Atom E3845 vs A4-3400

CPU

GPU

Atom E3845

4 Cores4 Thrd10 WWMax: 1.91 GHz2013

A4-3400

2 Cores2 Thrd65 WWMax: 2.7 GHz2011

Performance Spectrum - CPU

Atom E3845

4 / 4

1,071

+0.5%

1,066

0.0%

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

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 A4-3400 is on rank 850, so the Atom E3845 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 A4-3400

Ryzen 9 7950X

MSRP: $194|Avg: $20

17542%

Core i9-10900T

MSRP: $120|Avg: $5

16575%

Ryzen 3 PRO 4355GE

MSRP: $423|Avg: $5

12035%

Ryzen Threadripper 3960X

MSRP: $1399|Avg: $85

3626%

Ryzen 9 9950X

MSRP: $649|Avg: $129

2872%

Ryzen 5 8400F

MSRP: $303|Avg: $55

2512%

Ryzen 7 PRO 2700

MSRP: $299|Avg: $60

1439%

Ryzen 5 2600X

MSRP: $229|Avg: $55

1420%

Ryzen 3 PRO 5350G

MSRP: $150|Avg: $60

1293%

#10

Core Ultra 5 245KF

MSRP: $294|Avg: $189

1293%

#11

Ryzen 5 5500

MSRP: $159|Avg: $85

1279%

#12

Ryzen 5 3600

MSRP: $199|Avg: $80

1244%

#13

Core i3-9100E

MSRP: $202|Avg: $30

1227%

#14

Core Ultra 5 245K

MSRP: $319|Avg: $200

1222%

#15

Core i3-8300T

MSRP: $138|Avg: $25

1211%

#850

A4-3400

MSRP: N/A|Avg: N/A

100%

#851

Core i3-3240T

MSRP: $117|Avg: $8

100%

#852

Athlon II X2 240

MSRP: $60|Avg: $10

99%

#854

Core i5-2500S

MSRP: $192|Avg: $61

99%

#855

Athlon X2 BE-2400

MSRP: $60|Avg: $5

98%

#857

Pentium G850

MSRP: $86|Avg: $75

98%

#858

Core i3-2102

MSRP: $117|Avg: $15

98%

#859

Core i5-3475S

MSRP: $249|Avg: $42

98%

#860

Core i7-2600K

MSRP: $317|Avg: $109

97%

#861

Pentium G860

MSRP: $86|Avg: $36

97%

#862

Athlon II X2 245

MSRP: $66|Avg: $15

97%

#863

Core i7-2700K

MSRP: $332|Avg: $45

96%

#865

Core i5-4670K

MSRP: $328|Avg: $200

96%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Trade-off: The A4-3400 leads in gaming performance. However, the Atom E3845 is the stronger candidate for professional workloads, offering 0.5% greater multi-core processing power.

Insight	Atom E3845	A4-3400
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	✅ Better multi-core power	❌ Weaker in multi-core tasks
Price	Equivalent pricing	Equivalent pricing
Longevity	🛑 Legacy (Bay Trail-I (2013) / 22 nm)	🛑 Legacy (Llano (2011−2012) / 32 nm)

💎 Value Proposition

Insight	Atom E3845	A4-3400
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

A4-3400 Benchmark Check

Technical Specifications

Side-by-side comparison of Atom E3845 and A4-3400

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.

A4-3400

The A4-3400 is manufactured by AMD. It was released in 2014-01-01. It is based on the Llano (2011−2012) architecture. It features 2 cores and 2 threads. Base frequency is 2.7 GHz, with boost up to 2.7 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 32 nm process technology. Socket: FM1. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 1,066 points. Launch price was $50.

⚡

Processing Power

The Atom E3845 packs 4 cores / 4 threads, while the A4-3400 offers 2 cores / 2 threads — the Atom E3845 has 2 more cores. Boost clocks reach 1.91 GHz on the Atom E3845 versus 2.7 GHz on the A4-3400 — a 34.3% clock advantage for the A4-3400. The Atom E3845 uses the Bay Trail-I (2013) architecture (22 nm), while the A4-3400 uses Llano (2011−2012) (32 nm). In PassMark, the Atom E3845 scores 1,071 against the A4-3400's 1,066 — a 0.5% lead for the Atom E3845. Both processors carry 0 kB of L3 cache.

Feature	Atom E3845	A4-3400
Cores / Threads	4 / 4+100%	2 / 2
Boost Clock	1.91 GHz	2.7 GHz+41%
Base Clock	—	2.7 GHz
L3 Cache	0 kB	0 kB
L2 Cache	512 kB (per core)	512 kB (per core)
Process	22 nm-31%	32 nm
Architecture	Bay Trail-I (2013)	Llano (2011−2012)
PassMark	1,071	1,066
Geekbench 6 Single	—	349

🧠

Memory & Platform

The Atom E3845 uses the FCBGA1170 socket (PCIe 2.0), while the A4-3400 uses FM1 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to DDR3L-1333 memory speed. The A4-3400 supports up to 16 GB of RAM compared to 8 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 4 (Atom E3845) vs 16 (A4-3400) — the A4-3400 offers 12 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel FCBGA1170 (Atom E3845) and A55,A75 (A4-3400).

Feature	Atom E3845	A4-3400
Socket	FCBGA1170	FM1
PCIe Generation	PCIe 2.0	PCIe 2.0
Max RAM Speed	DDR3L-1333	DDR3-1600
Max RAM Capacity	8 GB	16 GB+100%
RAM Channels	2	2
ECC Support	✅	❌
PCIe Lanes	4	16+300%

🔧

Advanced Features

Virtualization: not specified (Atom E3845) / AMD-V (A4-3400). Both include integrated graphics — Intel HD Graphics (Bay Trail) (Atom E3845) and Radeon HD 6410D (A4-3400) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: A4-3400 targets Budget Desktop. Direct competitor: A4-3400 rivals Pentium G620.