Core 2 Extreme QX9770
VS
Xeon L5640

Core 2 Extreme QX9770 vs Xeon L5640

Intel

Core 2 Extreme QX9770

4 Cores4 Thrd136 WWMax: 3.2 GHz2008
VS
Intel

Xeon L5640

6 Cores12 Thrd60 WWMax: 2.8 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 2 Extreme QX9770 is positioned at rank 1088 and the Xeon L5640 is on rank 994, so the Xeon L5640 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 2 Extreme QX9770

#1
Ryzen 9 7950X
MSRP: $194|Avg: $20
94459%
#2
Core i9-10900T
MSRP: $120|Avg: $5
89255%
#3
Ryzen 3 PRO 4355GE
MSRP: $423|Avg: $5
64806%
#4
Ryzen Threadripper 3960X
MSRP: $1399|Avg: $85
19523%
#5
Ryzen 9 9950X
MSRP: $649|Avg: $129
15465%
#6
Ryzen 5 8400F
MSRP: $303|Avg: $55
13528%
#7
Ryzen 7 PRO 2700
MSRP: $299|Avg: $60
7748%
#8
Ryzen 5 2600X
MSRP: $229|Avg: $55
7647%
#9
Ryzen 3 PRO 5350G
MSRP: $150|Avg: $60
6963%
#10
Core Ultra 5 245KF
MSRP: $294|Avg: $189
6962%
#11
Ryzen 5 5500
MSRP: $159|Avg: $85
6885%
#12
Ryzen 5 3600
MSRP: $199|Avg: $80
6699%
#13
Core i3-9100E
MSRP: $202|Avg: $30
6605%
#14
Core Ultra 5 245K
MSRP: $319|Avg: $200
6578%
#15
Core i3-8300T
MSRP: $138|Avg: $25
6519%
#1088
Core 2 Extreme QX9770
MSRP: $1399|Avg: $1399
100%
#1089
Athlon 64 X2 5600+
MSRP: $505|Avg: $15
100%
#1090
Athlon 64 2000+
MSRP: $100|Avg: $20
100%
#1091
Athlon 64 X2 5400+
MSRP: $485|Avg: $78
99%
#1092
Celeron 2.30
MSRP: $100|Avg: $10
98%
#1093
Phenom X4 9450e
MSRP: $450|Avg: $430
98%
#1094
Athlon 64 X2 3800+
MSRP: $354|Avg: $20
94%
#1095
Athlon 64 3000+
MSRP: $149|Avg: $10
92%
#1096
Athlon XP 3100+
MSRP: $150|Avg: $20
86%
#1097
Athlon 64 3300+
MSRP: $200|Avg: $200
79%
#1098
Athlon 64 2800+
MSRP: $178|Avg: $15
72%
#1099
Athlon 64 3700+
MSRP: $272|Avg: $20
69%
#1100
Athlon 64 FX-72
MSRP: $799|Avg: $40
68%
#1101
Athlon 64 X2 4200+
MSRP: $581|Avg: $110
65%
#1102
Athlon 64 3500+
MSRP: $272|Avg: $10
64%
#1103
Pentium D 830
MSRP: $316|Avg: $20
59%
Based on actual market prices and performance synthetic scores.

Performance Per Dollar Xeon L5640

#1
Xeon Platinum 8454H
MSRP: $6540|Avg: N/A
44407%
#6
Xeon Gold 6240R
MSRP: $2444|Avg: N/A
8384%
#10
Xeon 6337P
MSRP: $60|Avg: $5
7449%
#15
EPYC 9174F
MSRP: $194|Avg: $30
5755%
#537
Xeon Platinum 8180
MSRP: $10009|Avg: $2363
82%
#538
Xeon Platinum 8280M
MSRP: $10009|Avg: $6223
80%
#539
Xeon Platinum 8280
MSRP: $10009|Avg: $2940
79%
#994
Xeon L5640
MSRP: $996|Avg: N/A
100%
#995
Xeon E5-4627 v2
MSRP: $2061|Avg: $70
98%
#996
Xeon L5335
MSRP: $380|Avg: $18
98%
#997
Xeon E-2144G
MSRP: $2090|Avg: $389
96%
#998
Xeon X5675
MSRP: $1440|Avg: $22
95%
#999
Xeon Phi 7210
MSRP: $1881|Avg: $150
83%
#1000
Xeon D-1567
MSRP: $2702|Avg: $230
83%
#1001
Xeon E-2126G
MSRP: $2702|Avg: $230
82%
#1004
Xeon D-1531
MSRP: $2057|Avg: $250
80%
#1005
Xeon 5130
MSRP: $316|Avg: $10
79%
#1007
Xeon E5-4640 v3
MSRP: $2859|Avg: $300
78%
#1008
Xeon E5440
MSRP: $690|Avg: $37
73%
#1009
Xeon E5-2643
MSRP: $1552|Avg: $50
72%
Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Use Case Distinction: This is a comparison between a Professional Workstation processor ($996) and a Consumer Desktop CPU. The Xeon L5640 is engineered for massive parallel workloads (rendering, scientific simulations), offering significantly higher core counts.
InsightCore 2 Extreme QX9770Xeon L5640
Gaming
Superior gaming performance
Lower gaming performance
Workstation
Weaker in multi-core tasks
Better multi-core power
Price
⚠️ Higher cost ($1,399)
More affordable ($996)
Longevity
🛑 Legacy (Yorkfield (2007−2009) / 45 nm)
🛑 Legacy (Westmere-EP (2010−2011) / 32 nm)

