Core i3-7100 vs Core i5-3475S

Intel

Core i3-7100

2 Cores4 Thrd51 WWMax: 3.9 GHz2017
Similar parts
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VS
Intel

Core i5-3475S

4 Cores4 Thrd65 WWMax: 3.6 GHz2012
Similar parts
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Core i3-7100 vs Core i5-3475S Performance Spectrum

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.

Core i3-7100 vs Core i5-3475S FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Core i3-7100 vs Core i5-3475S: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Core i3-7100

2017

Why buy it

  • Better for gaming: +5.8% higher average FPS across 50 shared CPU benchmark tests.
  • Costs $132 less on MSRP ($117 MSRP vs $249 MSRP).
  • Delivers 112.4% more PassMark for each dollar spent, at 36.8 vs 17.3 PassMark/$ ($117 MSRP vs $249 MSRP).
  • Draws 51W instead of 65W, a 14W reduction.

Trade-offs

  • Lower PassMark (4,306 vs 4,315).
  • Smaller total L3 cache (3 MB vs 6 MB).
  • No boxed cooler included, unlike Core i5-3475S.

Core i5-3475S

2012

Why buy it

  • +0.2% higher PassMark.
  • +100% larger total L3 cache (6 MB vs 3 MB).
  • Includes a boxed cooler (Yes), unlike Core i3-7100.

Trade-offs

  • Worse for gaming: lower average FPS than Core i3-7100 across 50 shared CPU benchmark tests.
  • Lower PassMark per dollar, at 17.3 vs 36.8 PassMark/$ ($249 MSRP vs $117 MSRP).
  • 27.5% higher power demand at 65W vs 51W.

Quick Answers

So, is Core i3-7100 better than Core i5-3475S?
It depends on what you want from the system. For gaming, Core i3-7100 is ahead with a 5.8% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i5-3475S pulls ahead with 0.2% better PassMark. Core i5-3475S also has the bigger cache pool with 100% larger total L3 cache (6 MB vs 3 MB).
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Core i5-3475S is the stronger fit. You are getting 0.2% better PassMark, backed by 4 cores and 4 threads. It also has the larger cache pool with 100% larger total L3 cache (6 MB vs 3 MB).
Which one is the smarter buy today, not just the cheaper CPU?
Core i3-7100 is the better buy right now. Core i3-7100 comes in $132 cheaper on MSRP at $117 MSRP versus $249 MSRP, and it still gives you a 5.8% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Core i5-3475S is still stronger for heavier multi-core work with 0.2% better PassMark. It is also 112.4% better value on MSRP (36.8 vs 17.3 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.
Which one is more future-proof for 2026 and beyond?
Core i3-7100 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2017 vs 2012). That makes it the safer long-term bet.

Core i3-7100 vs Core i5-3475S Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Intel

Core i3-7100

The Core i3-7100 is manufactured by Intel. It was released in 3 January 2017 (8 years ago). It is based on the Kaby Lake (2016−2019) architecture. It features 2 cores and 4 threads. Base frequency is 3.9 GHz, with boost up to 3.9 GHz. L3 cache: 3 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 51 Watt. Memory support: DDR4. Passmark benchmark score: 4,306 points. Launch price was $117.

Intel

Core i5-3475S

The Core i5-3475S is manufactured by Intel. It was released in 1 June 2012 (13 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 4 cores and 4 threads. Base frequency is 2.9 GHz, with boost up to 3.6 GHz. L3 cache: 6 MB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA1155. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 4,315 points. Launch price was $219.

Processing Power

The Core i3-7100 packs 2 cores / 4 threads, while the Core i5-3475S offers 4 cores / 4 threads — the Core i5-3475S has 2 more cores. Boost clocks reach 3.9 GHz on the Core i3-7100 versus 3.6 GHz on the Core i5-3475S — a 8% clock advantage for the Core i3-7100 (base: 3.9 GHz vs 2.9 GHz). The Core i3-7100 uses the Kaby Lake (2016−2019) architecture (14 nm), while the Core i5-3475S uses Ivy Bridge (2012−2013) (22 nm). In PassMark, the Core i3-7100 scores 4,306 against the Core i5-3475S's 4,315 — a 0.2% lead for the Core i5-3475S. L3 cache: 3 MB (total) on the Core i3-7100 vs 6 MB (total) on the Core i5-3475S.

FeatureCore i3-7100Core i5-3475S
Cores / Threads
2 / 4
4 / 4+100%
Boost Clock
3.9 GHz+8%
3.6 GHz
Base Clock
3.9 GHz+34%
2.9 GHz
L3 Cache
3 MB (total)
6 MB (total)+100%
L2 Cache
256K (per core)
256 kB (per core)
Process
14 nm-36%
22 nm
Architecture
Kaby Lake (2016−2019)
Ivy Bridge (2012−2013)
PassMark
4,306
4,315
Geekbench 6 Single
705
Geekbench 6 Multi
1,544
🧠

Memory & Platform

The Core i3-7100 uses the LGA1151 socket (PCIe 3.0), while the Core i5-3475S uses LGA1155 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2400 on the Core i3-7100 versus DDR3-1600 on the Core i5-3475S — the Core i3-7100 supports 50% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i3-7100 supports up to 64 GB of RAM compared to 32 GB 100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes.

FeatureCore i3-7100Core i5-3475S
Socket
LGA1151
LGA1155
PCIe Generation
PCIe 3.0
PCIe 3.0
Max RAM Speed
DDR4-2400+50%
DDR3-1600
Max RAM Capacity
64 GB+100%
32 GB
RAM Channels
2
2
ECC Support
No
No
PCIe Lanes
16
16
🔧

Advanced Features

Neither processor supports overclocking. Virtualization support: VT-x, VT-d (Core i3-7100) vs VT-x, VT-d, EPT (Core i5-3475S). Both include integrated graphics HD Graphics 630 (Core i3-7100) and HD Graphics 4000 (Core i5-3475S) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i3-7100 targets Desktop, Core i5-3475S targets Budget. Direct competitor: Core i5-3475S rivals FX-6300.

FeatureCore i3-7100Core i5-3475S
Integrated GPU
Yes
Yes
IGPU Model
HD Graphics 630
HD Graphics 4000
Unlocked
No
No
AVX-512
No
No
Virtualization
VT-x, VT-d
VT-x, VT-d, EPT
Target Use
Desktop
Budget
💰

Value Analysis

At launch, the Core i3-7100 was priced at $117, while the Core i5-3475S came in at $249. On launch pricing ($117 vs $249), Core i3-7100 was $132 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i3-7100 delivers 36.8 pts/$ vs 17.3 pts/$ for the Core i5-3475S — making the Core i3-7100 the 71.9% better value option.

FeatureCore i3-7100Core i5-3475S
MSRP
$117-53%
$249
Performance per Dollar
36.8+113%
17.3
Release Date
2017
2012

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