Core i3-5005U
VS
Core i7-840QM

Core i3-5005U vs Core i7-840QM

Intel

Core i3-5005U

2 Cores4 Thrd512 WWMax: 2 GHz2015
VS
Intel

Core i7-840QM

4 Cores8 Thrd45 WWMax: 3.2 GHz2010

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 i3-5005U is positioned at rank 362 and the Core i7-840QM is on rank 812, so the Core i3-5005U 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 i3-5005U

#107
Core Ultra 5 228V
MSRP: $295|Avg: $295
100%
#111
Ryzen 5 PRO 5675U
MSRP: N/A|Avg: $180
99%
#350
Atom x5-Z8300
MSRP: $20|Avg: N/A
510%
#351
Atom Z3735G
MSRP: $17|Avg: N/A
503%
#352
Core i5-480M
MSRP: $81|Avg: $77
462%
#353
Core i5-460M
MSRP: $80|Avg: $129
460%
#354
Core i5-2540M
MSRP: $266|Avg: $10
455%
#356
Core i5-450M
MSRP: $32|Avg: $31
440%
#357
Core i3-380M
MSRP: $49|Avg: $25
422%
#358
Core i5-430M
MSRP: N/A|Avg: $33
421%
#359
Core 2 Duo T6600
MSRP: N/A|Avg: $4
410%
#362
Core i3-5005U
MSRP: N/A|Avg: N/A
100%
#375
Pentium Dual Core T3200
MSRP: $64|Avg: $5
98%
Based on actual market prices and performance synthetic scores.

Performance Per Dollar Core i7-840QM

#799
Atom x5-Z8300
MSRP: $20|Avg: N/A
1232%
#800
Atom Z3735G
MSRP: $17|Avg: N/A
1214%
#801
Core i5-480M
MSRP: $81|Avg: $77
1114%
#802
Core i5-460M
MSRP: $80|Avg: $129
1109%
#803
Core i5-2540M
MSRP: $266|Avg: $10
1099%
#805
Core i5-450M
MSRP: $32|Avg: $31
1061%
#806
Core i3-380M
MSRP: $49|Avg: $25
1018%
#807
Core i5-430M
MSRP: N/A|Avg: $33
1016%
#808
Core 2 Duo T6600
MSRP: N/A|Avg: $4
989%
#811
Athlon II Neo K345
MSRP: $50|Avg: $10
100%
#812
Core i7-840QM
MSRP: N/A|Avg: N/A
100%
#817
Core i7-8709G
MSRP: $338|Avg: $150
99%
#818
Celeron M 560
MSRP: $86|Avg: $10
98%
#823
Celeron Dual-Core T3000
MSRP: $80|Avg: $15
94%
#824
Pentium P6100
MSRP: $100|Avg: $16.39
94%
Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Trade-off: The Core i3-5005U leads in gaming performance. However, the Core i7-840QM is the stronger candidate for professional workloads, offering 0.6% greater multi-core processing power.
InsightCore i3-5005UCore i7-840QM
Gaming
Superior gaming performance
Lower gaming performance
Workstation
Weaker in multi-core tasks
Better multi-core power
Price
Equivalent pricing
Equivalent pricing
Longevity
🛑 Legacy (Broadwell-U (2015) / 14 nm)
🛑 Legacy (Clarksfield (2009−2010) / 45 nm)

💎 Value Proposition

InsightCore i3-5005UCore i7-840QM
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 i3-5005U and Core i7-840QM

Intel

Core i3-5005U

The Core i3-5005U is manufactured by Intel. It was released in 1 March 2015 (10 years ago). It is based on the Broadwell-U (2015) architecture. It features 2 cores and 4 threads. Base frequency is 2 GHz, with boost up to 2 GHz. L3 cache: 3 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 15 Watt. Memory support: DDR3. Passmark benchmark score: 2,012 points. Launch price was $275.

Intel

Core i7-840QM

The Core i7-840QM is manufactured by Intel. It was released in 20 June 2010 (15 years ago). It is based on the Clarksfield (2009−2010) architecture. It features 4 cores and 8 threads. Base frequency is 1.86 GHz, with boost up to 3.2 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 45 nm process technology. Socket: PGA988. Thermal design power (TDP): 45 Watt. Memory support: DDR3. Passmark benchmark score: 2,025 points. Launch price was $568.

Processing Power

The Core i3-5005U packs 2 cores / 4 threads, while the Core i7-840QM offers 4 cores / 8 threads — the Core i7-840QM has 2 more cores. Boost clocks reach 2 GHz on the Core i3-5005U versus 3.2 GHz on the Core i7-840QM — a 46.2% clock advantage for the Core i7-840QM (base: 2 GHz vs 1.86 GHz). The Core i3-5005U uses the Broadwell-U (2015) architecture (14 nm), while the Core i7-840QM uses Clarksfield (2009−2010) (45 nm). In PassMark, the Core i3-5005U scores 2,012 against the Core i7-840QM's 2,025 — a 0.6% lead for the Core i7-840QM. Geekbench 6 single-core — the metric most relevant to gaming — records 617 vs 390, a 45.1% lead for the Core i3-5005U that directly translates to higher frame rates. Multi-core Geekbench: 1,227 vs 1,050 (15.5% advantage for the Core i3-5005U). L3 cache: 3 MB (total) on the Core i3-5005U vs 8 MB (total) on the Core i7-840QM.

FeatureCore i3-5005UCore i7-840QM
Cores / Threads
2 / 4
4 / 8+100%
Boost Clock
2 GHz
3.2 GHz+60%
Base Clock
2 GHz+8%
1.86 GHz
L3 Cache
3 MB (total)
8 MB (total)+167%
L2 Cache
256K (per core)
256 kB (per core)
Process
14 nm-69%
45 nm
Architecture
Broadwell-U (2015)
Clarksfield (2009−2010)
PassMark
2,012
2,025
Geekbench 6 Single
617+58%
390
Geekbench 6 Multi
1,227+17%
1,050
🧠

Memory & Platform

The Core i3-5005U uses the FCBGA1168 socket (PCIe 3.0), while the Core i7-840QM uses PGA988 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to DDR3L-1600 memory speed. The Core i3-5005U supports up to 16 GB of RAM compared to 8 GB 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 12 (Core i3-5005U) vs 16 (Core i7-840QM) — the Core i7-840QM offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel Broadwell-U (Core i3-5005U) and PM55,HM55,QM57,HM57 (Core i7-840QM).

FeatureCore i3-5005UCore i7-840QM
Socket
FCBGA1168
PGA988
PCIe Generation
PCIe 3.0+50%
PCIe 2.0
Max RAM Speed
DDR3L-1600
DDR3-1333
Max RAM Capacity
16 GB+100%
8 GB
RAM Channels
2
2
ECC Support
PCIe Lanes
12
16+33%
🔧

Advanced Features

Virtualization support: true (Core i3-5005U) vs VT-x, VT-d (Core i7-840QM). The Core i3-5005U includes integrated graphics (Intel HD Graphics 5500), while the Core i7-840QM requires a dedicated GPU. Primary use case: Core i7-840QM targets Laptop.

FeatureCore i3-5005UCore i7-840QM
Integrated GPU
Yes
No
IGPU Model
Intel HD Graphics 5500
Unlocked
No
AVX-512
No
No
Virtualization
true
VT-x, VT-d
Target Use
Laptop