Core i7-660UM vs Atom x7-Z8750

Core i7-660UM

2 Cores4 Thrd18 WWMax: 2.4 GHz2010

Atom x7-Z8750

4 Cores4 Thrd2 WWMax: 2.56 GHz2016

Performance Spectrum - CPU

Core i7-660UM

2 / 4

1,279

0.0%

Atom D2550

Pentium T3400

Pentium Dual-Core E2200

1,294

+1.2%

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 i7-660UM is positioned at rank 1225 and the Atom x7-Z8750 is on rank 664, so the Atom x7-Z8750 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 i7-660UM

#1213

Atom x5-Z8300

MSRP: $20|Avg: N/A

7280%

#1214

Atom Z3735G

MSRP: $17|Avg: N/A

7174%

#1215

Core i5-480M

MSRP: $81|Avg: $77

6586%

#1216

Core i5-460M

MSRP: $80|Avg: $129

6556%

#1217

Core i5-2540M

MSRP: $266|Avg: $10

6496%

#1219

Core i5-450M

MSRP: $32|Avg: $31

6273%

#1220

Core i3-380M

MSRP: $49|Avg: $25

6015%

#1221

Core i5-430M

MSRP: N/A|Avg: $33

6005%

#1222

Core 2 Duo T6600

MSRP: N/A|Avg: $4

5844%

#1225

Core i7-660UM

MSRP: $317|Avg: N/A

100%

#1226

C-30

MSRP: $50|Avg: $15

100%

#1228

Core i7-620UM

MSRP: $278|Avg: N/A

97%

#1230

Celeron 570

MSRP: $134|Avg: $15

94%

#1231

Core i7-820QM

MSRP: $546|Avg: N/A

83%

#1233

Core Duo T2700

MSRP: $663|Avg: N/A

70%

#1235

Pentium SU4100

MSRP: $289|Avg: $15

59%

#1236

Core Solo T1400

MSRP: $200|Avg: $5

53%

#1237

Core i7-940XM

MSRP: $1096|Avg: N/A

51%

#1238

Core Solo T1350

MSRP: $200|Avg: $70

50%

#1240

Core Solo T1300

MSRP: $209|Avg: $10

46%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Atom x7-Z8750

#652

Atom x5-Z8300

MSRP: $20|Avg: N/A

907%

#653

Atom Z3735G

MSRP: $17|Avg: N/A

894%

#654

Core i5-480M

MSRP: $81|Avg: $77

820%

#655

Core i5-460M

MSRP: $80|Avg: $129

817%

#656

Core i5-2540M

MSRP: $266|Avg: $10

809%

#658

Core i5-450M

MSRP: $32|Avg: $31

781%

#659

Core i3-380M

MSRP: $49|Avg: $25

749%

#660

Core i5-430M

MSRP: N/A|Avg: $33

748%

#661

Core 2 Duo T6600

MSRP: N/A|Avg: $4

728%

#664

Atom x7-Z8750

MSRP: N/A|Avg: N/A

100%

#665

Athlon X2 QL-64

MSRP: $50|Avg: $15

100%

#666

Core 3 N350

MSRP: $225|Avg: $220

100%

#668

FX-7500

MSRP: $100|Avg: $25

99%

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 x7-Z8750 (2016) utilizes 14 nm technology and DDR3, providing a fundamental performance advantage.

Insight	Core i7-660UM	Atom x7-Z8750
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	⚠️ Higher cost ($317)	✅ More affordable ($0)
Longevity	🛑 Legacy (Arrandale (2010−2011) / 32 nm)	🛑 Legacy (Cherry Trail (2015−2016) / 14 nm)

💎 Value Proposition

The Core i7-660UM (2010) relies on 32 nm technology and DDR3-800, placing it in a different performance category relative to modern standards.

