Core i3-2102 vs Pentium G3420

Intel

Core i3-2102

2 Cores4 Thrd65 WWMax: 3.1 GHz2011
Similar parts
·······
VS
Intel

Pentium G3420

2 Cores2 Thrd54 WWMax: 3.2 GHz2013
Similar parts
·······

Core i3-2102 vs Pentium G3420 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 i3-2102 vs Pentium G3420 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 i3-2102 vs Pentium G3420: Pros, Cons & Final Verdict

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

Core i3-2102

2011

Why buy it

  • +0.3% higher PassMark.
  • 100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
  • Integrated graphics onboard with Intel HD Graphics 2000, while Pentium G3420 needs a discrete GPU.
  • Includes a boxed cooler (Stock), unlike Pentium G3420.

Trade-offs

  • Lower PassMark per dollar, at 17.3 vs 23.5 PassMark/$ ($117 MSRP vs $86 MSRP).
  • 20.4% higher power demand at 65W vs 54W.

Pentium G3420

2013

Why buy it

  • Costs $31 less on MSRP ($86 MSRP vs $117 MSRP).
  • Delivers 35.6% more PassMark for each dollar spent, at 23.5 vs 17.3 PassMark/$ ($86 MSRP vs $117 MSRP).
  • Draws 54W instead of 65W, a 11W reduction.

Trade-offs

  • Lower PassMark (2,022 vs 2,029).
  • No integrated graphics, while Core i3-2102 can still boot and troubleshoot without a discrete GPU.
  • No boxed cooler included, unlike Core i3-2102.

Quick Answers

So, is Pentium G3420 better than Core i3-2102?
It depends on what you want from the system. For gaming, Pentium G3420 is ahead with a 1.3% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i3-2102 pulls ahead with 0.3% better PassMark.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Core i3-2102 is the stronger fit. You are getting 0.3% better PassMark, backed by 2 cores and 4 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Pentium G3420 is the better buy right now. Pentium G3420 comes in $31 cheaper on MSRP at $86 MSRP versus $117 MSRP, and it still gives you a 1.3% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Core i3-2102 is still stronger for heavier multi-core work with 0.3% better PassMark. It is also 35.6% better value on MSRP (23.5 vs 17.3 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.
Which one is more future-proof for 2026 and beyond?
Pentium G3420 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2013 vs 2011). That makes it the safer long-term bet.

Core i3-2102 vs Pentium G3420 Technical Specifications

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

Intel

Core i3-2102

The Core i3-2102 is manufactured by Intel. It was released in 1 June 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 4 threads. Base frequency is 3.1 GHz, with boost up to 3.1 GHz. L3 cache: 3 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 2,029 points. Launch price was $69.

Intel

Pentium G3420

The Pentium G3420 is manufactured by Intel. It was released in 1 September 2013 (12 years ago). It is based on the Haswell (2013−2015) architecture. It features 2 cores and 2 threads. Base frequency is 3.2 GHz, with boost up to 3.2 GHz. L3 cache: 3 MB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA1150. Thermal design power (TDP): 53 Watt. Memory support: DDR3. Passmark benchmark score: 2,022 points. Launch price was $252.

Processing Power

The Core i3-2102 packs 2 cores / 4 threads, matching the Pentium G3420's 2 cores. Boost clocks reach 3.1 GHz on the Core i3-2102 versus 3.2 GHz on the Pentium G3420 — a 3.2% clock advantage for the Pentium G3420 (base: 3.1 GHz vs 3.2 GHz). The Core i3-2102 uses the Sandy Bridge (2011−2013) architecture (32 nm), while the Pentium G3420 uses Haswell (2013−2015) (22 nm). In PassMark, the Core i3-2102 scores 2,029 against the Pentium G3420's 2,022 — a 0.3% lead for the Core i3-2102. Both processors carry 3 MB (total) of L3 cache.

FeatureCore i3-2102Pentium G3420
Cores / Threads
2 / 4
2 / 2
Boost Clock
3.1 GHz
3.2 GHz+3%
Base Clock
3.1 GHz
3.2 GHz+3%
L3 Cache
3 MB (total)
3 MB (total)
L2 Cache
256 kB (per core)
256 kB (per core)
Process
32 nm
22 nm-31%
Architecture
Sandy Bridge (2011−2013)
Haswell (2013−2015)
PassMark
2,029
2,022
Geekbench 6 Single
515
Geekbench 6 Multi
1,082
🧠

Memory & Platform

The Core i3-2102 uses the LGA1155 socket (PCIe 2.0), while the Pentium G3420 uses LGA1150 (PCIe 3.0) — making them incompatible on the same motherboard.

FeatureCore i3-2102Pentium G3420
Socket
LGA1155
LGA1150
PCIe Generation
PCIe 2.0
PCIe 3.0+50%
Max RAM Speed
DDR3-1333
Max RAM Capacity
32 GB
RAM Channels
2
ECC Support
No
PCIe Lanes
16
🔧

Advanced Features

Virtualization: VT-x (Core i3-2102) / not specified (Pentium G3420). The Core i3-2102 includes integrated graphics (Intel HD Graphics 2000), while the Pentium G3420 requires a dedicated GPU. Primary use case: Core i3-2102 targets Office Desktop.

FeatureCore i3-2102Pentium G3420
Integrated GPU
Yes
IGPU Model
Intel HD Graphics 2000
Unlocked
No
AVX-512
No
Virtualization
VT-x
Target Use
Office Desktop
💰

Value Analysis

At launch, the Core i3-2102 was priced at $117, while the Pentium G3420 came in at $86. On launch pricing ($117 vs $86), Pentium G3420 was $31 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i3-2102 delivers 17.3 pts/$ vs 23.5 pts/$ for the Pentium G3420 — making the Pentium G3420 the 30.2% better value option.

FeatureCore i3-2102Pentium G3420
MSRP
$117
$86-26%
Performance per Dollar
17.3
23.5+36%
Release Date
2011
2013

Affiliate Disclosure

ChipVERSUS is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. We may earn a commission on qualifying purchases made through our links. This comes at no additional cost to you and helps support our work in providing comprehensive PC building guides and tools.

Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates.