Celeron N2820
VS
Atom E3845

Celeron N2820 vs Atom E3845

Intel

Celeron N2820

2 Cores2 Thrd7 WWMax: 2.39 GHz2013
VS
Intel

Atom E3845

4 Cores4 Thrd10 WWMax: 1.91 GHz2013

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 N2820 is positioned at rank 259 and the Atom E3845 is on rank 764, so the Celeron N2820 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 N2820

#73
Core i9-13950HX
MSRP: $590|Avg: $199
98%
#247
Atom x5-Z8300
MSRP: $20|Avg: N/A
415%
#248
Atom Z3735G
MSRP: $17|Avg: N/A
409%
#249
Core i5-480M
MSRP: $81|Avg: $77
375%
#250
Core i5-460M
MSRP: $80|Avg: $129
374%
#251
Core i5-2540M
MSRP: $266|Avg: $10
370%
#253
Core i5-450M
MSRP: $32|Avg: $31
357%
#254
Core i3-380M
MSRP: $49|Avg: $25
343%
#255
Core i5-430M
MSRP: N/A|Avg: $33
342%
#256
Core 2 Duo T6600
MSRP: N/A|Avg: $4
333%
#259
Celeron N2820
MSRP: N/A|Avg: N/A
100%
Based on actual market prices and performance synthetic scores.

Performance Per Dollar Atom E3845

#752
Atom x5-Z8300
MSRP: $20|Avg: N/A
1096%
#753
Atom Z3735G
MSRP: $17|Avg: N/A
1080%
#754
Core i5-480M
MSRP: $81|Avg: $77
991%
#755
Core i5-460M
MSRP: $80|Avg: $129
987%
#756
Core i5-2540M
MSRP: $266|Avg: $10
978%
#758
Core i5-450M
MSRP: $32|Avg: $31
944%
#759
Core i3-380M
MSRP: $49|Avg: $25
905%
#760
Core i5-430M
MSRP: N/A|Avg: $33
904%
#761
Core 2 Duo T6600
MSRP: N/A|Avg: $4
879%
#764
Atom E3845
MSRP: N/A|Avg: N/A
100%
#767
Core i7-1250U
MSRP: $426|Avg: N/A
99%
#773
Core i7-9750HF
MSRP: $395|Avg: $395
98%
Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Trade-off: The Celeron N2820 leads in gaming performance. However, the Atom E3845 is the stronger candidate for professional workloads, offering 0.9% greater multi-core processing power.
InsightCeleron N2820Atom E3845
Gaming
Superior gaming performance
Lower gaming performance
Workstation
Weaker in multi-core tasks
Better multi-core power
Price
Equivalent pricing
Equivalent pricing
Longevity
🛑 Legacy (Bay Trail-M (2013−2014) / 22 nm)
🛑 Legacy (Bay Trail-I (2013) / 22 nm)

💎 Value Proposition

InsightCeleron N2820Atom E3845
Cost Efficiency
Lower cost efficiency
Lower cost efficiency
Upfront Cost
Equivalent pricing
Equivalent pricing

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 N2820 and Atom E3845

Intel

Celeron N2820

The Celeron N2820 is manufactured by Intel. It was released in 1 December 2013 (12 years ago). It is based on the Bay Trail-M (2013−2014) architecture. It features 2 cores and 2 threads. Base frequency is 2.13 GHz, with boost up to 2.39 GHz. L3 cache: 0 kB. L2 cache: 512K (per core). Built on 22 nm process technology. Socket: FCBGA1170. Thermal design power (TDP): 7.5 Watt. Memory support: DDR3. Passmark benchmark score: 1,061 points. Launch price was $107.

Intel

Atom E3845

The Atom E3845 is manufactured by Intel. It was released in 8 October 2013 (12 years ago). It is based on the Bay Trail-I (2013) architecture. It features 4 cores and 4 threads. Max frequency: 1.91 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 22 nm process technology. Socket: FCBGA1170. Thermal design power (TDP): 10 Watt. Memory support: DDR3. Passmark benchmark score: 1,071 points. Launch price was $69.

Processing Power

The Celeron N2820 packs 2 cores / 2 threads, while the Atom E3845 offers 4 cores / 4 threads — the Atom E3845 has 2 more cores. Boost clocks reach 2.39 GHz on the Celeron N2820 versus 1.91 GHz on the Atom E3845 — a 22.3% clock advantage for the Celeron N2820. The Celeron N2820 uses the Bay Trail-M (2013−2014) architecture (22 nm), while the Atom E3845 uses Bay Trail-I (2013) (22 nm). In PassMark, the Celeron N2820 scores 1,061 against the Atom E3845's 1,071 — a 0.9% lead for the Atom E3845. Both processors carry 0 kB of L3 cache.

FeatureCeleron N2820Atom E3845
Cores / Threads
2 / 2
4 / 4+100%
Boost Clock
2.39 GHz+25%
1.91 GHz
Base Clock
2.13 GHz
L3 Cache
0 kB
0 kB
L2 Cache
512K (per core)
512 kB (per core)
Process
22 nm
22 nm
Architecture
Bay Trail-M (2013−2014)
Bay Trail-I (2013)
PassMark
1,061
1,071
Geekbench 6 Single
220
Geekbench 6 Multi
400
🧠

Memory & Platform

Both processors use the FCBGA1170 socket with PCIe 2.0. Both support up to DDR3L-1066 memory speed. Both support up to 8 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 4 PCIe lanes. Chipset compatibility: SoC (Celeron N2820) and Intel FCBGA1170 (Atom E3845).

FeatureCeleron N2820Atom E3845
Socket
FCBGA1170
FCBGA1170
PCIe Generation
PCIe 2.0
PCIe 2.0
Max RAM Speed
DDR3L-1066
DDR3L-1333
Max RAM Capacity
8 GB
8 GB
RAM Channels
2
2
ECC Support
PCIe Lanes
4
4
🔧

Advanced Features

Virtualization: VT-x (Celeron N2820) / not specified (Atom E3845). Both include integrated graphics Intel HD Graphics (Bay Trail) (Celeron N2820) and Intel HD Graphics (Bay Trail) (Atom E3845) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Celeron N2820 targets Netbook. Direct competitor: Celeron N2820 rivals AMD A6-6310.

FeatureCeleron N2820Atom E3845
Integrated GPU
Yes
Yes
IGPU Model
Intel HD Graphics (Bay Trail)
Intel HD Graphics (Bay Trail)
Unlocked
No
AVX-512
No
Virtualization
VT-x
Target Use
Netbook