Pentium D 820 vs Ryzen 5 5600

Pentium D 820

2 Cores2 Thrd2 WWMax: 2.8 GHz2005

Ryzen 5 5600

6 Cores12 Thrd65 WWMax: 4.4 GHz2022

Performance Spectrum - CPU

Pentium D 820

2 / 2

1,412

0.0%

21,550

+1426.2%

Ryzen Threadripper PRO 5975WX

Ryzen Threadripper 9960X

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 Pentium D 820 is positioned at rank #1065 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 Pentium D 820

Ryzen 9 7950X

MSRP: $194|Avg: $20

53194%

Core i9-10900T

MSRP: $120|Avg: $5

50263%

Ryzen 3 PRO 4355GE

MSRP: $423|Avg: $5

36495%

Ryzen Threadripper 3960X

MSRP: $1399|Avg: $85

10994%

Ryzen 9 9950X

MSRP: $649|Avg: $129

8709%

Ryzen 5 8400F

MSRP: $303|Avg: $55

7618%

Ryzen 7 PRO 2700

MSRP: $299|Avg: $60

4363%

Ryzen 5 2600X

MSRP: $229|Avg: $55

4306%

Ryzen 3 PRO 5350G

MSRP: $150|Avg: $60

3921%

#10

Core Ultra 5 245KF

MSRP: $294|Avg: $189

3921%

#11

Ryzen 5 5500

MSRP: $159|Avg: $85

3877%

#12

Ryzen 5 3600

MSRP: $199|Avg: $80

3772%

#13

Core i3-9100E

MSRP: $202|Avg: $30

3720%

#14

Core Ultra 5 245K

MSRP: $319|Avg: $200

3705%

#15

Core i3-8300T

MSRP: $138|Avg: $25

3671%

#1065

Pentium D 820

MSRP: $241|Avg: $20

100%

#1066

Celeron 2.10

MSRP: $49|Avg: $49

99%

#1067

Core i7-950

MSRP: $562|Avg: $15

99%

#1068

Sempron 3100+

MSRP: $65|Avg: $15

98%

#1069

Athlon II X4 635

MSRP: $400|Avg: $250

96%

#1070

Core 2 Duo E6750

MSRP: $183|Avg: $15

96%

#1071

Core i7-940

MSRP: $562|Avg: $90

92%

#1072

Celeron 2.40

MSRP: $69|Avg: $13

85%

#1073

Sempron 2800+

MSRP: $65|Avg: $29

84%

#1074

Athlon 64 3100+

MSRP: $100|Avg: $15

81%

#1075

Sempron 3600+

MSRP: $105|Avg: $20

79%

#1076

Celeron 2.80

MSRP: $100|Avg: $15

73%

#1077

Athlon 64 X2 6000+

MSRP: $450|Avg: $20

69%

#1078

Athlon 64 3600+

MSRP: $149|Avg: $15

68%

#1079

Core 2 Quad Q6700

MSRP: $530|Avg: $50

67%

#1080

Athlon 64 2600+

MSRP: $100|Avg: $5

67%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Ryzen 5 5600

Ryzen 5 2600X

MSRP: $229|Avg: $55

135%

Ryzen 3 PRO 5350G

MSRP: $150|Avg: $60

123%

#10

Core Ultra 5 245KF

MSRP: $294|Avg: $189

123%

#11

Ryzen 5 5500

MSRP: $159|Avg: $85

121%

#12

Ryzen 5 3600

MSRP: $199|Avg: $80

118%

#13

Core i3-9100E

MSRP: $202|Avg: $30

116%

#14

Core Ultra 5 245K

MSRP: $319|Avg: $200

116%

#15

Core i3-8300T

MSRP: $138|Avg: $25

115%

#16

Core Ultra 5 225F

MSRP: $231|Avg: $150

112%

#17

Core Ultra 7 265K

MSRP: $309|Avg: $285

110%

#18

Ryzen 9 3900

MSRP: $499|Avg: $150

109%

#19

Ryzen 5 3600X

MSRP: $249|Avg: $90

108%

#20

Core i7-14700KF

MSRP: $384|Avg: $260

107%

#21

Core i7-14700K

MSRP: $409|Avg: $270

103%

#22

Ryzen 5 4500

MSRP: $129|Avg: $85

101%

#23

Ryzen 5 5600

MSRP: $199|Avg: $115

100%

#24

Celeron G5925

MSRP: $62|Avg: $15

100%

#25

Ryzen 5 7500F

MSRP: $179|Avg: $145

98%

#26

Core Ultra 5 245

MSRP: $319|Avg: $220

97%

#27

Ryzen 7 2700

MSRP: $299|Avg: $86

97%

#28

Core Ultra 7 265KF

MSRP: $379|Avg: $323

97%

#29

Core Ultra 7 265F

MSRP: $369|Avg: $276

95%

#30

Core i5-12400F

MSRP: $174|Avg: $110

95%

#31

Ryzen 3 PRO 5355G

MSRP: $130|Avg: $80

94%

#32

Ryzen 7 2700X

MSRP: $329|Avg: $100

93%

#33

Core i3-10100F

MSRP: $88|Avg: $50

93%

#34

Ryzen 5 7400F

MSRP: $150|Avg: $147

93%

#35

Ryzen 5 9600X

MSRP: $279|Avg: $178

90%

#36

Ryzen 7 3800X

MSRP: $399|Avg: $140

88%

#37

Ryzen 3 5300G

MSRP: $130|Avg: $80

87%

#38

Ryzen 9 7900X

MSRP: $549|Avg: $316

87%

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 Ryzen 5 5600 (2022) utilizes 7 nm technology and DDR4-3200, providing a fundamental performance advantage.

