A4-3400 vs Atom E3845

A4-3400

2 Cores2 Thrd65 WWMax: 2.7 GHz2011

Atom E3845

4 Cores4 Thrd10 WWMax: 1.91 GHz2013

Performance Spectrum - CPU

A4-3400

2 / 2

1,066

0.0%

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Atom E3845

4 / 4

1,071

+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 A4-3400 is positioned at rank 850 and the Atom E3845 is on rank 764, 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 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 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 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	A4-3400	Atom 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 (Llano (2011−2012) / 32 nm)	🛑 Legacy (Bay Trail-I (2013) / 22 nm)

💎 Value Proposition

Insight	A4-3400	Atom 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.

A4-3400 Benchmark Check

Atom E3845 Benchmark Check

Technical Specifications

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

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.

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

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

🧠

Memory & Platform

The A4-3400 uses the FM1 socket (PCIe 2.0), while the Atom E3845 uses FCBGA1170 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to DDR3-1600 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: 16 (A4-3400) vs 4 (Atom E3845) — the A4-3400 offers 12 more lanes for additional GPUs or NVMe drives. Chipset compatibility: A55,A75 (A4-3400) and Intel FCBGA1170 (Atom E3845).

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

🔧

Advanced Features

Virtualization: AMD-V (A4-3400) / not specified (Atom E3845). Both include integrated graphics — Radeon HD 6410D (A4-3400) and Intel HD Graphics (Bay Trail) (Atom E3845) — 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.