Core i3-1315UE vs Ryzen 9 5900X

CPU

GPU

Core i3-1315UE

6 Cores8 Thrd15 WWMax: 4.5 GHz2023

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Ryzen 9 5900X

12 Cores24 Thrd105 WWMax: 4.8 GHz2020

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Core i3-1315UE vs Ryzen 9 5900X Performance Spectrum

Core i3-1315UE

6 / 8

9,003

0.0%

38,955

+332.7%

Ryzen Threadripper 9960X

Ryzen Threadripper PRO 9975WX

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 i3-1315UE vs Ryzen 9 5900X 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 i3-1315UE vs Ryzen 9 5900X: Pros, Cons & Final Verdict

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

Core i3-1315UE

2023

Why buy it

✅Costs $237 less on MSRP ($312 MSRP vs $549 MSRP).
✅Draws 15W instead of 105W, a 90W reduction.
✅Newer platform on FCBGA1744 with DDR5 support instead of AM4 and DDR4.
✅Integrated graphics onboard with Intel UHD Graphics, while Ryzen 9 5900X needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 5900X across 50 shared CPU benchmark tests.
❌Lower Geekbench multi-core (2,100 vs 11,888).
❌Smaller total L3 cache (10 MB vs 64 MB).
❌Lower PassMark per dollar, at 28.9 vs 71.0 PassMark/$ ($312 MSRP vs $549 MSRP).

Ryzen 9 5900X

2020

Why buy it

✅Better for gaming: +84.5% higher average FPS across 50 shared CPU benchmark tests.
✅+540% larger total L3 cache (64 MB vs 10 MB).
✅Delivers 145.9% more PassMark for each dollar spent, at 71.0 vs 28.9 PassMark/$ ($549 MSRP vs $312 MSRP).
✅20% more PCIe lanes (24 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌
76% HIGHER MSRP
$549 MSRPvs$312 MSRP
❌600% higher power demand at 105W vs 15W.
❌Older platform position on AM4 with DDR4, while Core i3-1315UE moves to FCBGA1744 and DDR5.
❌No integrated graphics, while Core i3-1315UE can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Ryzen 9 5900X better than Core i3-1315UE?

Yes. Ryzen 9 5900X is the better all-around CPU here. It gives you a 84.5% average FPS lead across 50 shared CPU game tests in our data, 466.1% better Geekbench multi-core, and 332.7% higher PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Ryzen 9 5900X is the better pick. According to our tests, it delivers 84.5% 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, Ryzen 9 5900X is the stronger fit. You are getting 466.1% better Geekbench multi-core, backed by 12 cores and 24 threads. It also has the larger cache pool with 540% larger total L3 cache (64 MB vs 10 MB).

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

Ryzen 9 5900X is the better buy right now. Ryzen 9 5900X comes in 76.0% more expensive on MSRP at $549 MSRP versus $312 MSRP, and it still gives you a 84.5% average FPS lead across 50 shared CPU game tests in our data. It is also 145.9% better value on MSRP (71.0 vs 28.9 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Core i3-1315UE makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2020) and a healthier platform with FCBGA1744 and DDR5 instead of AM4. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i3-1315UE vs Ryzen 9 5900X Technical Specifications

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

Core i3-1315UE

The Core i3-1315UE 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 6 cores and 8 threads. Base frequency is 1.2 GHz, with boost up to 4.5 GHz. L3 cache: 10 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm process technology. Socket: FCBGA1744. Thermal design power (TDP): 15 Watt. Memory support: DDR4, DDR5 Dual-channel. Passmark benchmark score: 9,003 points. Launch price was $149.

Ryzen 9 5900X

The Ryzen 9 5900X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen3) (2020−2022) architecture. It features 12 cores and 24 threads. Base frequency is 3.7 GHz, with boost up to 4.8 GHz. L3 cache: 64 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4-3200. Passmark benchmark score: 38,955 points. Launch price was $549.

