4K
low240 FPS235 FPS
medium240 FPS235 FPS
high240 FPS235 FPS
ultra240 FPS235 FPS

Technical Specifications

Side-by-side comparison of Core i3-N305 and Core i5-1135G7

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.

Intel

Core i5-1135G7

The Core i5-1135G7 is manufactured by Intel. It was released in 2 September 2020 (5 years ago). It is based on the Tiger Lake-UP3 (2020−2021) architecture. It features 4 cores and 8 threads. Base frequency is 1.5 GHz, with boost up to 4.2 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): 15 Watt. Memory support: DDR4. Passmark benchmark score: 9,414 points. Launch price was $309.

Processing Power

The Core i3-N305 packs 8 cores / 8 threads, while the Core i5-1135G7 offers 4 cores / 8 threads — the Core i3-N305 has 4 more cores. Boost clocks reach 3.8 GHz on the Core i3-N305 versus 4.2 GHz on the Core i5-1135G7 — a 10% clock advantage for the Core i5-1135G7 (base: 0.1 GHz vs 1.5 GHz). The Core i3-N305 uses the Alder Lake-N (2023) architecture (Intel 7 nm), while the Core i5-1135G7 uses Tiger Lake-UP3 (2020−2021) (10 nm SuperFin). In PassMark, the Core i3-N305 scores 9,600 against the Core i5-1135G7's 9,414 — a 2% lead for the Core i3-N305. L3 cache: 6 MB (total) on the Core i3-N305 vs 8 MB (total) on the Core i5-1135G7.

FeatureCore i3-N305Core i5-1135G7
Cores / Threads
8 / 8+100%
4 / 8
Boost Clock
3.8 GHz
4.2 GHz+11%
Base Clock
0.1 GHz
1.5 GHz+1400%
L3 Cache
6 MB (total)
8 MB (total)+33%
L2 Cache
2 MB (per module)+60%
1.25 MB (per core)
Process
Intel 7 nm-30%
10 nm SuperFin
Architecture
Alder Lake-N (2023)
Tiger Lake-UP3 (2020−2021)
PassMark
9,600+2%
9,414
Cinebench R23 Multi
5,183
Geekbench 6 Single
1,592
Geekbench 6 Multi
4,495
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Memory & Platform

The Core i3-N305 uses the FCBGA1264 socket (PCIe 5.0), while the Core i5-1135G7 uses FCBGA1449 (PCIe 4.0) — making them incompatible on the same motherboard.

FeatureCore i3-N305Core i5-1135G7
Socket
FCBGA1264
FCBGA1449
PCIe Generation
PCIe 5.0+25%
PCIe 4.0
Max RAM Speed
DDR4-3200, LPDDR4x-4267
Max RAM Capacity
64 GB
RAM Channels
2
ECC Support
No
PCIe Lanes
16
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Advanced Features

Virtualization: not specified (Core i3-N305) / VT-x, VT-d, EPT (Core i5-1135G7). The Core i5-1135G7 includes integrated graphics (Iris Xe Graphics (80 EU)), while the Core i3-N305 requires a dedicated GPU. Primary use case: Core i5-1135G7 targets Productivity. Direct competitor: Core i5-1135G7 rivals Ryzen 5 5500U.

FeatureCore i3-N305Core i5-1135G7
Integrated GPU
Yes
IGPU Model
Iris Xe Graphics (80 EU)
Unlocked
No
AVX-512
Yes
Virtualization
VT-x, VT-d, EPT
Target Use
Productivity