Core i7-2840QM
VS
Xeon E3-1220

Core i7-2840QM vs Xeon E3-1220

Intel

Core i7-2840QM

4 Cores8 Thrd45 WWMax: 2.4 GHz2011
VS
Intel

Xeon E3-1220

4 Cores4 Thrd80 WWMax: 3.4 GHz2011

Performance Spectrum - CPU

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 i7-2840QM is positioned at rank 311 and the Xeon E3-1220 is on rank 632, so the Core i7-2840QM 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 i7-2840QM

#299
Atom x5-Z8300
MSRP: $20|Avg: N/A
458%
#300
Atom Z3735G
MSRP: $17|Avg: N/A
452%
#301
Core i5-480M
MSRP: $81|Avg: $77
414%
#302
Core i5-460M
MSRP: $80|Avg: $129
413%
#303
Core i5-2540M
MSRP: $266|Avg: $10
409%
#305
Core i5-450M
MSRP: $32|Avg: $31
395%
#306
Core i3-380M
MSRP: $49|Avg: $25
379%
#307
Core i5-430M
MSRP: N/A|Avg: $33
378%
#308
Core 2 Duo T6600
MSRP: N/A|Avg: $4
368%
#311
Core i7-2840QM
MSRP: N/A|Avg: N/A
100%
Based on actual market prices and performance synthetic scores.

Performance Per Dollar Xeon E3-1220

#1
Xeon Platinum 8454H
MSRP: $6540|Avg: N/A
10768%
#6
Xeon Gold 6240R
MSRP: $2444|Avg: N/A
2033%
#10
Xeon 6337P
MSRP: $60|Avg: $5
1806%
#15
EPYC 9174F
MSRP: $194|Avg: $30
1395%
#378
Ryzen Threadripper PRO 9985WX
MSRP: $7999|Avg: $7999
100%
#379
Xeon W-3345
MSRP: $2499|Avg: $3319
100%
#380
Xeon Gold 6526Y
MSRP: $2878|Avg: N/A
99%
#382
Xeon Platinum 8352Y
MSRP: $3995|Avg: N/A
97%
#383
EPYC 7551P
MSRP: $2100|Avg: $329
94%
#632
Xeon E3-1220
MSRP: N/A|Avg: N/A
100%
#636
Xeon E5-2680 v2
MSRP: $667|Avg: $462
99%
#640
Xeon W-2104
MSRP: $294|Avg: $309
97%
#643
Xeon E5-2620 v3
MSRP: $417|Avg: $80
96%
Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Use Case Distinction: This is a comparison between a Professional Workstation processor ($0) and a Consumer Desktop CPU. The Xeon E3-1220 is engineered for massive parallel workloads (rendering, scientific simulations), offering significantly higher core counts.
InsightCore i7-2840QMXeon E3-1220
Gaming
Lower gaming performance
Superior gaming performance
Workstation
Weaker in multi-core tasks
Better multi-core power
Price
Equivalent pricing
Equivalent pricing
Longevity
🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm)
🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm)

💎 Value Proposition

The Core i7-2840QM ($0), however, is optimized for mixed workloads and gaming. For most users, it offers superior single-thread performance and responsiveness at a fraction of the cost ($0 less, NaN% cheaper), making it the better choice for daily use and gaming.
InsightCore i7-2840QMXeon E3-1220
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.

Technical Specifications

Side-by-side comparison of Core i7-2840QM and Xeon E3-1220

Intel

Core i7-2840QM

The Core i7-2840QM is manufactured by Intel. It was released in 4 September 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 4 cores and 8 threads. Max frequency: 2.4 GHz. L3 cache: 8 MB. L2 cache: 1 MB. Built on 32 nm process technology. Socket: G2. Thermal design power (TDP): 45 Watt. Passmark benchmark score: 3,842 points. Launch price was $69.

Intel

Xeon E3-1220

The Xeon E3-1220 is manufactured by Intel. It was released in 3 April 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 4 cores and 4 threads. Base frequency is 3.1 GHz, with boost up to 3.4 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 80 Watt. Memory support: DDR3. Passmark benchmark score: 3,859 points. Launch price was $395.

Processing Power

The Core i7-2840QM packs 4 cores / 8 threads, matching the Xeon E3-1220's 4 cores. Boost clocks reach 2.4 GHz on the Core i7-2840QM versus 3.4 GHz on the Xeon E3-1220 — a 34.5% clock advantage for the Xeon E3-1220. Both are built on the Sandy Bridge (2011−2013) architecture using a 32 nm process. In PassMark, the Core i7-2840QM scores 3,842 against the Xeon E3-1220's 3,859 — a 0.4% lead for the Xeon E3-1220. L3 cache: 8 MB on the Core i7-2840QM vs 8 MB (total) on the Xeon E3-1220.

FeatureCore i7-2840QMXeon E3-1220
Cores / Threads
4 / 8
4 / 4
Boost Clock
2.4 GHz
3.4 GHz+42%
Base Clock
3.1 GHz
L3 Cache
8 MB
8 MB (total)
L2 Cache
1 MB+300%
256 kB (per core)
Process
32 nm
32 nm
Architecture
Sandy Bridge (2011−2013)
Sandy Bridge (2011−2013)
PassMark
3,842
3,859
🧠

Memory & Platform

The Core i7-2840QM uses the G2 socket (PCIe 2.0), while the Xeon E3-1220 uses LGA1155 (PCIe 2.0) — making them incompatible on the same motherboard.

FeatureCore i7-2840QMXeon E3-1220
Socket
G2
LGA1155
PCIe Generation
PCIe 2.0
PCIe 2.0