Core 2 Duo T7100 vs Atom x5-E3940

CPU

GPU

Core 2 Duo T7100

2 Cores2 Thrd2 WWMax: 1.8 GHz2007

Atom x5-E3940

4 Cores4 Thrd10 WWMax: 1.8 GHz2014

Performance Spectrum - CPU

Core 2 Duo T7100

2 / 2

1,817

+0.1%

1,816

0.0%

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 Core 2 Duo T7100 is positioned at rank 24 and the Atom x5-E3940 is on rank 337, so the Core 2 Duo T7100 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 Core 2 Duo T7100

#12

Atom x5-Z8300

MSRP: $20|Avg: N/A

161%

#13

Atom Z3735G

MSRP: $17|Avg: N/A

159%

#14

Core i5-480M

MSRP: $81|Avg: $77

146%

#15

Core i5-460M

MSRP: $80|Avg: $129

145%

#16

Core i5-2540M

MSRP: $266|Avg: $10

144%

#18

Core i5-450M

MSRP: $32|Avg: $31

139%

#19

Core i3-380M

MSRP: $49|Avg: $25

133%

#20

Core i5-430M

MSRP: N/A|Avg: $33

133%

#21

Core 2 Duo T6600

MSRP: N/A|Avg: $4

130%

#24

Core 2 Duo T7100

MSRP: $197|Avg: $15

100%

#27

Pentium 2030M

MSRP: $134|Avg: N/A

96%

#28

Core 2 Duo T5750

MSRP: N/A|Avg: $8

96%

#29

Core 2 Duo T7200

MSRP: $286|Avg: $6

94%

#30

Core i5-3230M

MSRP: $225|Avg: $13

94%

#31

Atom D525

MSRP: $63|Avg: N/A

94%

#32

Atom x7835RE

MSRP: $127|Avg: N/A

93%

#33

Core 2 Duo P8400

MSRP: $209|Avg: $10

92%

#38

Core 2 Duo T8100

MSRP: $209|Avg: $10

85%

#39

Atom 330

MSRP: $43|Avg: $30

84%

Based on actual market prices and performance synthetic scores.

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 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	Core 2 Duo T7100	Atom x5-E3940
Gaming	Balanced gaming performance	Balanced gaming performance
Workstation	✅ Better multi-core power	❌ Weaker in multi-core tasks
Price	⚠️ Higher cost ($15)	✅ More affordable ($0)
Longevity	🛑 Legacy (Merom (2006−2008) / 65 nm)	🛑 Legacy (Apollo Lake (2014−2016) / 14 nm)

💎 Value Proposition

The Core 2 Duo T7100 (2007) relies on 65 nm technology and older memory, placing it in a different performance category relative to modern standards.

Insight	Core 2 Duo T7100	Atom x5-E3940
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	⚠️ Higher cost ($15)	✅ More affordable ($0)

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.

Core 2 Duo T7100 Benchmark Check

Atom x5-E3940 Benchmark Check

Technical Specifications

Side-by-side comparison of Core 2 Duo T7100 and Atom x5-E3940

Core 2 Duo T7100

The Core 2 Duo T7100 is manufactured by Intel. It was released in 9 May 2007 (18 years ago). It is based on the Merom (2006−2008) architecture. It features 2 cores and 2 threads. Base frequency is 1.8 GHz, with boost up to 1.8 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 65 nm process technology. Socket: PGA478. Thermal design power (TDP): 35 Watt. Passmark benchmark score: 1,817 points. Launch price was $197.

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.

⚡

Processing Power

The Core 2 Duo T7100 packs 2 cores / 2 threads, while the Atom x5-E3940 offers 4 cores / 4 threads — the Atom x5-E3940 has 2 more cores. Boost clocks reach 1.8 GHz on the Core 2 Duo T7100 versus 1.8 GHz on the Atom x5-E3940 — identical boost frequencies (base: 1.8 GHz vs 1.6 GHz). The Core 2 Duo T7100 uses the Merom (2006−2008) architecture (65 nm), while the Atom x5-E3940 uses Apollo Lake (2014−2016) (14 nm). In PassMark, the Core 2 Duo T7100 scores 1,817 against the Atom x5-E3940's 1,816 — a 0.1% lead for the Core 2 Duo T7100. Both processors carry 0 kB of L3 cache.

Feature	Core 2 Duo T7100	Atom x5-E3940
Cores / Threads	2 / 2	4 / 4+100%
Boost Clock	1.8 GHz	1.8 GHz
Base Clock	1.8 GHz+12%	1.6 GHz
L3 Cache	0 kB	0 kB
L2 Cache	2 MB	2 MB (total)
Process	65 nm	14 nm-78%
Architecture	Merom (2006−2008)	Apollo Lake (2014−2016)
PassMark	1,817	1,816

🧠

Memory & Platform

The Core 2 Duo T7100 uses the PGA478 socket (PCIe 1.1), while the Atom x5-E3940 uses FCBGA1296 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR2-667 on the Core 2 Duo T7100 versus DDR3L-1866 on the Atom x5-E3940 — the Atom x5-E3940 supports 40% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both feature 2-channel memory with ECC support. Chipset compatibility: GM965,PM965 (Core 2 Duo T7100) and Intel FCBGA1296 (Atom x5-E3940).

Feature	Core 2 Duo T7100	Atom x5-E3940
Socket	PGA478	FCBGA1296
PCIe Generation	PCIe 1.1	PCIe 3.0+173%
Max RAM Speed	DDR2-667	DDR3L-1866+50%
Max RAM Capacity	—	8 GB
RAM Channels	2	2
ECC Support	❌	✅
PCIe Lanes	—	6

🔧

Advanced Features

Virtualization: VT-x (Core 2 Duo T7100) / not specified (Atom x5-E3940). The Atom x5-E3940 includes integrated graphics (Intel HD Graphics 500), while the Core 2 Duo T7100 requires a dedicated GPU. Primary use case: Core 2 Duo T7100 targets Budget. Direct competitor: Core 2 Duo T7100 rivals Athlon 64 X2 TK-42.