Atom N2800 vs Core i3-2105

Atom N2800

2 Cores4 Thrd7 WWMax: 1.87 GHz2011

Core i3-2105

2 Cores4 Thrd65 WWMax: 3.1 GHz2011

Performance Spectrum - CPU

Atom N2800

2 / 4

1,829

0.0%

Pentium B950

Celeron G470

Pentium J3710

Celeron Dual-Core T1500

1,837

+0.4%

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 Atom N2800 is positioned at rank 147 and the Core i3-2105 is on rank 935, so the Atom N2800 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 Atom N2800

#42

Ryzen 9 9955HX3D

MSRP: $749|Avg: N/A

96%

#135

Atom x5-Z8300

MSRP: $20|Avg: N/A

321%

#136

Atom Z3735G

MSRP: $17|Avg: N/A

316%

#137

Core i5-480M

MSRP: $81|Avg: $77

290%

#138

Core i5-460M

MSRP: $80|Avg: $129

289%

#139

Core i5-2540M

MSRP: $266|Avg: $10

286%

#141

Core i5-450M

MSRP: $32|Avg: $31

276%

#142

Core i3-380M

MSRP: $49|Avg: $25

265%

#143

Core i5-430M

MSRP: N/A|Avg: $33

265%

#144

Core 2 Duo T6600

MSRP: N/A|Avg: $4

258%

#147

Atom N2800

MSRP: $47|Avg: $3

100%

#158

Core i5-3210M

MSRP: $225|Avg: $30

96%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Core i3-2105

Ryzen 9 7950X

MSRP: $194|Avg: $20

23420%

Core i9-10900T

MSRP: $120|Avg: $5

22129%

Ryzen 3 PRO 4355GE

MSRP: $423|Avg: $5

16068%

Ryzen Threadripper 3960X

MSRP: $1399|Avg: $85

4840%

Ryzen 9 9950X

MSRP: $649|Avg: $129

3834%

Ryzen 5 8400F

MSRP: $303|Avg: $55

3354%

Ryzen 7 PRO 2700

MSRP: $299|Avg: $60

1921%

Ryzen 5 2600X

MSRP: $229|Avg: $55

1896%

Ryzen 3 PRO 5350G

MSRP: $150|Avg: $60

1726%

#10

Core Ultra 5 245KF

MSRP: $294|Avg: $189

1726%

#11

Ryzen 5 5500

MSRP: $159|Avg: $85

1707%

#12

Ryzen 5 3600

MSRP: $199|Avg: $80

1661%

#13

Core i3-9100E

MSRP: $202|Avg: $30

1638%

#14

Core Ultra 5 245K

MSRP: $319|Avg: $200

1631%

#15

Core i3-8300T

MSRP: $138|Avg: $25

1616%

#934

Athlon II X3 405e

MSRP: $100|Avg: $10

100%

#935

Core i3-2105

MSRP: $138|Avg: $30

100%

#936

Core i3-3225

MSRP: $172|Avg: $167

99%

#937

Athlon II X3 400e

MSRP: $100|Avg: $10

99%

#938

Core i3-3220T

MSRP: $149|Avg: $146

98%

#939

Athlon II X2 245e

MSRP: $87|Avg: $15

98%

#940

Athlon II X2 240e

MSRP: $77|Avg: $77

98%

#941

Pentium G630T

MSRP: $79|Avg: $15

98%

#942

Core i7-3970X Extreme Edition

MSRP: $990|Avg: $175

98%

#945

Core i5-650

MSRP: $176|Avg: $22

96%

#946

A10-6790B

MSRP: $122|Avg: $50

95%

#947

Phenom X3 8600

MSRP: $100|Avg: $20

95%

#948

Core i3-6100TE

MSRP: $250|Avg: $90

95%

#949

FX-4320

MSRP: $250|Avg: $100

95%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Leadership: The Core i3-2105 delivers superior performance across the board. It outperforms the Atom N2800 in both compute-intensive tasks (0.4% faster) and gaming workloads.

Insight	Atom N2800	Core i3-2105
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	✅ More affordable ($3)	⚠️ Higher cost ($30)
Longevity	🛑 Legacy (Cedarview-M (2011−2012) / 32 nm)	🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm)

💎 Value Proposition

Value Proposition: While both processors are considered legacy components by modern standards, the Atom N2800 holds the technical lead in efficiency. Priced at $3 (vs $30), it costs 90% less. While offering basic entry-level performance, it results in a 896% higher cost efficiency score compared to the Core i3-2105.