💎 Value Proposition

The Core 2 Extreme QX9770 ($1,399), however, is optimized for mixed workloads and gaming. For most users, it offers superior single-thread performance and responsiveness at a fraction of the cost ($403 less, 40% cheaper), making it the better choice for daily use and gaming.
InsightCore 2 Extreme QX9770Xeon L5640
Cost Efficiency
Lower cost efficiency
Better overall value (+42%)
Upfront Cost
⚠️ Higher cost ($1,399)
More affordable ($996)

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 2 Extreme QX9770 and Xeon L5640

Intel

Core 2 Extreme QX9770

The Core 2 Extreme QX9770 is manufactured by Intel. It was released in 2008-01-01. It is based on the Yorkfield (2007−2009) architecture. It features 4 cores and 4 threads. Base frequency is 3.2 GHz, with boost up to 3.2 GHz. L3 cache: 0 kB. L2 cache: 12 MB (total). Built on 45 nm process technology. Socket: LGA775. Thermal design power (TDP): 136 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 4,611 points. Launch price was $249.

Intel

Xeon L5640

The Xeon L5640 is manufactured by Intel. It was released in 16 March 2010 (15 years ago). It is based on the Westmere-EP (2010−2011) architecture. It features 6 cores and 12 threads. Base frequency is 2.26 GHz, with boost up to 2.8 GHz. L3 cache: 12 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1366. Thermal design power (TDP): 60 Watt. Memory support: DDR3. Passmark benchmark score: 4,659 points. Launch price was $200.

Processing Power

The Core 2 Extreme QX9770 packs 4 cores / 4 threads, while the Xeon L5640 offers 6 cores / 12 threads — the Xeon L5640 has 2 more cores. Boost clocks reach 3.2 GHz on the Core 2 Extreme QX9770 versus 2.8 GHz on the Xeon L5640 — a 13.3% clock advantage for the Core 2 Extreme QX9770 (base: 3.2 GHz vs 2.26 GHz). The Core 2 Extreme QX9770 uses the Yorkfield (2007−2009) architecture (45 nm), while the Xeon L5640 uses Westmere-EP (2010−2011) (32 nm). In PassMark, the Core 2 Extreme QX9770 scores 4,611 against the Xeon L5640's 4,659 — a 1% lead for the Xeon L5640. L3 cache: 0 kB on the Core 2 Extreme QX9770 vs 12 MB (total) on the Xeon L5640.

FeatureCore 2 Extreme QX9770Xeon L5640
Cores / Threads
4 / 4
6 / 12+50%
Boost Clock
3.2 GHz+14%
2.8 GHz
Base Clock
3.2 GHz+42%
2.26 GHz
L3 Cache
0 kB
12 MB (total)
L2 Cache
12 MB (total)+4700%
256 kB (per core)
Process
45 nm
32 nm-29%
Architecture
Yorkfield (2007−2009)
Westmere-EP (2010−2011)
PassMark
4,611
4,659+1%
Cinebench R23 Multi
2,200
Geekbench 6 Single
451
Geekbench 6 Multi
1,583
🧠

Memory & Platform

The Core 2 Extreme QX9770 uses the LGA775 socket (PCIe 1.1), while the Xeon L5640 uses LGA1366 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1600 on the Core 2 Extreme QX9770 versus DDR3 1333 MHz on the Xeon L5640 — the Xeon L5640 supports 200% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon L5640 supports up to 288 GB of RAM compared to 16 GB 178.9% more capacity for professional workloads. Memory channels: 2 (Core 2 Extreme QX9770) vs 3 (Xeon L5640). PCIe lanes: 16 (Core 2 Extreme QX9770) vs 0 (Xeon L5640) — the Core 2 Extreme QX9770 offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: X48,X38,P45 (Core 2 Extreme QX9770) and Intel 5520,Intel X58 (Xeon L5640).

FeatureCore 2 Extreme QX9770Xeon L5640
Socket
LGA775
LGA1366
PCIe Generation
PCIe 1.1
PCIe 5.0+355%
Max RAM Speed
DDR3-1600
DDR3 1333 MHz
Max RAM Capacity
16 GB
288 GB+1700%
RAM Channels
2
3+50%
ECC Support
PCIe Lanes
16
0
🔧

Advanced Features

Only the Core 2 Extreme QX9770 has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: VT-x (Core 2 Extreme QX9770) vs true (Xeon L5640). Primary use case: Core 2 Extreme QX9770 targets Enthusiast, Xeon L5640 targets Server Low Power.

FeatureCore 2 Extreme QX9770Xeon L5640
Integrated GPU
No
No
Unlocked
Yes
No
AVX-512
No
No
Virtualization
VT-x
true
Target Use
Enthusiast
Server Low Power
💰

Value Analysis

The Core 2 Extreme QX9770 launched at $1399 MSRP, while the Xeon L5640 debuted at $996.

FeatureCore 2 Extreme QX9770Xeon L5640
MSRP
$1399
$996-29%
Avg Price (30d)
$1399
Release Date
2008
2010