Core i5-430M
VS
Celeron 3855U

Core i5-430M vs Celeron 3855U

Intel

Core i5-430M

2 Cores4 Thrd35 WWMax: 2.53 GHz2010
VS
Intel

Celeron 3855U

2 Cores2 Thrd15 WWMax: 1.6 GHz2015

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 Core i5-430M is positioned at rank 12 and the Celeron 3855U is on rank 193, so the Core i5-430M 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 Core i5-430M

#4
Atom x5-Z8300
MSRP: $20|Avg: N/A
121%
#5
Atom Z3735G
MSRP: $17|Avg: N/A
119%
#6
Core i5-480M
MSRP: $81|Avg: $77
110%
#7
Core i5-460M
MSRP: $80|Avg: $129
109%
#8
Core i5-2540M
MSRP: $266|Avg: $10
108%
#10
Core i5-450M
MSRP: $32|Avg: $31
104%
#11
Core i3-380M
MSRP: $49|Avg: $25
100%
#12
Core i5-430M
MSRP: N/A|Avg: $33
100%
#13
Core 2 Duo T6600
MSRP: N/A|Avg: $4
97%
#17
Core i3-350M
MSRP: $130|Avg: $10
90%
#18
Atom x5-E8000
MSRP: $18|Avg: N/A
89%
#19
Core 2 Duo T5900
MSRP: N/A|Avg: $5
88%
#22
Core i3-3130M
MSRP: $225|Avg: N/A
79%
#23
Core 2 Duo T5550
MSRP: N/A|Avg: $5
75%
#24
Core 2 Duo T7100
MSRP: $197|Avg: $15
75%
#27
Pentium 2030M
MSRP: $134|Avg: N/A
72%
Based on actual market prices and performance synthetic scores.

Performance Per Dollar Celeron 3855U

#181
Atom x5-Z8300
MSRP: $20|Avg: N/A
362%
#182
Atom Z3735G
MSRP: $17|Avg: N/A
357%
#183
Core i5-480M
MSRP: $81|Avg: $77
328%
#184
Core i5-460M
MSRP: $80|Avg: $129
326%
#185
Core i5-2540M
MSRP: $266|Avg: $10
323%
#187
Core i5-450M
MSRP: $32|Avg: $31
312%
#188
Core i3-380M
MSRP: $49|Avg: $25
299%
#189
Core i5-430M
MSRP: N/A|Avg: $33
299%
#190
Core 2 Duo T6600
MSRP: N/A|Avg: $4
291%
#193
Celeron 3855U
MSRP: N/A|Avg: N/A
100%
#194
Pentium Gold 4417U
MSRP: $161|Avg: N/A
100%
#195
Atom N475
MSRP: $75|Avg: N/A
100%
Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Leadership: The Celeron 3855U delivers superior performance across the board. It outperforms the Core i5-430M in both compute-intensive tasks (0.4% faster) and gaming workloads.
InsightCore i5-430MCeleron 3855U
Gaming
Lower gaming performance
Superior gaming performance
Workstation
Weaker in multi-core tasks
Better multi-core power
Price
⚠️ Higher cost ($33)
More affordable ($0)
Longevity
🛑 Legacy (Arrandale (2010−2011) / 32 nm)
🛑 Legacy (Skylake (2015−2016) / 14 nm)

💎 Value Proposition

InsightCore i5-430MCeleron 3855U
Cost Efficiency
Lower cost efficiency
Lower cost efficiency
Upfront Cost
⚠️ Higher cost ($33)
More affordable ($0)

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 Core i5-430M and Celeron 3855U

Intel

Core i5-430M

The Core i5-430M is manufactured by Intel. It was released in 7 January 2010 (15 years ago). It is based on the Arrandale (2010−2011) architecture. It features 2 cores and 4 threads. Base frequency is 2.26 GHz, with boost up to 2.53 GHz. L3 cache: 3 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: 1,210 points. Launch price was $79.

