Core i7-2820QM vs Pentium Gold G6505

Core i7-2820QM

4 Cores8 Thrd45 WWMax: 3.4 GHz2011

Pentium Gold G6505

2 Cores4 Thrd58 WWMax: 4.2 GHz2021

Performance Spectrum - CPU

Core i7-2820QM

4 / 8

4,379

+0.2%

4,371

0.0%

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. The Core i7-2820QM is positioned at rank #1138 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. Components placed above yours deliver better value for money.

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

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 Gold G6505 (2021) utilizes 14 nm technology and DDR4-2666, providing a fundamental performance advantage.

Insight	Core i7-2820QM	Pentium Gold G6505
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	✅ Better multi-core power	❌ Weaker in multi-core tasks
Price	⚠️ Higher cost ($568)	✅ More affordable ($0)
Longevity	🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm)	✨ Modern (Comet Lake-R (2021) / 14 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 Gold G6505
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	⚠️ Higher cost ($568)	✅ 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 i7-2820QM Benchmark Check

Pentium Gold G6505 Benchmark Check

Technical Specifications

Side-by-side comparison of Core i7-2820QM and Pentium Gold G6505

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 Gold G6505

The Pentium Gold G6505 is manufactured by Intel. It was released in 16 March 2021 (4 years ago). It is based on the Comet Lake-R (2021) architecture. It features 2 cores and 4 threads. Base frequency is 4.2 GHz, with boost up to 4.2 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 58 Watt. Memory support: DDR4-2666. Passmark benchmark score: 4,371 points. Launch price was $75.

⚡

Processing Power

The Core i7-2820QM packs 4 cores / 8 threads, while the Pentium Gold G6505 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 4.2 GHz on the Pentium Gold G6505 — a 21.1% clock advantage for the Pentium Gold G6505 (base: 2.3 GHz vs 4.2 GHz). The Core i7-2820QM uses the Sandy Bridge (2011−2013) architecture (32 nm), while the Pentium Gold G6505 uses Comet Lake-R (2021) (14 nm). In PassMark, the Core i7-2820QM scores 4,379 against the Pentium Gold G6505's 4,371 — a 0.2% lead for the Core i7-2820QM. L3 cache: 8 MB (total) on the Core i7-2820QM vs 4 MB (total) on the Pentium Gold G6505.

Feature	Core i7-2820QM	Pentium Gold G6505
Cores / Threads	4 / 8+100%	2 / 4
Boost Clock	3.4 GHz	4.2 GHz+24%
Base Clock	2.3 GHz	4.2 GHz+83%
L3 Cache	8 MB (total)+100%	4 MB (total)
L2 Cache	256K (per core)	256 kB (per core)
Process	32 nm	14 nm-56%
Architecture	Sandy Bridge (2011−2013)	Comet Lake-R (2021)
PassMark	4,379	4,371
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 Gold G6505 uses LGA1200 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Core i7-2820QM	Pentium Gold G6505
Socket	PGA988	LGA1200
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 Gold G6505). The Core i7-2820QM includes integrated graphics (Intel HD Graphics 3000), while the Pentium Gold G6505 requires a dedicated GPU. Direct competitor: Core i7-2820QM rivals AMD A8-3510MX.