Celeron B800 vs Core M-5Y10a

Intel

Celeron B800

2 Cores2 Thrd35 WWMax: 1.5 GHz2011
Similar parts
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VS
Intel

Core M-5Y10a

2 Cores4 Thrd512 WWMax: 2 GHz2014
Similar parts
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Celeron B800 vs Core M-5Y10a Performance Spectrum

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.

Celeron B800 vs Core M-5Y10a 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.

Celeron B800 vs Core M-5Y10a: Pros, Cons & Final Verdict

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

Celeron B800

2011

Why buy it

  • +0.3% higher PassMark.
  • Costs $201 less on MSRP ($80 MSRP vs $281 MSRP).
  • Delivers 252.2% more PassMark for each dollar spent, at 23.9 vs 6.8 PassMark/$ ($80 MSRP vs $281 MSRP).
  • Draws 35W instead of 512W, a 477W reduction.
  • 33.3% more PCIe lanes (16 vs 12) for storage and expansion-heavy builds.

Trade-offs

  • Smaller total L3 cache (2 MB vs 4 MB).

Core M-5Y10a

2014

Why buy it

  • +100% larger total L3 cache (4 MB vs 2 MB).

Trade-offs

  • Lower PassMark (1,905 vs 1,910).
  • Lower PassMark per dollar, at 6.8 vs 23.9 PassMark/$ ($281 MSRP vs $80 MSRP).
  • 1362.9% higher power demand at 512W vs 35W.

Quick Answers

So, is Celeron B800 better than Core M-5Y10a?
It depends on what you want from the system. For gaming, Core M-5Y10a is ahead with a 1.3% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Celeron B800 pulls ahead with 0.3% better PassMark. Core M-5Y10a also has the bigger cache pool with 100% larger total L3 cache (4 MB vs 2 MB).
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Celeron B800 is the stronger fit. You are getting 0.3% better PassMark, backed by 2 cores and 2 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Celeron B800 is the better buy right now. Celeron B800 comes in $201 cheaper on MSRP at $80 MSRP versus $281 MSRP, and it still gives you 0.3% better PassMark. The compromise is that Core M-5Y10a is still the better pure gaming CPU with a 1.3% average FPS lead across 50 shared CPU game tests in our data. It is also 252.2% better value on MSRP (23.9 vs 6.8 PassMark/$), 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 M-5Y10a makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2014 vs 2011) and 100% larger total L3 cache (4 MB vs 2 MB). That makes it the safer long-term bet.

Celeron B800 vs Core M-5Y10a Technical Specifications

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

Intel

Celeron B800

The Celeron B800 is manufactured by Intel. It was released in 19 June 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 2 threads. Base frequency is 1.5 GHz, with boost up to 1.5 GHz. L3 cache: 2 MB (total). L2 cache: 256K (per core). Built on 32 nm process technology. Socket: PGA988. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 1,910 points. Launch price was $80.

Intel

Core M-5Y10a

The Core M-5Y10a is manufactured by Intel. It was released in 5 September 2014 (11 years ago). It is based on the Broadwell-Y (2014) architecture. It features 2 cores and 4 threads. Base frequency is 0.8 GHz, with boost up to 2 GHz. L3 cache: 4 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: FCBGA1234. Thermal design power (TDP): 4.5 Watt. Memory support: DDR3. Passmark benchmark score: 1,905 points. Launch price was $69.

Processing Power

The Celeron B800 packs 2 cores / 2 threads, matching the Core M-5Y10a's 2 cores. Boost clocks reach 1.5 GHz on the Celeron B800 versus 2 GHz on the Core M-5Y10a — a 28.6% clock advantage for the Core M-5Y10a (base: 1.5 GHz vs 0.8 GHz). The Celeron B800 uses the Sandy Bridge (2011−2013) architecture (32 nm), while the Core M-5Y10a uses Broadwell-Y (2014) (14 nm). In PassMark, the Celeron B800 scores 1,910 against the Core M-5Y10a's 1,905 — a 0.3% lead for the Celeron B800. L3 cache: 2 MB (total) on the Celeron B800 vs 4 MB (total) on the Core M-5Y10a.

FeatureCeleron B800Core M-5Y10a
Cores / Threads
2 / 2
2 / 4
Boost Clock
1.5 GHz
2 GHz+33%
Base Clock
1.5 GHz+87%
0.8 GHz
L3 Cache
2 MB (total)
4 MB (total)+100%
L2 Cache
256K (per core)
256K (per core)
Process
32 nm
14 nm-56%
Architecture
Sandy Bridge (2011−2013)
Broadwell-Y (2014)
PassMark
1,910
1,905
🧠

Memory & Platform

The Celeron B800 uses the PGA988 socket (PCIe 2.0), while the Core M-5Y10a uses FCBGA1234 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the Celeron B800 versus LPDDR3-1600 on the Core M-5Y10a — the Core M-5Y10a supports 20% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 16 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Celeron B800) vs 12 (Core M-5Y10a) — the Celeron B800 offers 4 more lanes for additional GPUs or NVMe drives.

FeatureCeleron B800Core M-5Y10a
Socket
PGA988
FCBGA1234
PCIe Generation
PCIe 2.0
PCIe 3.0+50%
Max RAM Speed
DDR3-1333
LPDDR3-1600+20%
Max RAM Capacity
16 GB
16 GB
RAM Channels
2
2
ECC Support
No
No
PCIe Lanes
16+33%
12
🔧

Advanced Features

Neither processor supports overclocking. Virtualization support: VT-x (Celeron B800) vs VT-x, VT-d (Core M-5Y10a). Both include integrated graphics HD Graphics (Sandy Bridge) (Celeron B800) and HD Graphics 5300 (Core M-5Y10a) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Celeron B800 targets Budget, Core M-5Y10a targets Mobile. Direct competitor: Celeron B800 rivals Pentium 967.

FeatureCeleron B800Core M-5Y10a
Integrated GPU
Yes
Yes
IGPU Model
HD Graphics (Sandy Bridge)
HD Graphics 5300
Unlocked
No
No
AVX-512
No
No
Virtualization
VT-x
VT-x, VT-d
Target Use
Budget
Mobile
💰

Value Analysis

At launch, the Celeron B800 was priced at $80, while the Core M-5Y10a came in at $281. On launch pricing ($80 vs $281), Celeron B800 was $201 cheaper. In terms of value on MSRP (PassMark points per dollar), the Celeron B800 delivers 23.9 pts/$ vs 6.8 pts/$ for the Core M-5Y10a — making the Celeron B800 the 111.5% better value option.

FeatureCeleron B800Core M-5Y10a
MSRP
$80-72%
$281
Performance per Dollar
23.9+251%
6.8
Release Date
2011
2014

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