Core i3-8121U vs Core i7-2760QM

Intel

Core i3-8121U

2 Cores4 Thrd15 WWMax: 3.2 GHz2018
Similar parts
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VS
Intel

Core i7-2760QM

4 Cores8 Thrd45 WWMax: 3.5 GHz2011
Similar parts
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Core i3-8121U vs Core i7-2760QM 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 i3-8121U vs Core i7-2760QM 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 i3-8121U vs Core i7-2760QM: Pros, Cons & Final Verdict

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

Core i3-8121U

2018

Why buy it

  • Draws 15W instead of 45W, a 30W reduction.

Trade-offs

  • Worse for gaming: lower average FPS than Core i7-2760QM across 50 shared CPU benchmark tests.
  • Lower PassMark (4,271 vs 4,313).
  • Smaller total L3 cache (4 MB vs 6 MB).
  • No integrated graphics, while Core i7-2760QM can still boot and troubleshoot without a discrete GPU.

Core i7-2760QM

2011

Why buy it

  • Better for gaming: +12.6% higher average FPS across 50 shared CPU benchmark tests.
  • +50% larger total L3 cache (6 MB vs 4 MB).
  • Integrated graphics onboard with Intel HD Graphics 3000, while Core i3-8121U needs a discrete GPU.

Trade-offs

  • 200% higher power demand at 45W vs 15W.

Quick Answers

So, is Core i7-2760QM better than Core i3-8121U?
Yes. Core i7-2760QM is the better all-around CPU here. It gives you a 12.6% average FPS lead across 50 shared CPU game tests in our data and 1% better PassMark, which is enough to make it the stronger overall pick.
Which one is better for gaming?
If gaming is the priority, Core i7-2760QM is the better pick. According to our tests, it delivers 12.6% more average FPS across 50 shared CPU game tests.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Core i7-2760QM is the stronger fit. You are getting 1% better PassMark, backed by 4 cores and 8 threads. It also has the larger cache pool with 50% larger total L3 cache (6 MB vs 4 MB).
Which one is the smarter buy today, not just the cheaper CPU?
Core i7-2760QM still makes the most sense overall. Core i7-2760QM comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 12.6% average FPS lead across 50 shared CPU game tests in our data.
Which one is more future-proof for 2026 and beyond?
Core i3-8121U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2018 vs 2011). That makes it the safer long-term bet.

Core i3-8121U vs Core i7-2760QM Technical Specifications

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

Intel

Core i3-8121U

The Core i3-8121U is manufactured by Intel. It was released in 5 May 2018 (7 years ago). It is based on the Coffee Lake-U (2018−2019) architecture. It features 2 cores and 4 threads. Base frequency is 2.2 GHz, with boost up to 3.2 GHz. L3 cache: 4 MB (total). L2 cache: 256K (per core). Built on 10 nm process technology. Socket: BGA1440. Thermal design power (TDP): 15 Watt. Memory support: DDR4. Passmark benchmark score: 4,271 points. Launch price was $69.

Intel

Core i7-2760QM

The Core i7-2760QM is manufactured by Intel. It was released in 4 September 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 4 cores and 8 threads. Base frequency is 2.4 GHz, with boost up to 3.5 GHz. L3 cache: 6 MB (total). L2 cache: 256K (per core). Built on 32 nm process technology. Socket: PGA988. Thermal design power (TDP): 45 Watt. Memory support: DDR3-1066, DDR3-1333, DDR3-1600. Passmark benchmark score: 4,313 points. Launch price was $378.

Processing Power

The Core i3-8121U packs 2 cores / 4 threads, while the Core i7-2760QM offers 4 cores / 8 threads — the Core i7-2760QM has 2 more cores. Boost clocks reach 3.2 GHz on the Core i3-8121U versus 3.5 GHz on the Core i7-2760QM — a 9% clock advantage for the Core i7-2760QM (base: 2.2 GHz vs 2.4 GHz). The Core i3-8121U uses the Coffee Lake-U (2018−2019) architecture (10 nm), while the Core i7-2760QM uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Core i3-8121U scores 4,271 against the Core i7-2760QM's 4,313 — a 1% lead for the Core i7-2760QM. L3 cache: 4 MB (total) on the Core i3-8121U vs 6 MB (total) on the Core i7-2760QM.

FeatureCore i3-8121UCore i7-2760QM
Cores / Threads
2 / 4
4 / 8+100%
Boost Clock
3.2 GHz
3.5 GHz+9%
Base Clock
2.2 GHz
2.4 GHz+9%
L3 Cache
4 MB (total)
6 MB (total)+50%
L2 Cache
256K (per core)
256K (per core)
Process
10 nm-69%
32 nm
Architecture
Coffee Lake-U (2018−2019)
Sandy Bridge (2011−2013)
PassMark
4,271
4,313
Geekbench 6 Single
1,178
Geekbench 6 Multi
2,250
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Memory & Platform

The Core i3-8121U uses the BGA1440 socket (PCIe 3.0), while the Core i7-2760QM uses PGA988 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2400 on the Core i3-8121U versus 1600 on the Core i7-2760QM — the Core i3-8121U supports 50% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 32 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: SoC (Core i3-8121U) and HM65,HM67,QM67,QS67 (Core i7-2760QM).

FeatureCore i3-8121UCore i7-2760QM
Socket
BGA1440
PGA988
PCIe Generation
PCIe 3.0+50%
PCIe 2.0
Max RAM Speed
DDR4-2400+50%
1600
Max RAM Capacity
32 GB
32 GB
RAM Channels
2
2
ECC Support
No
No
PCIe Lanes
16
16
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Advanced Features

Neither processor supports overclocking. Only the Core i3-8121U supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d, EPT (Core i3-8121U) vs true (Core i7-2760QM). The Core i7-2760QM includes integrated graphics (Intel HD Graphics 3000), while the Core i3-8121U requires a dedicated GPU. Primary use case: Core i3-8121U targets Productivity. Direct competitor: Core i3-8121U rivals Core i3-8130U; Core i7-2760QM rivals AMD A8-3510MX.

FeatureCore i3-8121UCore i7-2760QM
Integrated GPU
No
Yes
IGPU Model
Intel HD Graphics 3000
Unlocked
No
No
AVX-512
Yes
No
Virtualization
VT-x, VT-d, EPT
true
Target Use
Productivity