Core i7-2820QM vs Pentium 6805

Core i7-2820QM

4 Cores8 Thrd45 WWMax: 3.4 GHz2011

Pentium 6805

2 Cores4 Thrd15 WWMax: 3 GHz2020

Performance Spectrum - CPU

Core i7-2820QM

4 / 8

4,379

0.0%

4,424

+1.0%

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 i7-2820QM is positioned at rank 1138 and the Pentium 6805 is on rank 744, so the Pentium 6805 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 i7-2820QM

#1126

Atom x5-Z8300

MSRP: $20|Avg: N/A

3805%

#1127

Atom Z3735G

MSRP: $17|Avg: N/A

3750%

#1128

Core i5-480M

MSRP: $81|Avg: $77

3442%

#1129

Core i5-460M

MSRP: $80|Avg: $129

3427%

#1130

Core i5-2540M

MSRP: $266|Avg: $10

3395%

#1132

Core i5-450M

MSRP: $32|Avg: $31

3279%

#1133

Core i3-380M

MSRP: $49|Avg: $25

3144%

#1134

Core i5-430M

MSRP: N/A|Avg: $33

3139%

#1135

Core 2 Duo T6600

MSRP: N/A|Avg: $4

3054%

#1138

Core i7-2820QM

MSRP: $568|Avg: N/A

100%

#1139

Core i5-520M

MSRP: $225|Avg: N/A

100%

#1141

Celeron 807

MSRP: $70|Avg: $10

99%

#1142

Pentium B950

MSRP: $134|Avg: $35

99%

#1143

Celeron 220

MSRP: $42|Avg: $42

99%

#1144

Pentium B960

MSRP: $134|Avg: $15

99%

#1146

Pentium 957

MSRP: $134|Avg: $10

98%

#1147

Core 2 Duo SL9400

MSRP: $284|Avg: N/A

98%

#1149

Pentium N3540

MSRP: $161|Avg: $161

97%

#1150

Core i7-3555LE

MSRP: $300|Avg: $280

97%

#1151

Core i3-2377M

MSRP: $250|Avg: N/A

96%

#1152

Core 2 Duo E8435

MSRP: $150|Avg: $74

95%

#1153

Celeron M 723

MSRP: $161|Avg: $161

95%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Pentium 6805

#732

Atom x5-Z8300

MSRP: $20|Avg: N/A

1068%

#733

Atom Z3735G

MSRP: $17|Avg: N/A

1052%

#734

Core i5-480M

MSRP: $81|Avg: $77

966%

#735

Core i5-460M

MSRP: $80|Avg: $129

961%

#736

Core i5-2540M

MSRP: $266|Avg: $10

953%

#738

Core i5-450M

MSRP: $32|Avg: $31

920%

#739

Core i3-380M

MSRP: $49|Avg: $25

882%

#740

Core i5-430M

MSRP: N/A|Avg: $33

881%

#741

Core 2 Duo T6600

MSRP: N/A|Avg: $4

857%

#744

Pentium 6805

MSRP: $161|Avg: $161

100%

#749

Ryzen 3 7320C

MSRP: $299|Avg: $200

100%

#757

Core i7-11370H

MSRP: $426|Avg: N/A

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 Pentium 6805 (2020) utilizes 10 nm technology and DDR4-3200, LPDDR4-3733, providing a fundamental performance advantage.

Insight	Core i7-2820QM	Pentium 6805
Gaming	✅ Superior gaming performance	❌ Lower gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	⚠️ Higher cost ($568)	✅ More affordable ($161)
Longevity	🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm)	✨ Modern (Ice Lake-Y (2020) / 10 nm)

💎 Value Proposition

The Core i7-2820QM (2011) relies on 32 nm technology and DDR3-1066, DDR3-1333, DDR3-1600, placing it in a different performance category relative to modern standards.

Insight	Core i7-2820QM	Pentium 6805
Cost Efficiency	❌ Lower cost efficiency	✅ Better overall value (+256%)
Upfront Cost	⚠️ Higher cost ($568)	✅ More affordable ($161)

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 i7-2820QM Benchmark Check

Pentium 6805 Benchmark Check

Technical Specifications

Side-by-side comparison of Core i7-2820QM and Pentium 6805

Core i7-2820QM

The Core i7-2820QM is manufactured by Intel. It was released in 3 January 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 4 cores and 8 threads. Base frequency is 2.3 GHz, with boost up to 3.4 GHz. L3 cache: 8 MB (total). L2 cache: 256K (per core). Built on 32 nm process technology. Socket: PGA988. Thermal design power (TDP): 45 Watt. Memory support: DDR3-1066, DDR3-1333, DDR3-1600. Passmark benchmark score: 4,379 points. Launch price was $568.

Pentium 6805

The Pentium 6805 is manufactured by Intel. It was released in 1 October 2020 (5 years ago). It is based on the Ice Lake-Y (2020) architecture. It features 2 cores and 4 threads. Base frequency is 1.1 GHz, with boost up to 3 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 10 nm process technology. Socket: FCBGA1526. Thermal design power (TDP): 15 Watt. Memory support: DDR4-3200, LPDDR4-3733. Passmark benchmark score: 4,424 points. Launch price was $161.

⚡

Processing Power

The Core i7-2820QM packs 4 cores / 8 threads, while the Pentium 6805 offers 2 cores / 4 threads — the Core i7-2820QM has 2 more cores. Boost clocks reach 3.4 GHz on the Core i7-2820QM versus 3 GHz on the Pentium 6805 — a 12.5% clock advantage for the Core i7-2820QM (base: 2.3 GHz vs 1.1 GHz). The Core i7-2820QM uses the Sandy Bridge (2011−2013) architecture (32 nm), while the Pentium 6805 uses Ice Lake-Y (2020) (10 nm). In PassMark, the Core i7-2820QM scores 4,379 against the Pentium 6805's 4,424 — a 1% lead for the Pentium 6805. L3 cache: 8 MB (total) on the Core i7-2820QM vs 4 MB (total) on the Pentium 6805.

Feature	Core i7-2820QM	Pentium 6805
Cores / Threads	4 / 8+100%	2 / 4
Boost Clock	3.4 GHz+13%	3 GHz
Base Clock	2.3 GHz+109%	1.1 GHz
L3 Cache	8 MB (total)+100%	4 MB (total)
L2 Cache	256K (per core)	256 kB (per core)
Process	32 nm	10 nm-69%
Architecture	Sandy Bridge (2011−2013)	Ice Lake-Y (2020)
PassMark	4,379	4,424+1%
Geekbench 6 Single	554	—
Geekbench 6 Multi	1,763	—

🧠

Memory & Platform

The Core i7-2820QM uses the PGA988 socket (PCIe 2.0), while the Pentium 6805 uses FCBGA1526 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Core i7-2820QM	Pentium 6805
Socket	PGA988	FCBGA1526
PCIe Generation	PCIe 2.0	PCIe 3.0+50%
Max RAM Speed	1600	—
Max RAM Capacity	32	—
RAM Channels	2	—
ECC Support	❌	—
PCIe Lanes	16	—

🔧

Advanced Features

Virtualization: true (Core i7-2820QM) / not specified (Pentium 6805). The Core i7-2820QM includes integrated graphics (Intel HD Graphics 3000), while the Pentium 6805 requires a dedicated GPU. Direct competitor: Core i7-2820QM rivals AMD A8-3510MX.