Core 2 Extreme X9000
VS
Core 2 Extreme X6800

Core 2 Extreme X9000 vs Core 2 Extreme X6800

Intel

Core 2 Extreme X9000

2 Cores2 Thrd6 WWMax: 2.8 GHz2008
VS
Intel

Core 2 Extreme X6800

2 Cores2 Thrd75 WWMax: 0.93 GHz2006

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 X9000 is positioned at rank 915 and the Core 2 Extreme X6800 is on rank 1042, so the Core 2 Extreme X9000 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 X9000

#903
Atom x5-Z8300
MSRP: $20|Avg: N/A
1589%
#904
Atom Z3735G
MSRP: $17|Avg: N/A
1565%
#905
Core i5-480M
MSRP: $81|Avg: $77
1437%
#906
Core i5-460M
MSRP: $80|Avg: $129
1430%
#907
Core i5-2540M
MSRP: $266|Avg: $10
1417%
#909
Core i5-450M
MSRP: $32|Avg: $31
1369%
#910
Core i3-380M
MSRP: $49|Avg: $25
1312%
#911
Core i5-430M
MSRP: N/A|Avg: $33
1310%
#912
Core 2 Duo T6600
MSRP: N/A|Avg: $4
1275%
#915
Core 2 Extreme X9000
MSRP: N/A|Avg: N/A
100%
#919
Core i5-8365UE
MSRP: $297|Avg: $297
99%
#921
A6 Pro-7050B
MSRP: $100|Avg: $15
99%
#923
Athlon II N370
MSRP: $60|Avg: $10
98%
#928
A8-6410
MSRP: $100|Avg: $40
96%
Based on actual market prices and performance synthetic scores.

Performance Per Dollar Core 2 Extreme X6800

#1
Ryzen 9 7950X
MSRP: $194|Avg: $20
41841%
#2
Core i9-10900T
MSRP: $120|Avg: $5
39536%
#3
Ryzen 3 PRO 4355GE
MSRP: $423|Avg: $5
28706%
#4
Ryzen Threadripper 3960X
MSRP: $1399|Avg: $85
8648%
#5
Ryzen 9 9950X
MSRP: $649|Avg: $129
6850%
#6
Ryzen 5 8400F
MSRP: $303|Avg: $55
5992%
#7
Ryzen 7 PRO 2700
MSRP: $299|Avg: $60
3432%
#8
Ryzen 5 2600X
MSRP: $229|Avg: $55
3387%
#9
Ryzen 3 PRO 5350G
MSRP: $150|Avg: $60
3084%
#10
Core Ultra 5 245KF
MSRP: $294|Avg: $189
3084%
#11
Ryzen 5 5500
MSRP: $159|Avg: $85
3050%
#12
Ryzen 5 3600
MSRP: $199|Avg: $80
2967%
#13
Core i3-9100E
MSRP: $202|Avg: $30
2926%
#14
Core Ultra 5 245K
MSRP: $319|Avg: $200
2914%
#15
Core i3-8300T
MSRP: $138|Avg: $25
2888%
#1042
Core 2 Extreme X6800
MSRP: N/A|Avg: N/A
100%
#1043
Phenom X3 8750
MSRP: $195|Avg: $20
99%
#1044
Pentium G4400TE
MSRP: $300|Avg: $250
98%
#1045
Celeron 2.60
MSRP: $53|Avg: $10
97%
#1046
Core i7-990X
MSRP: $999|Avg: $225
96%
#1047
Phenom X4 9750B
MSRP: $215|Avg: $34
95%
#1048
Core 2 Duo E8200
MSRP: $163|Avg: $20
94%
#1049
Core 2 Quad Q9450
MSRP: $316|Avg: $15
94%
#1050
Core 2 Duo E8600
MSRP: $200|Avg: $95
92%
#1051
Core 2 Duo E6320
MSRP: $163|Avg: $5
92%
#1052
Core i7-980X
MSRP: $999|Avg: $150
92%
#1053
Athlon 64 X2 3600+
MSRP: $150|Avg: $10
91%
#1054
Core 2 Duo E6420
MSRP: $183|Avg: $10
91%
#1055
Pentium D 940
MSRP: $132|Avg: $15
89%
#1056
Phenom X4 9600B
MSRP: $278|Avg: $20
89%
#1057
Phenom II X3 B77
MSRP: $281|Avg: $35
88%
Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Trade-off: The Core 2 Extreme X9000 leads in gaming performance. However, the Core 2 Extreme X6800 is the stronger candidate for professional workloads, offering 0.9% greater multi-core processing power.
InsightCore 2 Extreme X9000Core 2 Extreme X6800
Gaming
Superior gaming performance
Lower gaming performance
Workstation
Weaker in multi-core tasks
Better multi-core power
Price
Equivalent pricing
Equivalent pricing
Longevity
🛑 Legacy (Penryn (2008−2011) / 45 nm)
🛑 Legacy (Conroe XE (2006) / 65 nm)

