Core 2 Extreme X7800 vs Atom x5-Z8550

Core 2 Extreme X7800

2 Cores2 Thrd4 WWMax: 2.6 GHz2007

Atom x5-Z8550

4 Cores4 Thrd−WMax: 2.4 GHz2016

Performance Spectrum - CPU

Core 2 Extreme X7800

2 / 2

1,138

0.0%

1,143

+0.4%

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 Extreme X7800 is positioned at rank 1145 and the Atom x5-Z8550 is on rank 723, so the Atom x5-Z8550 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 Extreme X7800

#1133

Atom x5-Z8300

MSRP: $20|Avg: N/A

3866%

#1134

Atom Z3735G

MSRP: $17|Avg: N/A

3809%

#1135

Core i5-480M

MSRP: $81|Avg: $77

3497%

#1136

Core i5-460M

MSRP: $80|Avg: $129

3481%

#1137

Core i5-2540M

MSRP: $266|Avg: $10

3449%

#1139

Core i5-450M

MSRP: $32|Avg: $31

3331%

#1140

Core i3-380M

MSRP: $49|Avg: $25

3194%

#1141

Core i5-430M

MSRP: N/A|Avg: $33

3188%

#1142

Core 2 Duo T6600

MSRP: N/A|Avg: $4

3103%

#1145

Core 2 Extreme X7800

MSRP: N/A|Avg: N/A

100%

#1146

Pentium 957

MSRP: $134|Avg: $10

100%

#1147

Core 2 Duo SL9400

MSRP: $284|Avg: N/A

99%

#1149

Pentium N3540

MSRP: $161|Avg: $161

99%

#1150

Core i7-3555LE

MSRP: $300|Avg: $280

98%

#1151

Core i3-2377M

MSRP: $250|Avg: N/A

97%

#1152

Core 2 Duo E8435

MSRP: $150|Avg: $74

97%

#1153

Celeron M 723

MSRP: $161|Avg: $161

97%

#1154

Core M-5Y51

MSRP: $281|Avg: $281

95%

#1155

Core i7-3517UE

MSRP: $330|Avg: $35

95%

#1156

Pentium N3530

MSRP: $161|Avg: $20

95%

#1157

Core i3-330E

MSRP: $177|Avg: $89

94%

#1159

Core i7-2640M

MSRP: $346|Avg: N/A

93%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Atom x5-Z8550

#711

Atom x5-Z8300

MSRP: $20|Avg: N/A

1027%

#712

Atom Z3735G

MSRP: $17|Avg: N/A

1012%

#713

Core i5-480M

MSRP: $81|Avg: $77

929%

#714

Core i5-460M

MSRP: $80|Avg: $129

924%

#715

Core i5-2540M

MSRP: $266|Avg: $10

916%

#717

Core i5-450M

MSRP: $32|Avg: $31

885%

#718

Core i3-380M

MSRP: $49|Avg: $25

848%

#719

Core i5-430M

MSRP: N/A|Avg: $33

847%

#720

Core 2 Duo T6600

MSRP: N/A|Avg: $4

824%

#723

Atom x5-Z8550

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-Z8550 (2016) utilizes 14 nm technology and DDR3, providing a fundamental performance advantage.

Insight	Core 2 Extreme X7800	Atom x5-Z8550
Gaming	✅ Superior gaming performance	❌ Lower gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	Equivalent pricing	Equivalent pricing
Longevity	🛑 Legacy (Merom XE (2007) / 65 nm)	🛑 Legacy (Cherry Trail (2015−2016) / 14 nm)

💎 Value Proposition

The Core 2 Extreme X7800 (2007) relies on 65 nm technology and older memory, placing it in a different performance category relative to modern standards.

Insight	Core 2 Extreme X7800	Atom x5-Z8550
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.