Insight	Core i7-660UM	Atom x7-Z8750
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	⚠️ Higher cost ($317)	✅ 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 i7-660UM Benchmark Check

Atom x7-Z8750 Benchmark Check

Technical Specifications

Side-by-side comparison of Core i7-660UM and Atom x7-Z8750

Core i7-660UM

The Core i7-660UM is manufactured by Intel. It was released in 24 May 2010 (15 years ago). It is based on the Arrandale (2010−2011) architecture. It features 2 cores and 4 threads. Base frequency is 1.33 GHz, with boost up to 2.4 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: BGA1288. Thermal design power (TDP): 18 Watt. Memory support: DDR3-800. Passmark benchmark score: 1,279 points. Launch price was $317.

Atom x7-Z8750

The Atom x7-Z8750 is manufactured by Intel. It was released in 1 April 2016 (9 years ago). It is based on the Cherry Trail (2015−2016) architecture. It features 4 cores and 4 threads. Base frequency is 1.6 GHz, with boost up to 2.56 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 14 nm process technology. Socket: UTFCBGA1380. Thermal design power (TDP): 2 MB. Memory support: DDR3. Passmark benchmark score: 1,294 points. Launch price was $37.

⚡

Processing Power

The Core i7-660UM packs 2 cores / 4 threads, while the Atom x7-Z8750 offers 4 cores / 4 threads — the Atom x7-Z8750 has 2 more cores. Boost clocks reach 2.4 GHz on the Core i7-660UM versus 2.56 GHz on the Atom x7-Z8750 — a 6.5% clock advantage for the Atom x7-Z8750 (base: 1.33 GHz vs 1.6 GHz). The Core i7-660UM uses the Arrandale (2010−2011) architecture (32 nm), while the Atom x7-Z8750 uses Cherry Trail (2015−2016) (14 nm). In PassMark, the Core i7-660UM scores 1,279 against the Atom x7-Z8750's 1,294 — a 1.2% lead for the Atom x7-Z8750. L3 cache: 4 MB (total) on the Core i7-660UM vs 0 kB on the Atom x7-Z8750.

Feature	Core i7-660UM	Atom x7-Z8750
Cores / Threads	2 / 4	4 / 4+100%
Boost Clock	2.4 GHz	2.56 GHz+7%
Base Clock	1.33 GHz	1.6 GHz+20%
L3 Cache	4 MB (total)	0 kB
L2 Cache	256 kB (per core)	2 MB+700%
Process	32 nm	14 nm-56%
Architecture	Arrandale (2010−2011)	Cherry Trail (2015−2016)
PassMark	1,279	1,294+1%
Geekbench 6 Single	250	—
Geekbench 6 Multi	600	—

🧠

Memory & Platform

The Core i7-660UM uses the BGA1288 socket (PCIe 2.0), while the Atom x7-Z8750 uses UTFCBGA1380 (PCIe 3.0) — making them incompatible on the same motherboard. Both support up to DDR3-1066 memory speed. Both support up to 8 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core i7-660UM) vs 2 (Atom x7-Z8750) — the Core i7-660UM offers 14 more lanes for additional GPUs or NVMe drives. Chipset compatibility: PM55,HM55,QM57,HM57 (Core i7-660UM) and Intel FC-UTBGA592 (Atom x7-Z8750).

Feature	Core i7-660UM	Atom x7-Z8750
Socket	BGA1288	UTFCBGA1380
PCIe Generation	PCIe 2.0	PCIe 3.0+50%
Max RAM Speed	DDR3-1066	LPDDR3-1600
Max RAM Capacity	8 GB	8 GB
RAM Channels	2	2
ECC Support	❌	❌
PCIe Lanes	16+700%	2

🔧

Advanced Features

Virtualization: VT-x, VT-d (Core i7-660UM) / not specified (Atom x7-Z8750). Both include integrated graphics — HD Graphics (Core i7-660UM) and Intel HD Graphics (Cherry Trail) (Atom x7-Z8750) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i7-660UM targets Budget.