Insight	Pentium D 820	Ryzen 5 5600
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	✅ More affordable ($20)	⚠️ Higher cost ($115)
Longevity	🛑 Legacy (NetBurst (2000−2006) / 90 nm)	✨ Modern (Vermeer (2020−2025) / 7 nm)

💎 Value Proposition

The Pentium D 820 (2005) relies on 90 nm technology and DDR1, DDR2, DDR3, placing it in a different performance category relative to modern standards.

Insight	Pentium D 820	Ryzen 5 5600
Cost Efficiency	❌ Lower cost efficiency	✅ Better overall value (+165%)
Upfront Cost	✅ More affordable ($20)	⚠️ Higher cost ($115)

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.

Pentium D 820 Benchmark Check

Ryzen 5 5600 Benchmark Check

Technical Specifications

Side-by-side comparison of Pentium D 820 and Ryzen 5 5600

Pentium D 820

The Pentium D 820 is manufactured by Intel. It was released in 2007-01-01. It is based on the NetBurst (2000−2006) architecture. It features 2 cores and 2 threads. Base frequency is 2.8 GHz, with boost up to 2.8 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 90 nm process technology. Socket: LGA775. Thermal design power (TDP): 95 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 1,412 points. Launch price was $69.

Ryzen 5 5600

The Ryzen 5 5600 is manufactured by AMD. It was released in 20 April 2022 (3 years ago). It is based on the Vermeer (2020−2025) architecture. It features 6 cores and 12 threads. Base frequency is 3.5 GHz, with boost up to 4.4 GHz. L3 cache: 32 MB (total). L2 cache: 512K (per core). Built on 7 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4-3200. Passmark benchmark score: 21,550 points. Launch price was $299.

⚡

Processing Power

The Pentium D 820 packs 2 cores / 2 threads, while the Ryzen 5 5600 offers 6 cores / 12 threads — the Ryzen 5 5600 has 4 more cores. Boost clocks reach 2.8 GHz on the Pentium D 820 versus 4.4 GHz on the Ryzen 5 5600 — a 44.4% clock advantage for the Ryzen 5 5600 (base: 2.8 GHz vs 3.5 GHz). The Pentium D 820 uses the NetBurst (2000−2006) architecture (90 nm), while the Ryzen 5 5600 uses Vermeer (2020−2025) (7 nm). In PassMark, the Pentium D 820 scores 1,412 against the Ryzen 5 5600's 21,550 — a 175.4% lead for the Ryzen 5 5600. Geekbench 6 single-core — the metric most relevant to gaming — records 166 vs 2,052, a 170.1% lead for the Ryzen 5 5600 that directly translates to higher frame rates. L3 cache: 0 kB on the Pentium D 820 vs 32 MB (total) on the Ryzen 5 5600.

Feature	Pentium D 820	Ryzen 5 5600
Cores / Threads	2 / 2	6 / 12+200%
Boost Clock	2.8 GHz	4.4 GHz+57%
Base Clock	2.8 GHz	3.5 GHz+25%
L3 Cache	0 kB	32 MB (total)
L2 Cache	2 MB+300%	512K (per core)
Process	90 nm	7 nm-92%
Architecture	NetBurst (2000−2006)	Vermeer (2020−2025)
PassMark	1,412	21,550+1426%
Cinebench R23 Multi	—	11,077
Geekbench 6 Single	166	2,052+1136%
Geekbench 6 Multi	—	8,600

🧠

Memory & Platform

The Pentium D 820 uses the LGA775 socket (PCIe 1.1), while the Ryzen 5 5600 uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR2-667 on the Pentium D 820 versus DDR4-3200 on the Ryzen 5 5600 — the Ryzen 5 5600 supports 66.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 5 5600 supports up to 128 GB of RAM compared to 4 GB — 187.9% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Pentium D 820) vs 24 (Ryzen 5 5600) — the Ryzen 5 5600 offers 24 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel 945,Intel 955 (Pentium D 820) and B550,X570,B450,X470,A520 (Ryzen 5 5600).

Feature	Pentium D 820	Ryzen 5 5600
Socket	LGA775	AM4
PCIe Generation	PCIe 1.1	PCIe 4.0+264%
Max RAM Speed	DDR2-667	DDR4-3200+100%
Max RAM Capacity	4 GB	128 GB+3100%
RAM Channels	2	2
ECC Support	❌	✅
PCIe Lanes	0	24

🔧

Advanced Features

Virtualization support: No (Pentium D 820) vs AMD-V (Ryzen 5 5600). Primary use case: Ryzen 5 5600 targets Desktop.

Feature	Pentium D 820	Ryzen 5 5600
Integrated GPU	No	No
Unlocked	—	Yes
AVX-512	No	No
Virtualization	No	AMD-V
Target Use	—	Desktop

💰

Value Analysis

The Pentium D 820 launched at $241 MSRP, while the Ryzen 5 5600 debuted at $199. At current prices ($20 vs $115), the Pentium D 820 is $95 cheaper. In terms of value (PassMark points per dollar), the Pentium D 820 delivers 70.6 pts/$ vs 187.4 pts/$ for the Ryzen 5 5600 — making the Ryzen 5 5600 the 90.5% better value option.