⚡

Processing Power

The Core i3-1315UE packs 6 cores / 8 threads, while the Ryzen 9 5900X offers 12 cores / 24 threads — the Ryzen 9 5900X has 6 more cores. Boost clocks reach 4.5 GHz on the Core i3-1315UE versus 4.8 GHz on the Ryzen 9 5900X — a 6.5% clock advantage for the Ryzen 9 5900X (base: 1.2 GHz vs 3.7 GHz). The Core i3-1315UE uses the Raptor Lake-U (2023) architecture (10 nm), while the Ryzen 9 5900X uses Vermeer (Zen3) (2020−2022) (7 nm, 12 nm). In PassMark, the Core i3-1315UE scores 9,003 against the Ryzen 9 5900X's 38,955 — a 124.9% lead for the Ryzen 9 5900X. Geekbench 6 single-core — the metric most relevant to gaming — records 2,000 vs 2,174, a 8.3% lead for the Ryzen 9 5900X that directly translates to higher frame rates. Multi-core Geekbench: 2,100 vs 11,888 (139.9% advantage for the Ryzen 9 5900X). L3 cache: 10 MB (total) on the Core i3-1315UE vs 64 MB on the Ryzen 9 5900X.

Feature	Core i3-1315UE	Ryzen 9 5900X
Cores / Threads	6 / 8	12 / 24+100%
Boost Clock	4.5 GHz	4.8 GHz+7%
Base Clock	1.2 GHz	3.7 GHz+208%
L3 Cache	10 MB (total)	64 MB+540%
L2 Cache	1.25 MB (per core)	512K (per core)+40860%
Process	10 nm	7 nm, 12 nm-30%
Architecture	Raptor Lake-U (2023)	Vermeer (Zen3) (2020−2022)
PassMark	9,003	38,955+333%
Cinebench R23 Multi	—	21,000
Geekbench 6 Single	2,000	2,174+9%
Geekbench 6 Multi	2,100	11,888+466%

🧠

Memory & Platform

The Core i3-1315UE uses the FCBGA1744 socket (PCIe 5.0), while the Ryzen 9 5900X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-5200 on the Core i3-1315UE versus DDR4-3200 on the Ryzen 9 5900X — the Core i3-1315UE supports 62.5% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 9 5900X supports up to 128 GB of RAM compared to 96 GB — 33.3% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core i3-1315UE) vs 24 (Ryzen 9 5900X) — the Ryzen 9 5900X offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Raptor Lake-U (Core i3-1315UE) and A320,B350,X370,B450,X470,B550,X570 (Ryzen 9 5900X).

Feature	Core i3-1315UE	Ryzen 9 5900X
Socket	FCBGA1744	AM4
PCIe Generation	PCIe 5.0+25%	PCIe 4.0
Max RAM Speed	DDR5-5200+63%	DDR4-3200
Max RAM Capacity	96 GB	128 GB+33%
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	20	24+20%

🔧

Advanced Features

Only the Ryzen 9 5900X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: VT-x, VT-d (Core i3-1315UE) vs AMD-V (Ryzen 9 5900X). The Core i3-1315UE includes integrated graphics (Intel UHD Graphics), while the Ryzen 9 5900X requires a dedicated GPU. Primary use case: Core i3-1315UE targets Mainstream Laptop, Ryzen 9 5900X targets Workstation. Direct competitor: Ryzen 9 5900X rivals Core i9-12900K.

Feature	Core i3-1315UE	Ryzen 9 5900X
Integrated GPU	Yes	No
IGPU Model	Intel UHD Graphics	—
Unlocked	No	Yes
AVX-512	No	No
Virtualization	VT-x, VT-d	AMD-V
Target Use	Mainstream Laptop	Workstation

💰

Value Analysis

At launch, the Core i3-1315UE was priced at $312, while the Ryzen 9 5900X came in at $549. On launch pricing ($312 vs $549), Core i3-1315UE was $237 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i3-1315UE delivers 28.9 pts/$ vs 71.0 pts/$ for the Ryzen 9 5900X — making the Ryzen 9 5900X the 84.4% better value option.

Feature	Core i3-1315UE	Ryzen 9 5900X
MSRP	$312-43%	$549
Performance per Dollar	28.9	71.0+146%
Release Date	2023	2020

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