Core i5-1345U vs Ryzen 3 8300G

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.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.

Core i5-1345U

2023

Why buy it

✅+0.8% higher PassMark.
✅+50% larger total L3 cache (12 MB vs 8 MB).
✅Draws 15W instead of 65W, a 50W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 3 8300G across 4 shared CPU benchmark tests.

Ryzen 3 8300G

2024

Why buy it

✅Better for gaming: +12.3% higher average FPS across 4 shared CPU benchmark tests.

Trade-offs

❌Lower PassMark (14,113 vs 14,226).
❌Smaller total L3 cache (8 MB vs 12 MB).
❌Launch MSRP is still $176 MSRP, while Core i5-1345U mostly shows up through inconsistent older-market listings.
❌333.3% higher power demand at 65W vs 15W.

Core i5-1345U

2023

Ryzen 3 8300G

2024

Why buy it

✅+0.8% higher PassMark.
✅+50% larger total L3 cache (12 MB vs 8 MB).
✅Draws 15W instead of 65W, a 50W reduction.

Why buy it

✅Better for gaming: +12.3% higher average FPS across 4 shared CPU benchmark tests.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 3 8300G across 4 shared CPU benchmark tests.

Trade-offs

❌Lower PassMark (14,113 vs 14,226).
❌Smaller total L3 cache (8 MB vs 12 MB).
❌Launch MSRP is still $176 MSRP, while Core i5-1345U mostly shows up through inconsistent older-market listings.
❌333.3% higher power demand at 65W vs 15W.

Quick Answers

So, is Ryzen 3 8300G better than Core i5-1345U?

It depends on what matters more to you. For gaming, Ryzen 3 8300G is ahead with a 12.3% average FPS lead across 4 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i5-1345U pulls ahead with 0.8% better PassMark. Core i5-1345U also has the bigger cache pool with 50% larger total L3 cache (12 MB vs 8 MB).

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

For streaming, content creation, and heavier multitasking, Core i5-1345U is the better fit. You are getting 0.8% better PassMark, backed by 10 cores and 12 threads. It also carries the larger cache pool with 50% larger total L3 cache (12 MB vs 8 MB).

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

Ryzen 3 8300G is the smarter buy today. Ryzen 3 8300G is at an unclear MSRP at $176 MSRP versus unclear MSRP, and it gives you a 12.3% average FPS lead across 4 shared CPU game tests in our data. The trade-off is that Core i5-1345U is still stronger for heavier multi-core work with 0.8% better PassMark. It is also 100.0% better value on MSRP (80.2 vs 0.0 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play on paper.

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

Ryzen 3 8300G is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2023). That should give you a better long-term upgrade path for motherboard, RAM, and future CPU swaps.

Games Benchmarks

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Core i5-1345U Benchmark Check

Ryzen 3 8300G Benchmark Check

Path of Exile 2

Preset	Core i5-1345U	Ryzen 3 8300G
1080p
low	187 FPS	262 FPS
medium	156 FPS	232 FPS
high	130 FPS	199 FPS
ultra	106 FPS	168 FPS
1440p
low	151 FPS	229 FPS
medium	120 FPS	184 FPS
high	98 FPS	152 FPS
ultra	81 FPS	132 FPS
4K
low	85 FPS	159 FPS
medium	73 FPS	129 FPS
high	59 FPS	99 FPS
ultra	46 FPS	86 FPS

Open Core i5-1345U Open Ryzen 3 8300G

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i5-1345U	Ryzen 3 8300G
1080p
low	217 FPS	347 FPS
medium	182 FPS	280 FPS
high	164 FPS	245 FPS
ultra	144 FPS	206 FPS
1440p
low	188 FPS	286 FPS
medium	162 FPS	238 FPS
high	150 FPS	214 FPS
ultra	129 FPS	176 FPS
4K
low	147 FPS	212 FPS
medium	130 FPS	183 FPS
high	124 FPS	153 FPS
ultra	107 FPS	124 FPS

