Atom E3845 vs Pentium 2127U

Atom E3845

4 Cores4 Thrd10 WWMax: 1.91 GHz2013

Pentium 2127U

2 Cores2 Thrd512 WWMax: 1.9 GHz2013

Performance Spectrum - CPU

Atom E3845

4 / 4

1,071

0.0%

1,076

+0.5%

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 E3845 is positioned at rank 764 and the Pentium 2127U is on rank 403, so the Pentium 2127U 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 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 Per Dollar Pentium 2127U

#120

Core i7-11850HE

MSRP: $400|Avg: $75

99%

#124

Core i5-1240P

MSRP: $309|Avg: $200

98%

#125

Core i7-13700H

MSRP: $502|Avg: N/A

97%

#391

Atom x5-Z8300

MSRP: $20|Avg: N/A

545%

#392

Atom Z3735G

MSRP: $17|Avg: N/A

537%

#393

Core i5-480M

MSRP: $81|Avg: $77

493%

#394

Core i5-460M

MSRP: $80|Avg: $129

491%

#395

Core i5-2540M

MSRP: $266|Avg: $10

487%

#397

Core i5-450M

MSRP: $32|Avg: $31

470%

#398

Core i3-380M

MSRP: $49|Avg: $25

451%

#399

Core i5-430M

MSRP: N/A|Avg: $33

450%

#400

Core 2 Duo T6600

MSRP: N/A|Avg: $4

438%

#403

Pentium 2127U

MSRP: N/A|Avg: N/A

100%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Trade-off: The Atom E3845 leads in gaming performance. However, the Pentium 2127U is the stronger candidate for professional workloads, offering 0.5% greater multi-core processing power.

Insight	Atom E3845	Pentium 2127U
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-I (2013) / 22 nm)	🛑 Legacy (Ivy Bridge (2012−2013) / 22 nm)

💎 Value Proposition

Insight	Atom E3845	Pentium 2127U
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.

Atom E3845 Benchmark Check

Pentium 2127U Benchmark Check

Technical Specifications

Side-by-side comparison of Atom E3845 and Pentium 2127U

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.

Pentium 2127U

The Pentium 2127U is manufactured by Intel. It was released in 1 July 2013 (12 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 2 cores and 2 threads. Base frequency is 1.9 GHz, with boost up to 1.9 GHz. L3 cache: 2 MB. L2 cache: 512 kB. Built on 22 nm process technology. Socket: BGA1023. Thermal design power (TDP): 17 Watt. Memory support: DDR3. Passmark benchmark score: 1,076 points. Launch price was $134.

⚡

Processing Power

The Atom E3845 packs 4 cores / 4 threads, while the Pentium 2127U offers 2 cores / 2 threads — the Atom E3845 has 2 more cores. Boost clocks reach 1.91 GHz on the Atom E3845 versus 1.9 GHz on the Pentium 2127U — a 0.5% clock advantage for the Atom E3845. The Atom E3845 uses the Bay Trail-I (2013) architecture (22 nm), while the Pentium 2127U uses Ivy Bridge (2012−2013) (22 nm). In PassMark, the Atom E3845 scores 1,071 against the Pentium 2127U's 1,076 — a 0.5% lead for the Pentium 2127U. L3 cache: 0 kB on the Atom E3845 vs 2 MB on the Pentium 2127U.

Feature	Atom E3845	Pentium 2127U
Cores / Threads	4 / 4+100%	2 / 2
Boost Clock	1.91 GHz	1.9 GHz
Base Clock	—	1.9 GHz
L3 Cache	0 kB	2 MB
L2 Cache	512 kB (per core)	512 kB
Process	22 nm	22 nm
Architecture	Bay Trail-I (2013)	Ivy Bridge (2012−2013)
PassMark	1,071	1,076

🧠

Memory & Platform

The Atom E3845 uses the FCBGA1170 socket (PCIe 2.0), while the Pentium 2127U uses BGA1023 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Atom E3845	Pentium 2127U
Socket	FCBGA1170	BGA1023
PCIe Generation	PCIe 2.0	PCIe 3.0+50%
Max RAM Speed	DDR3L-1333	—
Max RAM Capacity	8 GB	—
RAM Channels	2	—
ECC Support	✅	—
PCIe Lanes	4	—