💎 Value Proposition

InsightCore 2 Extreme X9000Core 2 Extreme X6800
Cost Efficiency
Lower cost efficiency
Lower cost efficiency
Upfront Cost
Equivalent pricing
Equivalent pricing

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 X9000 and Core 2 Extreme X6800

Intel

Core 2 Extreme X9000

The Core 2 Extreme X9000 is manufactured by Intel. It was released in 10 January 2008 (17 years ago). It is based on the Penryn (2008−2011) architecture. It features 2 cores and 2 threads. Base frequency is 2.8 GHz, with boost up to 2.8 GHz. L3 cache: 6 MB L2 Cache. L2 cache: 6 MB. Built on 45 nm process technology. Socket: PGA478. Thermal design power (TDP): 44 Watt. Passmark benchmark score: 1,108 points. Launch price was $851.

Intel

Core 2 Extreme X6800

The Core 2 Extreme X6800 is manufactured by Intel. It was released in 27 July 2006 (19 years ago). It is based on the Conroe XE (2006) architecture. It features 2 cores and 2 threads. Base frequency is 2.933 GHz, with boost up to 0.93 GHz. L3 cache: 0 kB. L2 cache: 4 MB (total). Built on 65 nm process technology. Socket: LGA775. Thermal design power (TDP): 75 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 1,118 points. Launch price was $999.

Processing Power

Both the Core 2 Extreme X9000 and Core 2 Extreme X6800 share an identical 2-core/2-thread configuration. Boost clocks reach 2.8 GHz on the Core 2 Extreme X9000 versus 0.93 GHz on the Core 2 Extreme X6800 — a 100.3% clock advantage for the Core 2 Extreme X9000 (base: 2.8 GHz vs 2.933 GHz). The Core 2 Extreme X9000 uses the Penryn (2008−2011) architecture (45 nm), while the Core 2 Extreme X6800 uses Conroe XE (2006) (65 nm). In PassMark, the Core 2 Extreme X9000 scores 1,108 against the Core 2 Extreme X6800's 1,118 — a 0.9% lead for the Core 2 Extreme X6800. L3 cache: 6 MB L2 Cache on the Core 2 Extreme X9000 vs 0 kB on the Core 2 Extreme X6800.

FeatureCore 2 Extreme X9000Core 2 Extreme X6800
Cores / Threads
2 / 2
2 / 2
Boost Clock
2.8 GHz+201%
0.93 GHz
Base Clock
2.8 GHz
2.933 GHz+5%
L3 Cache
6 MB L2 Cache
0 kB
L2 Cache
6 MB+50%
4 MB (total)
Process
45 nm-31%
65 nm
Architecture
Penryn (2008−2011)
Conroe XE (2006)
PassMark
1,108
1,118
🧠

Memory & Platform

The Core 2 Extreme X9000 uses the PGA478 socket (PCIe 1.1), while the Core 2 Extreme X6800 uses LGA775 (PCIe 1.1) — making them incompatible on the same motherboard.

FeatureCore 2 Extreme X9000Core 2 Extreme X6800
Socket
PGA478
LGA775
PCIe Generation
PCIe 1.1
PCIe 1.1