Core i3-1125G4 vs Core i5-1145G7

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 i3-1125G4 vs Core i5-1145G7 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 i3-1125G4 vs Core i5-1145G7: Pros, Cons & Final Verdict

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

Core i3-1125G4

2021

Why buy it

✅Draws 15W instead of 28W, a 13W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Core i5-1145G7 across 50 shared CPU benchmark tests.
❌Lower Cinebench R23 multi-core (5,112 vs 5,195).

Core i5-1145G7

2020

Why buy it

✅Better for gaming: +11.5% higher average FPS across 50 shared CPU benchmark tests.

Trade-offs

❌86.7% higher power demand at 28W vs 15W.

Quick Answers

So, is Core i5-1145G7 better than Core i3-1125G4?

Yes. Core i5-1145G7 is the better all-around CPU here. It gives you a 11.5% average FPS lead across 50 shared CPU game tests in our data and 1.6% better Cinebench R23 multi-core, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Core i5-1145G7 is the better pick. According to our tests, it delivers 11.5% 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 i5-1145G7 is the stronger fit. You are getting 1.6% better Cinebench R23 multi-core, backed by 4 cores and 8 threads.

Which one is the smarter buy today, not just the cheaper CPU?

Core i5-1145G7 still makes the most sense overall. Core i5-1145G7 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 11.5% average FPS lead across 50 shared CPU game tests in our data.

Which one is more future-proof for 2026 and beyond?

Core i3-1125G4 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2021 vs 2020). That makes it the safer long-term bet.

Core i3-1125G4 vs Core i5-1145G7 Technical Specifications

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

Core i3-1125G4

The Core i3-1125G4 is manufactured by Intel. It was released in 31 March 2021 (4 years ago). It is based on the Tiger Lake-UP3 (2020−2021) architecture. It features 4 cores and 8 threads. Base frequency is 2 GHz, with boost up to 3.7 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: 9,284 points. Launch price was $281.

Core i5-1145G7

The Core i5-1145G7 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 2.6 GHz, with boost up to 4.4 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): 28 Watt. Memory support: DDR4. Passmark benchmark score: 9,266 points. Launch price was $309.

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Processing Power

Both the Core i3-1125G4 and Core i5-1145G7 share an identical 4-core/8-thread configuration. Boost clocks reach 3.7 GHz on the Core i3-1125G4 versus 4.4 GHz on the Core i5-1145G7 — a 17.3% clock advantage for the Core i5-1145G7 (base: 2 GHz vs 2.6 GHz). Both are built on the Tiger Lake-UP3 (2020−2021) architecture using a 10 nm SuperFin process. In PassMark, the Core i3-1125G4 scores 9,284 against the Core i5-1145G7's 9,266 — a 0.2% lead for the Core i3-1125G4. Cinebench R23 multi-core: 5,112 vs 5,195 (1.6% advantage for the Core i5-1145G7). Geekbench 6 single-core — the metric most relevant to gaming — records 1,560 vs 1,653, a 5.8% lead for the Core i5-1145G7 that directly translates to higher frame rates. Multi-core Geekbench: 4,770 vs 4,764 (0.1% advantage for the Core i3-1125G4). Both processors carry 8 MB (total) of L3 cache.

Feature	Core i3-1125G4	Core i5-1145G7
Cores / Threads	4 / 8	4 / 8
Boost Clock	3.7 GHz	4.4 GHz+19%
Base Clock	2 GHz	2.6 GHz+30%
L3 Cache	8 MB (total)	8 MB (total)
L2 Cache	1.25 MB (per core)	1.25 MB (per core)
Process	10 nm SuperFin	10 nm SuperFin
Architecture	Tiger Lake-UP3 (2020−2021)	Tiger Lake-UP3 (2020−2021)
PassMark	9,284	9,266
Cinebench R23 Multi	5,112	5,195+2%
Geekbench 6 Single	1,560	1,653+6%
Geekbench 6 Multi	4,770	4,764

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Memory & Platform

Both processors use the FCBGA1449 socket with PCIe 4.0. Both support up to DDR4-3200 memory speed. Both support up to 64 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: SoC (Core i3-1125G4) and SoC (Core i5-1145G7).

Feature	Core i3-1125G4	Core i5-1145G7
Socket	FCBGA1449	FCBGA1449
PCIe Generation	PCIe 4.0	PCIe 4.0
Max RAM Speed	DDR4-3200	DDR4-3200
Max RAM Capacity	64 GB	64 GB
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	16	16

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Advanced Features

Neither processor supports overclocking. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Both support VT-x, VT-d, EPT virtualization. Both include integrated graphics — UHD Graphics (48 EU) (Core i3-1125G4) and Iris Xe Graphics (80 EU) (Core i5-1145G7) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i3-1125G4 targets Productivity, Core i5-1145G7 targets Business. Direct competitor: Core i3-1125G4 rivals Ryzen 3 5300U; Core i5-1145G7 rivals Core i5-1135G7.

Feature	Core i3-1125G4	Core i5-1145G7
Integrated GPU	Yes	Yes
IGPU Model	UHD Graphics (48 EU)	Iris Xe Graphics (80 EU)
Unlocked	No	No
AVX-512	Yes	Yes
Virtualization	VT-x, VT-d, EPT	VT-x, VT-d, EPT
Target Use	Productivity	Business