Insight	Atom N2800	Core i3-2105
Cost Efficiency	✅ Better overall value (+896%)	❌ Lower cost efficiency
Upfront Cost	✅ More affordable ($3)	⚠️ 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.

Atom N2800 Benchmark Check

Core i3-2105 Benchmark Check

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Atom N2800 and Core i3-2105

Atom N2800

The Atom N2800 is manufactured by Intel. It was released in 1 December 2011 (14 years ago). It is based on the Cedarview-M (2011−2012) architecture. It features 2 cores and 4 threads. Base frequency is 1.86 GHz, with boost up to 1.87 GHz. L3 cache: 0 kB. L2 cache: 512K (per core). Built on 32 nm process technology. Socket: FCBGA559. Thermal design power (TDP): 6.5 Watt. Memory support: DDR3. Passmark benchmark score: 1,829 points. Launch price was $47.

Core i3-2105

The Core i3-2105 is manufactured by Intel. It was released in 22 May 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 4 threads. Base frequency is 3.1 GHz, with boost up to 3.1 GHz. L3 cache: 3 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 1,837 points. Launch price was $145.

⚡

Processing Power

Both the Atom N2800 and Core i3-2105 share an identical 2-core/4-thread configuration. Boost clocks reach 1.87 GHz on the Atom N2800 versus 3.1 GHz on the Core i3-2105 — a 49.5% clock advantage for the Core i3-2105 (base: 1.86 GHz vs 3.1 GHz). The Atom N2800 uses the Cedarview-M (2011−2012) architecture (32 nm), while the Core i3-2105 uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Atom N2800 scores 1,829 against the Core i3-2105's 1,837 — a 0.4% lead for the Core i3-2105. L3 cache: 0 kB on the Atom N2800 vs 3 MB (total) on the Core i3-2105.

Feature	Atom N2800	Core i3-2105
Cores / Threads	2 / 4	2 / 4
Boost Clock	1.87 GHz	3.1 GHz+66%
Base Clock	1.86 GHz	3.1 GHz+67%
L3 Cache	0 kB	3 MB (total)
L2 Cache	512K (per core)+100%	256 kB (per core)
Process	32 nm	32 nm
Architecture	Cedarview-M (2011−2012)	Sandy Bridge (2011−2013)
PassMark	1,829	1,837

🧠

Memory & Platform

The Atom N2800 uses the FCBGA559 socket (PCIe 2.0), while the Core i3-2105 uses LGA1155 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to DDR3-1066 memory speed. The Core i3-2105 supports up to 32 GB of RAM compared to 4 GB — 155.6% more capacity for professional workloads. Memory channels: 1 (Atom N2800) vs 2 (Core i3-2105). PCIe lanes: 4 (Atom N2800) vs 16 (Core i3-2105) — the Core i3-2105 offers 12 more lanes for additional GPUs or NVMe drives.

Feature	Atom N2800	Core i3-2105
Socket	FCBGA559	LGA1155
PCIe Generation	PCIe 2.0	PCIe 2.0
Max RAM Speed	DDR3-1066	DDR3-1333
Max RAM Capacity	4 GB	32 GB+700%
RAM Channels	1	2+100%
ECC Support	❌	❌
PCIe Lanes	4	16+300%

🔧

Advanced Features

Virtualization: not specified (Atom N2800) / VT-x (Core i3-2105). Both include integrated graphics — Intel GMA 3650 (Atom N2800) and HD Graphics 3000 (Core i3-2105) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i3-2105 targets Desktop.

Feature	Atom N2800	Core i3-2105
Integrated GPU	Yes	Yes
IGPU Model	Intel GMA 3650	HD Graphics 3000
Unlocked	—	No
AVX-512	—	No
Virtualization	—	VT-x
Target Use	—	Desktop

💰

Value Analysis

The Atom N2800 launched at $47 MSRP, while the Core i3-2105 debuted at $138. At current prices ($3 vs $30), the Atom N2800 is $27 cheaper. In terms of value (PassMark points per dollar), the Atom N2800 delivers 609.7 pts/$ vs 61.2 pts/$ for the Core i3-2105 — making the Atom N2800 the 163.5% better value option.