Atom x5-E3940 vs Core 2 Extreme QX9300

Atom x5-E3940

4 Cores4 Thrd10 WWMax: 1.8 GHz2014

Core 2 Extreme QX9300

4 Cores4 Thrd12 WWMax: 2.53 GHz2008

Performance Spectrum - CPU

Atom x5-E3940

4 / 4

1,816

+0.6%

Core 2 Extreme QX9300

4 / 4

1,805

0.0%

Pentium 2117U

Pentium N3540

Celeron 1020E

Pentium Dual Core T2370

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 x5-E3940 is positioned at rank 337 and the Core 2 Extreme QX9300 is on rank 924, so the Atom x5-E3940 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 x5-E3940

#101

Core i5-1350P

MSRP: $320|Avg: $250

97%

#325

Atom x5-Z8300

MSRP: $20|Avg: N/A

485%

#326

Atom Z3735G

MSRP: $17|Avg: N/A

478%

#327

Core i5-480M

MSRP: $81|Avg: $77

438%

#328

Core i5-460M

MSRP: $80|Avg: $129

436%

#329

Core i5-2540M

MSRP: $266|Avg: $10

432%

#331

Core i5-450M

MSRP: $32|Avg: $31

418%

#332

Core i3-380M

MSRP: $49|Avg: $25

400%

#333

Core i5-430M

MSRP: N/A|Avg: $33

400%

#334

Core 2 Duo T6600

MSRP: N/A|Avg: $4

389%

#337

Atom x5-E3940

MSRP: N/A|Avg: N/A

100%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Core 2 Extreme QX9300

#912

Atom x5-Z8300

MSRP: $20|Avg: N/A

1625%

#913

Atom Z3735G

MSRP: $17|Avg: N/A

1602%

#914

Core i5-480M

MSRP: $81|Avg: $77

1470%

#915

Core i5-460M

MSRP: $80|Avg: $129

1464%

#916

Core i5-2540M

MSRP: $266|Avg: $10

1450%

#918

Core i5-450M

MSRP: $32|Avg: $31

1401%

#919

Core i3-380M

MSRP: $49|Avg: $25

1343%

#920

Core i5-430M

MSRP: N/A|Avg: $33

1341%

#921

Core 2 Duo T6600

MSRP: N/A|Avg: $4

1305%

#924

Core 2 Extreme QX9300

MSRP: N/A|Avg: N/A

100%

#928

A8-6410

MSRP: $100|Avg: $40

98%

#933

Athlon X2 L310

MSRP: $100|Avg: $20

97%

#939

FX-7600P

MSRP: $150|Avg: $45

94%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Generational Difference: This comparison involves processors from different technological eras. The Atom x5-E3940 (2014) utilizes 14 nm technology and DDR3-1866, providing a fundamental performance advantage.

Insight	Atom x5-E3940	Core 2 Extreme QX9300
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	✅ Better multi-core power	❌ Weaker in multi-core tasks
Price	Equivalent pricing	Equivalent pricing
Longevity	🛑 Legacy (Apollo Lake (2014−2016) / 14 nm)	🛑 Legacy (Penryn (2008−2011) / 45 nm)

💎 Value Proposition

The Core 2 Extreme QX9300 (2008) relies on 45 nm technology and older memory, placing it in a different performance category relative to modern standards.

Insight	Atom x5-E3940	Core 2 Extreme QX9300
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 x5-E3940 Benchmark Check

Core 2 Extreme QX9300 Benchmark Check

Technical Specifications

Side-by-side comparison of Atom x5-E3940 and Core 2 Extreme QX9300

Atom x5-E3940

The Atom x5-E3940 is manufactured by Intel. It was released in 30 August 2014 (11 years ago). It is based on the Apollo Lake (2014−2016) architecture. It features 4 cores and 4 threads. Base frequency is 1.6 GHz, with boost up to 1.8 GHz. L3 cache: 0 kB. L2 cache: 2 MB (total). Built on 14 nm process technology. Socket: FCBGA1296. Thermal design power (TDP): 10 Watt. Memory support: DDR3-1866. Passmark benchmark score: 1,816 points. Launch price was $69.

Core 2 Extreme QX9300

The Core 2 Extreme QX9300 is manufactured by Intel. It was released in 2008-01-01. It is based on the Penryn (2008−2011) architecture. It features 4 cores and 4 threads. Base frequency is 2.53 GHz, with boost up to 2.53 GHz. L3 cache: 0 kB. L2 cache: 12 MB. Built on 45 nm process technology. Socket: PGA478. Thermal design power (TDP): 45 Watt. Passmark benchmark score: 1,805 points. Launch price was $249.

⚡

Processing Power

Both the Atom x5-E3940 and Core 2 Extreme QX9300 share an identical 4-core/4-thread configuration. Boost clocks reach 1.8 GHz on the Atom x5-E3940 versus 2.53 GHz on the Core 2 Extreme QX9300 — a 33.7% clock advantage for the Core 2 Extreme QX9300 (base: 1.6 GHz vs 2.53 GHz). The Atom x5-E3940 uses the Apollo Lake (2014−2016) architecture (14 nm), while the Core 2 Extreme QX9300 uses Penryn (2008−2011) (45 nm). In PassMark, the Atom x5-E3940 scores 1,816 against the Core 2 Extreme QX9300's 1,805 — a 0.6% lead for the Atom x5-E3940. Both processors carry 0 kB of L3 cache.

Feature	Atom x5-E3940	Core 2 Extreme QX9300
Cores / Threads	4 / 4	4 / 4
Boost Clock	1.8 GHz	2.53 GHz+41%
Base Clock	1.6 GHz	2.53 GHz+58%
L3 Cache	0 kB	0 kB
L2 Cache	2 MB (total)	12 MB+500%
Process	14 nm-69%	45 nm
Architecture	Apollo Lake (2014−2016)	Penryn (2008−2011)
PassMark	1,816	1,805

🧠

Memory & Platform

The Atom x5-E3940 uses the FCBGA1296 socket (PCIe 3.0), while the Core 2 Extreme QX9300 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard.

Feature	Atom x5-E3940	Core 2 Extreme QX9300
Socket	FCBGA1296	PGA478
PCIe Generation	PCIe 3.0+173%	PCIe 1.1
Max RAM Speed	DDR3L-1866	—
Max RAM Capacity	8 GB	—
RAM Channels	2	—
ECC Support	✅	—
PCIe Lanes	6	—