Core i5-2515E vs Pentium G2120

Intel

Core i5-2515E

2 Cores4 Thrd35 WWMax: 2.5 GHz2011
VS
Intel

Pentium G2120

2 Cores2 Thrd55 WWMax: 3.1 GHz2012

Core i5-2515E vs Pentium G2120 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 i5-2515E vs Pentium G2120 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 i5-2515E vs Pentium G2120: Pros, Cons & Final Verdict

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

Core i5-2515E

2011

Why buy it

  • βœ…+0.3% higher PassMark.
  • βœ…Draws 35W instead of 55W, a 20W reduction.

Trade-offs

  • ❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Pentium G2120

2012

Why buy it

    Trade-offs

    • ❌Lower PassMark (1,876 vs 1,882).
    • ❌Launch MSRP is still $86 MSRP, while Core i5-2515E mostly shows up through inconsistent older-market listings.
    • ❌57.1% higher power demand at 55W vs 35W.

    Quick Answers

    So, is Pentium G2120 better than Core i5-2515E?
    It depends on what you want from the system. For gaming, Pentium G2120 is ahead with a 0.5% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i5-2515E 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 i5-2515E 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 G2120 is the better buy right now. Pentium G2120 comes in at an unclear MSRP at $86 MSRP versus unclear MSRP, and it still gives you a 0.5% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Core i5-2515E is still stronger for heavier multi-core work with 0.3% better PassMark. It is also 100.0% better value on MSRP (21.8 vs 0.0 PassMark/$), 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 G2120 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2012 vs 2011). That makes it the safer long-term bet.

    Core i5-2515E vs Pentium G2120 Technical Specifications

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

    Intel

    Core i5-2515E

    The Core i5-2515E is manufactured by Intel. It was released in 1 February 2011 (14 years ago). It is based on the Sandy Bridge (2011βˆ’2013) 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 32 nm process technology. Socket: BGA1023. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 1,882 points. Launch price was $266.

    Intel

    Pentium G2120

    The Pentium G2120 is manufactured by Intel. It was released in 3 September 2012 (13 years ago). It is based on the Ivy Bridge (2012βˆ’2013) architecture. It features 2 cores and 2 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 22 nm process technology. Socket: LGA1155. Thermal design power (TDP): 55 Watt. Memory support: DDR3. Passmark benchmark score: 1,876 points. Launch price was $88.

    ⚑

    Processing Power

    The Core i5-2515E packs 2 cores / 4 threads, matching the Pentium G2120's 2 cores. Boost clocks reach 2.5 GHz on the Core i5-2515E versus 3.1 GHz on the Pentium G2120 β€” a 21.4% clock advantage for the Pentium G2120 (base: 2.5 GHz vs 3.1 GHz). The Core i5-2515E uses the Sandy Bridge (2011βˆ’2013) architecture (32 nm), while the Pentium G2120 uses Ivy Bridge (2012βˆ’2013) (22 nm). In PassMark, the Core i5-2515E scores 1,882 against the Pentium G2120's 1,876 β€” a 0.3% lead for the Core i5-2515E. Both processors carry 3 MB (total) of L3 cache.

    FeatureCore i5-2515EPentium G2120
    Cores / Threads
    2 / 4
    2 / 2
    Boost Clock
    2.5 GHz
    3.1 GHz+24%
    Base Clock
    2.5 GHz
    3.1 GHz+24%
    L3 Cache
    3 MB (total)
    3 MB (total)
    L2 Cache
    256K (per core)
    256 kB (per core)
    Process
    32 nm
    22 nm-31%
    Architecture
    Sandy Bridge (2011βˆ’2013)
    Ivy Bridge (2012βˆ’2013)
    PassMark
    1,882
    1,876
    Geekbench 6 Single
    530
    β€”
    🧠

    Memory & Platform

    The Core i5-2515E uses the BGA1023 socket (PCIe 2.0), while the Pentium G2120 uses LGA1155 (PCIe 3.0) β€” making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the Core i5-2515E versus DDR3-1600 on the Pentium G2120 β€” the Pentium G2120 supports 20% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Pentium G2120 supports up to 32 GB of RAM compared to 16 GB β€” 100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes.

    FeatureCore i5-2515EPentium G2120
    Socket
    BGA1023
    LGA1155
    PCIe Generation
    PCIe 2.0
    PCIe 3.0+50%
    Max RAM Speed
    DDR3-1333
    DDR3-1600+20%
    Max RAM Capacity
    16 GB
    32 GB+100%
    RAM Channels
    2
    2
    ECC Support
    No
    Yes
    PCIe Lanes
    16
    16
    πŸ”§

    Advanced Features

    Neither processor supports overclocking. Virtualization support: VT-x, VT-d, EPT (Core i5-2515E) vs VT-x (Pentium G2120). Both include integrated graphics β€” HD Graphics 3000 (Core i5-2515E) and HD Graphics (Ivy Bridge) (Pentium G2120) β€” useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i5-2515E targets Embedded, Pentium G2120 targets Desktop. Direct competitor: Core i5-2515E rivals Embedded R-Series.

    FeatureCore i5-2515EPentium G2120
    Integrated GPU
    Yes
    Yes
    IGPU Model
    HD Graphics 3000
    HD Graphics (Ivy Bridge)
    Unlocked
    No
    No
    AVX-512
    No
    No
    Virtualization
    VT-x, VT-d, EPT
    VT-x
    Target Use
    Embedded
    Desktop
    πŸ’°

    Value Analysis

    At launch, the Core i5-2515E was priced at $0, while the Pentium G2120 came in at $86. On launch pricing ($0 vs $86), Core i5-2515E was $86 cheaper.

    FeatureCore i5-2515EPentium G2120
    MSRP
    $0-100%
    $86
    Performance per Dollar
    β€”
    21.8
    Release Date
    2011
    2012

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