Core 2 Extreme X7800 Benchmark Check

Atom x5-Z8550 Benchmark Check

Technical Specifications

Side-by-side comparison of Core 2 Extreme X7800 and Atom x5-Z8550

Core 2 Extreme X7800

The Core 2 Extreme X7800 is manufactured by Intel. It was released in 17 July 2007 (18 years ago). It is based on the Merom XE (2007) architecture. It features 2 cores and 2 threads. Base frequency is 2.6 GHz, with boost up to 2.6 GHz. L3 cache: 4 MB L2 Cache. L2 cache: 4 MB. Built on 65 nm process technology. Socket: PGA478. Thermal design power (TDP): 44 Watt. Passmark benchmark score: 1,138 points. Launch price was $851.

Atom x5-Z8550

The Atom x5-Z8550 is manufactured by Intel. It was released in 8 February 2016 (9 years ago). It is based on the Cherry Trail (2015−2016) architecture. It features 4 cores and 4 threads. Base frequency is 1.44 GHz, with boost up to 2.4 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 14 nm process technology. Socket: UTFCBGA1380. Memory support: DDR3. Passmark benchmark score: 1,143 points. Launch price was $69.

⚡

Processing Power

The Core 2 Extreme X7800 packs 2 cores / 2 threads, while the Atom x5-Z8550 offers 4 cores / 4 threads — the Atom x5-Z8550 has 2 more cores. Boost clocks reach 2.6 GHz on the Core 2 Extreme X7800 versus 2.4 GHz on the Atom x5-Z8550 — a 8% clock advantage for the Core 2 Extreme X7800 (base: 2.6 GHz vs 1.44 GHz). The Core 2 Extreme X7800 uses the Merom XE (2007) architecture (65 nm), while the Atom x5-Z8550 uses Cherry Trail (2015−2016) (14 nm). In PassMark, the Core 2 Extreme X7800 scores 1,138 against the Atom x5-Z8550's 1,143 — a 0.4% lead for the Atom x5-Z8550. L3 cache: 4 MB L2 Cache on the Core 2 Extreme X7800 vs 0 kB on the Atom x5-Z8550.

Feature	Core 2 Extreme X7800	Atom x5-Z8550
Cores / Threads	2 / 2	4 / 4+100%
Boost Clock	2.6 GHz+8%	2.4 GHz
Base Clock	2.6 GHz+81%	1.44 GHz
L3 Cache	4 MB L2 Cache	0 kB
L2 Cache	4 MB+100%	2 MB
Process	65 nm	14 nm-78%
Architecture	Merom XE (2007)	Cherry Trail (2015−2016)
PassMark	1,138	1,143

🧠

Memory & Platform

The Core 2 Extreme X7800 uses the PGA478 socket (PCIe 1.1), while the Atom x5-Z8550 uses UTFCBGA1380 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR2-667 on the Core 2 Extreme X7800 versus LPDDR3-1600 on the Atom x5-Z8550 — the Atom x5-Z8550 supports 40% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Atom x5-Z8550 supports up to 8 GB of RAM compared to 4 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core 2 Extreme X7800) vs 2 (Atom x5-Z8550) — the Core 2 Extreme X7800 offers 14 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Socket P (Core 2 Extreme X7800) and Intel FC-UTBGA592 (Atom x5-Z8550).

Feature	Core 2 Extreme X7800	Atom x5-Z8550
Socket	PGA478	UTFCBGA1380
PCIe Generation	PCIe 1.1	PCIe 3.0+173%
Max RAM Speed	DDR2-667	LPDDR3-1600+50%
Max RAM Capacity	4 GB	8 GB+100%
RAM Channels	2	2
ECC Support	❌	❌
PCIe Lanes	16+700%	2

🔧

Advanced Features

Virtualization: VT-x (Core 2 Extreme X7800) / not specified (Atom x5-Z8550). The Atom x5-Z8550 includes integrated graphics (Intel HD Graphics (Cherry Trail)), while the Core 2 Extreme X7800 requires a dedicated GPU.