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.

Overview

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.

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.

FPS Benchmarks

Predicted performance for Pentium D 820 across popular games. Tested paired with RTX 4090 to isolate CPU performance.

Technical Analysis

Detailed breakdown of Pentium D 820 specifications and capabilities.

⚡

Processing Power

The Pentium D 820 is a 2-core / 2-thread processor based on the NetBurst (2000−2006) architecture, manufactured on a 90 nm process node. It reaches a maximum boost clock of 2.8 GHz from a base frequency of 2.8 GHz— higher boost clocks directly translate to better single-threaded performance and responsiveness in gaming. It carries 0 kB of L3 cache, plus 2 MB of L2 cache and 28 kB of L1 cache per core. In the PassMark benchmark (a comprehensive multi-threaded test), it scores 1,412, placing it in the Entry Level performance tier as a Legacy generation product. Geekbench 6 single-core (the most relevant metric for gaming FPS) records 166.

Specification	Pentium D 820
Cores / ThreadsPhysical/logical processing units	2C / 2T
Max Boost ClockPeak single-core speed under boost	2.8 GHz
Base ClockGuaranteed minimum operating frequency	2.8 GHz
ArchitectureCPU microarchitecture design	NetBurst (2000−2006)
Process NodeFabrication technology — smaller = more efficient	90 nm
L3 CacheShared cache — reduces memory latency for all cores	0 kB
L2 CachePer-core fast cache for frequently accessed data	2 MB
L1 CacheUltra-fast per-core cache	28 kB
Die SizePhysical silicon area of the processor	206 mm2
Transistor CountMore transistors = more capabilities	169 million
Bus SpeedData bus frequency	800 MHz
Max TemperatureMaximum safe operating temperature (Tjmax)	64 °C
64-bit Support	Yes
Windows 11 Compatible	No
Core Voltage Range	1.2V-1.4V
PassMark ScoreOverall multi-threaded benchmark score	1,412
Geekbench 6 SingleSingle-core performance — most relevant for gaming	166

🧠

Memory & Platform

The Pentium D 820 fits into the LGA775 socket and supports PCIe 1.1 with 0 total PCIe lanes for expansion cards and storage. It supports DDR1, DDR2, DDR3 memory at speeds up to DDR2-667 (faster RAM improves bandwidth-sensitive workloads), with a maximum capacity of 4 GB across 2 channels (dual-channel doubles bandwidth).

Specification	Pentium D 820
TypeDesktop or Laptop processor	desktop
SeriesProduct family	Pentium D
SocketMotherboard socket required	LGA775
PCIe GenerationPeripheral interconnect speed — affects GPU and SSD bandwidth	PCIe 1.1
PCIe LanesTotal available lanes for GPUs, NVMe drives, and expansion	0
RAM TypeSupported memory standard	DDR1, DDR2, DDR3
Max RAM SpeedMaximum officially supported memory frequency	DDR2-667
Max RAM CapacityMaximum installable memory	4 GB
RAM ChannelsDual-channel doubles bandwidth vs single-channel	2
ECC SupportError-Correcting Code memory — prevents data corruption	No
Integrated GPUBuilt-in graphics processor	No
Compatible ChipsetsMotherboard chipsets that support this CPU	Intel 945,Intel 955
Max CPUs in ConfigMulti-socket support for servers	2

🔧

Advanced Features

Virtualization: No — enables running virtual machines efficiently (important for development and server workloads).

Specification	Pentium D 820
AVX-512Advanced vector instructions for AI/ML workloads	❌ Not Supported
VirtualizationHardware-assisted virtualization technology	No

🌡️

Power & Cooling

The Pentium D 820 has a rated TDP (Thermal Design Power) of 95 Watt — this indicates the amount of heat generated under sustained load and determines what cooling solution is needed. No stock cooler is included — you will need to purchase an aftermarket cooler separately.

Specification	Pentium D 820
TDPThermal Design Power — heat output under sustained workload	95 Watt
Max TemperatureMaximum safe junction temperature (Tjmax)	64 °C
Included CoolerStock cooler bundled in the box	No

💰

Value Analysis

At an average price of $20 (MSRP: $241), the Pentium D 820 delivers 71 PassMark points per dollar. It currently holds Rank #1065 in the overall cost-benefit ranking — this ranking factors in performance-per-dollar relative to all available processors. Performance ranking position: #3385 out of all indexed processors.

Specification	Pentium D 820
MSRPManufacturer's Suggested Retail Price	$241
Avg Price (30d)Average market price over the last 30 days	$20
Launch PriceOriginal retail price at launch	$69
Cost-Benefit RankPosition in overall value ranking	#1065
Performance RankPosition in overall performance ranking	#3385
Release DateLaunch date	2007-01-01
Release Year	2005
DesignerArchitecture designer (e.g. Intel, AMD)	Intel