Celeron B800
VS
Core M-5Y31

Celeron B800 vs Core M-5Y31

Intel

Celeron B800

2 Cores2 Thrd35 WWMax: 1.5 GHz2011
VS
Intel

Core M-5Y31

2 Cores4 Thrd512 WWMax: 2.4 GHz2014

Performance Spectrum - CPU

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.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money. The Celeron B800 is positioned at rank 810 and the Core M-5Y31 is on rank 1166, so the Celeron B800 offers better cost-efficiency for playing games.

MSRP is the manufacturer's suggested retail price.
Avg price is the current average price collected from markets across the web.

Performance Per Dollar Celeron B800

#798
Atom x5-Z8300
MSRP: $20|Avg: N/A
1229%
#799
Atom Z3735G
MSRP: $17|Avg: N/A
1211%
#800
Core i5-480M
MSRP: $81|Avg: $77
1111%
#801
Core i5-460M
MSRP: $80|Avg: $129
1106%
#802
Core i5-2540M
MSRP: $266|Avg: $10
1096%
#804
Core i5-450M
MSRP: $32|Avg: $31
1059%
#805
Core i3-380M
MSRP: $49|Avg: $25
1015%
#806
Core i5-430M
MSRP: N/A|Avg: $33
1013%
#807
Core 2 Duo T6600
MSRP: N/A|Avg: $4
986%
#810
Celeron B800
MSRP: $80|Avg: $5
100%
#811
Celeron B710
MSRP: $86|Avg: $10
100%
#812
Athlon II Neo K345
MSRP: $50|Avg: $10
100%
#818
Core i7-8709G
MSRP: $338|Avg: $150
98%
#819
Celeron M 560
MSRP: $86|Avg: $10
98%
#824
Celeron Dual-Core T3000
MSRP: $80|Avg: $15
94%
#825
Pentium P6100
MSRP: $100|Avg: $16.39
94%
Based on actual market prices and performance synthetic scores.

Performance Per Dollar Core M-5Y31

#1153
Atom x5-Z8300
MSRP: $20|Avg: N/A
4327%
#1154
Atom Z3735G
MSRP: $17|Avg: N/A
4264%
#1155
Core i5-480M
MSRP: $81|Avg: $77
3914%
#1156
Core i5-460M
MSRP: $80|Avg: $129
3897%
#1157
Core i5-2540M
MSRP: $266|Avg: $10
3861%
#1159
Core i5-450M
MSRP: $32|Avg: $31
3729%
#1160
Core i3-380M
MSRP: $49|Avg: $25
3575%
#1161
Core i5-430M
MSRP: N/A|Avg: $33
3569%
#1162
Core 2 Duo T6600
MSRP: N/A|Avg: $4
3473%
#1165
Core M-5Y10a
MSRP: $281|Avg: $281
100%
#1166
Core M-5Y31
MSRP: $281|Avg: $30
100%
#1167
Core M-5Y10c
MSRP: $281|Avg: $281
100%
#1169
Celeron 1047UE
MSRP: $100|Avg: $100
100%
#1170
Core M-5Y70
MSRP: $281|Avg: $281
99%
#1171
Celeron U3400
MSRP: $86|Avg: $5
99%
#1172
Celeron T1600
MSRP: $107|Avg: $15
99%
#1173
Pro A12-8800B
MSRP: $400|Avg: $40
98%
#1175
Core i7-2637M
MSRP: $289|Avg: N/A
96%
#1176
Athlon PRO 3045B
MSRP: $426|Avg: $180
96%
#1177
Core 2 Duo SL9600
MSRP: $316|Avg: N/A
96%
#1178
Core 2 Duo T5600
MSRP: $241|Avg: N/A
95%
#1179
Pentium N3510
MSRP: $161|Avg: $161
95%
#1180
Core i7-7Y75
MSRP: $393|Avg: $285
95%
Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Trade-off: The Core M-5Y31 leads in gaming performance. However, the Celeron B800 is the stronger candidate for professional workloads, offering 0.3% greater multi-core processing power.
InsightCeleron B800Core M-5Y31
Gaming
Lower gaming performance
Superior gaming performance
Workstation
Better multi-core power
Weaker in multi-core tasks
Price
More affordable ($5)
⚠️ Higher cost ($30)
Longevity
🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm)
🛑 Legacy (Broadwell-Y (2014) / 14 nm)

💎 Value Proposition

Efficiency: Even within a comparison of older hardware, the Celeron B800 stands out as the superior choice. It is effectively 83% cheaper ($5 vs $30) while identifying as the stronger performer.
InsightCeleron B800Core M-5Y31
Cost Efficiency
Better overall value (+502%)
Lower cost efficiency
Upfront Cost
More affordable ($5)
⚠️ Higher cost ($30)

Performance Check

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.

Technical Specifications

Side-by-side comparison of Celeron B800 and Core M-5Y31

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-5Y31

The Core M-5Y31 is manufactured by Intel. It was released in 27 October 2014 (11 years ago). It is based on the Broadwell-Y (2014) architecture. It features 2 cores and 4 threads. Base frequency is 0.9 GHz, with boost up to 2.4 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-5Y31's 2 cores. Boost clocks reach 1.5 GHz on the Celeron B800 versus 2.4 GHz on the Core M-5Y31 — a 46.2% clock advantage for the Core M-5Y31 (base: 1.5 GHz vs 0.9 GHz). The Celeron B800 uses the Sandy Bridge (2011−2013) architecture (32 nm), while the Core M-5Y31 uses Broadwell-Y (2014) (14 nm). In PassMark, the Celeron B800 scores 1,910 against the Core M-5Y31'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-5Y31.

FeatureCeleron B800Core M-5Y31
Cores / Threads
2 / 2
2 / 4
Boost Clock
1.5 GHz
2.4 GHz+60%
Base Clock
1.5 GHz+67%
0.9 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-5Y31 uses FCBGA1234 (PCIe 3.0) — making them incompatible on the same motherboard.

FeatureCeleron B800Core M-5Y31
Socket
PGA988
FCBGA1234
PCIe Generation
PCIe 2.0
PCIe 3.0+50%
Max RAM Speed
DDR3-1333
Max RAM Capacity
16 GB
RAM Channels
2
ECC Support
PCIe Lanes
16
🔧

Advanced Features

Virtualization: VT-x (Celeron B800) / not specified (Core M-5Y31). The Celeron B800 includes integrated graphics (HD Graphics (Sandy Bridge)), while the Core M-5Y31 requires a dedicated GPU. Primary use case: Celeron B800 targets Budget. Direct competitor: Celeron B800 rivals Pentium 967.

FeatureCeleron B800Core M-5Y31
Integrated GPU
Yes
IGPU Model
HD Graphics (Sandy Bridge)
Unlocked
No
AVX-512
No
Virtualization
VT-x
Target Use
Budget
💰

Value Analysis

The Celeron B800 launched at $80 MSRP, while the Core M-5Y31 debuted at $281. At current prices ($5 vs $30), the Celeron B800 is $25 cheaper. In terms of value (PassMark points per dollar), the Celeron B800 delivers 382.0 pts/$ vs 63.5 pts/$ for the Core M-5Y31 — making the Celeron B800 the 143% better value option.

FeatureCeleron B800Core M-5Y31
MSRP
$80-72%
$281
Avg Price (30d)
$5-83%
$30
Performance per Dollar
382.0+502%
63.5
Release Date
2011
2014