Core i3-1115GRE vs Pentium Gold G6605

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 i3-1115GRE vs Pentium Gold G6605 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 i3-1115GRE vs Pentium Gold G6605: Pros, Cons & Final Verdict

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

Core i3-1115GRE

2020

Why buy it

✅+2.2% higher PassMark.
✅+50% larger total L3 cache (6 MB vs 4 MB).
✅Draws 15W instead of 58W, a 43W reduction.
✅100+% more PCIe lanes (4 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Intel UHD Graphics, while Pentium Gold G6605 needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Pentium Gold G6605 across 50 shared CPU benchmark tests.
❌Launch MSRP is still $338 MSRP, while Pentium Gold G6605 mostly shows up through inconsistent older-market listings.

Pentium Gold G6605

2021

Why buy it

✅Better for gaming: +4.7% higher average FPS across 50 shared CPU benchmark tests.

Trade-offs

❌Lower PassMark (4,488 vs 4,588).
❌Smaller total L3 cache (4 MB vs 6 MB).
❌286.7% higher power demand at 58W vs 15W.
❌No integrated graphics, while Core i3-1115GRE can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core i3-1115GRE better than Pentium Gold G6605?

It depends on what you want from the system. For gaming, Pentium Gold G6605 is ahead with a 4.7% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i3-1115GRE pulls ahead with 2.2% better PassMark. Core i3-1115GRE also has the bigger cache pool with 50% larger total L3 cache (6 MB vs 4 MB).

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Core i3-1115GRE is the stronger fit. You are getting 2.2% better PassMark, backed by 2 cores and 4 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 i3-1115GRE is the better buy right now. Core i3-1115GRE comes in at an unclear MSRP at $338 MSRP versus unclear MSRP, and it still gives you 2.2% better PassMark. The compromise is that Pentium Gold G6605 is still the better pure gaming CPU with a 4.7% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (13.6 vs 0.0 PassMark/$), 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 Gold G6605 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 i3-1115GRE vs Pentium Gold G6605 Technical Specifications

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

Core i3-1115GRE

The Core i3-1115GRE is manufactured by Intel. It was released in 2 September 2020 (5 years ago). It is based on the Tiger Lake-U (2020−2021) architecture. It features 2 cores and 4 threads. Base frequency is 2.2 GHz, with boost up to 3.9 GHz. L3 cache: 6 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm process technology. Socket: FCBGA1449. Thermal design power (TDP): 15 Watt. Memory support: DDR4, LPDDR4X. Passmark benchmark score: 4,588 points. Launch price was $338.

Pentium Gold G6605

The Pentium Gold G6605 is manufactured by Intel. It was released in 16 March 2021 (4 years ago). It is based on the Comet Lake-R (2021) architecture. It features 2 cores and 4 threads. Base frequency is 4.3 GHz, with boost up to 4.3 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 58 Watt. Memory support: DDR4-2666. Passmark benchmark score: 4,488 points. Launch price was $86.

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Processing Power

Both the Core i3-1115GRE and Pentium Gold G6605 share an identical 2-core/4-thread configuration. Boost clocks reach 3.9 GHz on the Core i3-1115GRE versus 4.3 GHz on the Pentium Gold G6605 — a 9.8% clock advantage for the Pentium Gold G6605 (base: 2.2 GHz vs 4.3 GHz). The Core i3-1115GRE uses the Tiger Lake-U (2020−2021) architecture (10 nm), while the Pentium Gold G6605 uses Comet Lake-R (2021) (14 nm). In PassMark, the Core i3-1115GRE scores 4,588 against the Pentium Gold G6605's 4,488 — a 2.2% lead for the Core i3-1115GRE. L3 cache: 6 MB (total) on the Core i3-1115GRE vs 4 MB (total) on the Pentium Gold G6605.

Feature	Core i3-1115GRE	Pentium Gold G6605
Cores / Threads	2 / 4	2 / 4
Boost Clock	3.9 GHz	4.3 GHz+10%
Base Clock	2.2 GHz	4.3 GHz+95%
L3 Cache	6 MB (total)+50%	4 MB (total)
L2 Cache	1.25 MB (per core)+400%	256 kB (per core)
Process	10 nm-29%	14 nm
Architecture	Tiger Lake-U (2020−2021)	Comet Lake-R (2021)
PassMark	4,588+2%	4,488
Geekbench 6 Single	1,175	—
Geekbench 6 Multi	2,233	—

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Memory & Platform

The Core i3-1115GRE uses the FCBGA1449 socket (PCIe 4.0), while the Pentium Gold G6605 uses LGA1200 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Core i3-1115GRE	Pentium Gold G6605
Socket	FCBGA1449	LGA1200
PCIe Generation	PCIe 4.0+33%	PCIe 3.0
Max RAM Speed	DDR4-3200	—
Max RAM Capacity	64 GB	—
RAM Channels	2	—
ECC Support	Yes	—
PCIe Lanes	4	—

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Advanced Features

Virtualization: Yes (Core i3-1115GRE) / not specified (Pentium Gold G6605). The Core i3-1115GRE includes integrated graphics (Intel UHD Graphics), while the Pentium Gold G6605 requires a dedicated GPU.