Open Core i5-1345U Open Ryzen 3 8300G

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i5-1345U	Ryzen 3 8300G
1080p
low	356 FPS	353 FPS
medium	356 FPS	353 FPS
high	356 FPS	353 FPS
ultra	356 FPS	353 FPS
1440p
low	356 FPS	353 FPS
medium	356 FPS	353 FPS
high	356 FPS	353 FPS
ultra	356 FPS	353 FPS
4K
low	356 FPS	353 FPS
medium	356 FPS	353 FPS
high	356 FPS	352 FPS
ultra	347 FPS	292 FPS

Open Core i5-1345U Open Ryzen 3 8300G

League of Legends

League of Legends

Valorant

Preset	Core i5-1345U	Ryzen 3 8300G
1080p
low	356 FPS	353 FPS
medium	356 FPS	353 FPS
high	356 FPS	353 FPS
ultra	356 FPS	353 FPS
1440p
low	356 FPS	353 FPS
medium	356 FPS	353 FPS
high	356 FPS	353 FPS
ultra	356 FPS	353 FPS
4K
low	356 FPS	353 FPS
medium	356 FPS	353 FPS
high	356 FPS	353 FPS
ultra	356 FPS	353 FPS

Open Core i5-1345U Open Ryzen 3 8300G

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i5-1345U and Ryzen 3 8300G

Core i5-1345U

The Core i5-1345U is manufactured by Intel. It was released in 4 January 2023 (2 years ago). It is based on the Raptor Lake-U (2023) architecture. It features 10 cores and 12 threads. Base frequency is 1.6 GHz, with boost up to 4.7 GHz. L3 cache: 12 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: FCBGA1744. Thermal design power (TDP): 15 Watt. Memory support: DDR5-5200, DDR4-3200, LPDDR4x-4267. Passmark benchmark score: 14,226 points. Launch price was $309.

Ryzen 3 8300G

The Ryzen 3 8300G is manufactured by AMD. It was released in 8 January 2024 (1 year ago). It is based on the Phoenix2 (2024) architecture. It features 4 cores and 8 threads. Base frequency is 3.4 GHz, with boost up to 4.9 GHz. L3 cache: 8 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: AM5. Thermal design power (TDP): 65 Watt. Memory support: DDR5. Passmark benchmark score: 14,113 points. Launch price was $176.

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Processing Power

The Core i5-1345U packs 10 cores / 12 threads, while the Ryzen 3 8300G offers 4 cores / 8 threads — the Core i5-1345U has 6 more cores. Boost clocks reach 4.7 GHz on the Core i5-1345U versus 4.9 GHz on the Ryzen 3 8300G — a 4.2% clock advantage for the Ryzen 3 8300G (base: 1.6 GHz vs 3.4 GHz). The Core i5-1345U uses the Raptor Lake-U (2023) architecture (Intel 7 nm), while the Ryzen 3 8300G uses Phoenix2 (2024) (4 nm). In PassMark, the Core i5-1345U scores 14,226 against the Ryzen 3 8300G's 14,113 — a 0.8% lead for the Core i5-1345U. L3 cache: 12 MB (total) on the Core i5-1345U vs 8 MB (total) on the Ryzen 3 8300G.

Feature	Core i5-1345U	Ryzen 3 8300G
Cores / Threads	10 / 12+150%	4 / 8
Boost Clock	4.7 GHz	4.9 GHz+4%
Base Clock	1.6 GHz	3.4 GHz+112%
L3 Cache	12 MB (total)+50%	8 MB (total)
L2 Cache	1.25 MB (per core)+25%	1 MB (per core)
Process	Intel 7 nm	4 nm-43%
Architecture	Raptor Lake-U (2023)	Phoenix2 (2024)
PassMark	14,226	14,113

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Memory & Platform

The Core i5-1345U uses the FCBGA1744 socket (PCIe 5.0), while the Ryzen 3 8300G uses AM5 (PCIe 4.0) — making them incompatible on the same motherboard.