Core i3-380UM vs Phenom X4 9750B

Core i3-380UM vs Phenom X4 9750B Performance Spectrum

Core i3-380UM

2 / 4

1,502

0.0%

Pentium U5600

Celeron 1019Y

Core i3-370M

Pentium Dual Core T4500

1,520

+1.2%

Ryzen Threadripper PRO 5945WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

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 i3-380UM vs Phenom X4 9750B 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 i3-380UM vs Phenom X4 9750B: Pros, Cons & Final Verdict

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

Core i3-380UM

2010

Why buy it

✅+50% larger total L3 cache (3 MB vs 2 MB).
✅Integrated graphics onboard with Intel HD Graphics, while Phenom X4 9750B needs a discrete GPU.

Trade-offs

❌Lower Geekbench single-core performance for gaming (199 vs 300).
❌Lower Geekbench multi-core (451 vs 1,000).
❌438.9% higher power demand at 512W vs 95W.

Phenom X4 9750B

2008

Why buy it

✅+50.8% higher Geekbench single-core performance for gaming and desktop responsiveness.
✅Draws 95W instead of 512W, a 417W reduction.

Trade-offs

❌Smaller total L3 cache (2 MB vs 3 MB).
❌Launch MSRP is still $215 MSRP, while Core i3-380UM mostly shows up through inconsistent older-market listings.
❌No integrated graphics, while Core i3-380UM can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Phenom X4 9750B better than Core i3-380UM?

Yes. Phenom X4 9750B is the better all-around CPU here. It gives you a 0.2% average FPS lead across 49 shared CPU game tests in our data, 121.7% better Geekbench multi-core, and 1.2% higher PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Phenom X4 9750B is the better pick. According to our tests, it delivers 0.2% more average FPS across 49 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Phenom X4 9750B is the stronger fit. You are getting 121.7% better Geekbench multi-core, backed by 4 cores and 4 threads.

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

Phenom X4 9750B is the better buy right now. Phenom X4 9750B comes in at an unclear MSRP at $215 MSRP versus unclear MSRP, and it still gives you a 0.2% average FPS lead across 49 shared CPU game tests in our data. It is also 100.0% better value on MSRP (7.1 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Core i3-380UM makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2010 vs 2008) and 50% larger total L3 cache (3 MB vs 2 MB). That makes it the safer long-term bet.

Core i3-380UM vs Phenom X4 9750B Technical Specifications

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

Core i3-380UM

The Core i3-380UM is manufactured by Intel. It was released in 1 October 2010 (15 years ago). It is based on the Arrandale (2010−2011) architecture. It features 2 cores and 4 threads. Base frequency is 1.33 GHz, with boost up to 0.03 GHz. L3 cache: 3 MB. L2 cache: 512 kB. Built on 32 nm process technology. Socket: BGA1288. Thermal design power (TDP): 18 Watt. Memory support: DDR3. Passmark benchmark score: 1,502 points. Launch price was $69.

Phenom X4 9750B

The Phenom X4 9750B is manufactured by AMD. It was released in 2009-01-01. It is based on the Agena (2007−2008) architecture. It features 4 cores and 4 threads. Max frequency: 2.4 GHz. L3 cache: 2 MB (total). L2 cache: 512 kB (per core). Built on 65 nm process technology. Socket: AM2+. Thermal design power (TDP): 95 Watt. Passmark benchmark score: 1,520 points. Launch price was $149.

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Processing Power

The Core i3-380UM packs 2 cores / 4 threads, while the Phenom X4 9750B offers 4 cores / 4 threads — the Phenom X4 9750B has 2 more cores. Boost clocks reach 0.03 GHz on the Core i3-380UM versus 2.4 GHz on the Phenom X4 9750B — a 195.1% clock advantage for the Phenom X4 9750B. The Core i3-380UM uses the Arrandale (2010−2011) architecture (32 nm), while the Phenom X4 9750B uses Agena (2007−2008) (65 nm). In PassMark, the Core i3-380UM scores 1,502 against the Phenom X4 9750B's 1,520 — a 1.2% lead for the Phenom X4 9750B. Geekbench 6 single-core — the metric most relevant to gaming — records 199 vs 300, a 40.5% lead for the Phenom X4 9750B that directly translates to higher frame rates. Multi-core Geekbench: 451 vs 1,000 (75.7% advantage for the Phenom X4 9750B). L3 cache: 3 MB on the Core i3-380UM vs 2 MB (total) on the Phenom X4 9750B.

Feature	Core i3-380UM	Phenom X4 9750B
Cores / Threads	2 / 4	4 / 4+100%
Boost Clock	0.03 GHz	2.4 GHz+7900%
Base Clock	1.33 GHz	—
L3 Cache	3 MB+50%	2 MB (total)
L2 Cache	512 kB	512 kB (per core)
Process	32 nm-51%	65 nm
Architecture	Arrandale (2010−2011)	Agena (2007−2008)
PassMark	1,502	1,520+1%
Geekbench 6 Single	199	300+51%
Geekbench 6 Multi	451	1,000+122%

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Memory & Platform

The Core i3-380UM uses the BGA1288 socket (PCIe 2.0), while the Phenom X4 9750B uses AM2+ (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-800 on the Core i3-380UM versus DDR2-1066 on the Phenom X4 9750B — the Phenom X4 9750B supports 33.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 8 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: HM55,HM57,QM57 (Core i3-380UM) and AM2+,AM2 (Phenom X4 9750B).

Feature	Core i3-380UM	Phenom X4 9750B
Socket	BGA1288	AM2+
PCIe Generation	PCIe 2.0	PCIe 2.0
Max RAM Speed	DDR3-800	DDR2-1066+33%
Max RAM Capacity	8 GB	8 GB
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	16	16

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Advanced Features

Neither processor supports overclocking. Virtualization support: No (Core i3-380UM) vs AMD-V (Phenom X4 9750B). The Core i3-380UM includes integrated graphics (Intel HD Graphics), while the Phenom X4 9750B requires a dedicated GPU. Primary use case: Core i3-380UM targets Budget, Phenom X4 9750B targets Legacy Desktop. Direct competitor: Core i3-380UM rivals Athlon Silver 3050U.