Intel

Celeron 3855U

The Celeron 3855U is manufactured by Intel. It was released in 15 August 2015 (10 years ago). It is based on the Skylake (2015−2016) architecture. It features 2 cores and 2 threads. Base frequency is 1.6 GHz, with boost up to 1.6 GHz. L3 cache: 2 MB. L2 cache: 512 kB. Built on 14 nm process technology. Socket: BGA1356. Thermal design power (TDP): 15 Watt. Memory support: DDR4-1866/2133, LPDDR3-1600/1866, DDR3L-1333/1600. Passmark benchmark score: 1,215 points. Launch price was $107.

Processing Power

The Core i5-430M packs 2 cores / 4 threads, matching the Celeron 3855U's 2 cores. Boost clocks reach 2.53 GHz on the Core i5-430M versus 1.6 GHz on the Celeron 3855U — a 45% clock advantage for the Core i5-430M (base: 2.26 GHz vs 1.6 GHz). The Core i5-430M uses the Arrandale (2010−2011) architecture (32 nm), while the Celeron 3855U uses Skylake (2015−2016) (14 nm). In PassMark, the Core i5-430M scores 1,210 against the Celeron 3855U's 1,215 — a 0.4% lead for the Celeron 3855U. Geekbench 6 single-core — the metric most relevant to gaming — records 350 vs 361, a 3.1% lead for the Celeron 3855U that directly translates to higher frame rates. Multi-core Geekbench: 750 vs 632 (17.1% advantage for the Core i5-430M). L3 cache: 3 MB (total) on the Core i5-430M vs 2 MB on the Celeron 3855U.

FeatureCore i5-430MCeleron 3855U
Cores / Threads
2 / 4
2 / 2
Boost Clock
2.53 GHz+58%
1.6 GHz
Base Clock
2.26 GHz+41%
1.6 GHz
L3 Cache
3 MB (total)+50%
2 MB
L2 Cache
256K (per core)
512 kB+100%
Process
32 nm
14 nm-56%
Architecture
Arrandale (2010−2011)
Skylake (2015−2016)
PassMark
1,210
1,215
Geekbench 6 Single
350
361+3%
Geekbench 6 Multi
750+19%
632
🧠

Memory & Platform

The Core i5-430M uses the PGA988 socket (PCIe 2.0), while the Celeron 3855U uses BGA1356 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1066 on the Core i5-430M versus DDR4 2133 MHz on the Celeron 3855U — the Celeron 3855U supports 200% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron 3855U supports up to 32 GB of RAM compared to 8 GB 120% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core i5-430M) vs 10 (Celeron 3855U) — the Core i5-430M offers 6 more lanes for additional GPUs or NVMe drives. Chipset compatibility: HM55 (Core i5-430M) and FCBGA1356 (Celeron 3855U).

FeatureCore i5-430MCeleron 3855U
Socket
PGA988
BGA1356
PCIe Generation
PCIe 2.0
PCIe 3.0+50%
Max RAM Speed
DDR3-1066
DDR4 2133 MHz+33%
Max RAM Capacity
8 GB
32 GB+300%
RAM Channels
2
2
ECC Support
PCIe Lanes
16+60%
10
🔧

Advanced Features

Neither processor supports overclocking. Virtualization support: VT-x, VT-d, EPT (Core i5-430M) vs true (Celeron 3855U). Both include integrated graphics Intel HD Graphics (Core i5-430M) and Intel HD Graphics 510 (Celeron 3855U) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i5-430M targets Performance Laptop, Celeron 3855U targets Budget. Direct competitor: Core i5-430M rivals AMD Turion II M620; Celeron 3855U rivals Pentium 3825U.

FeatureCore i5-430MCeleron 3855U
Integrated GPU
Yes
Yes
IGPU Model
Intel HD Graphics
Intel HD Graphics 510
Unlocked
No
No
AVX-512
No
No
Virtualization
VT-x, VT-d, EPT
true
Target Use
Performance Laptop
Budget