Core 2 Extreme X6800
VS
Xeon W3503

Core 2 Extreme X6800 vs Xeon W3503

Intel

Core 2 Extreme X6800

2 Cores2 Thrd75 WWMax: 0.93 GHz2006
VS
Intel

Xeon W3503

2 Cores2 Thrd130 WWMax: 2.4 GHz2009

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 X6800 is positioned at rank 1042 and the Xeon W3503 is on rank 978, so the Xeon W3503 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 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 Per Dollar Xeon W3503

#1
Xeon Platinum 8454H
MSRP: $6540|Avg: N/A
36913%
#6
Xeon Gold 6240R
MSRP: $2444|Avg: N/A
6970%
#10
Xeon 6337P
MSRP: $60|Avg: $5
6192%
#15
EPYC 9174F
MSRP: $194|Avg: $30
4784%
#978
Xeon W3503
MSRP: N/A|Avg: N/A
100%
#979
Xeon E5-2689
MSRP: $1800|Avg: $18
98%
#980
Xeon E5-2450L
MSRP: $1106|Avg: $78
97%
#981
Xeon X3480
MSRP: $612|Avg: $48
97%
#982
Xeon E5-2687W
MSRP: $1885|Avg: $70
94%
#983
Xeon E5-4610
MSRP: $1219|Avg: $50
94%
#985
Xeon X7550
MSRP: $1500|Avg: $1400
93%
#986
Xeon E7540
MSRP: $1980|Avg: $146
93%
#987
Xeon E7530
MSRP: $1391|Avg: $146
92%
#988
Xeon E5-4627 v4
MSRP: $2500|Avg: $200
92%
#989
Xeon E5-4627 v3
MSRP: $2225|Avg: $200
91%
#990
Xeon X5660
MSRP: $1219|Avg: $10
87%
#991
Xeon E5-2667
MSRP: $1552|Avg: $31
85%
#992
Xeon E5-2690
MSRP: $2057|Avg: $150
84%
#993
Xeon E3-1565L v5
MSRP: $1552|Avg: $120
84%
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 ($0) and a Consumer Desktop CPU. The Xeon W3503 is engineered for massive parallel workloads (rendering, scientific simulations), offering significantly higher core counts.
InsightCore 2 Extreme X6800Xeon W3503
Gaming
Lower gaming performance
Superior gaming performance
Workstation
Weaker in multi-core tasks
Better multi-core power
Price
Equivalent pricing
Equivalent pricing
Longevity
🛑 Legacy (Conroe XE (2006) / 65 nm)
🛑 Legacy (Bloomfield (2008−2010) / 45 nm)

💎 Value Proposition

The Core 2 Extreme X6800 ($0), 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 ($0 less, NaN% cheaper), making it the better choice for daily use and gaming.
InsightCore 2 Extreme X6800Xeon W3503
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 X6800 and Xeon W3503

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.

Intel

Xeon W3503

The Xeon W3503 is manufactured by Intel. It was released in 30 March 2009 (16 years ago). It is based on the Bloomfield (2008−2010) architecture. It features 2 cores and 2 threads. Base frequency is 2.4 GHz, with boost up to 2.4 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 45 nm process technology. Socket: LGA1366. Thermal design power (TDP): 130 Watt. Memory support: DDR3. Passmark benchmark score: 1,125 points. Launch price was $65.

Processing Power

Both the Core 2 Extreme X6800 and Xeon W3503 share an identical 2-core/2-thread configuration. Boost clocks reach 0.93 GHz on the Core 2 Extreme X6800 versus 2.4 GHz on the Xeon W3503 — a 88.3% clock advantage for the Xeon W3503 (base: 2.933 GHz vs 2.4 GHz). The Core 2 Extreme X6800 uses the Conroe XE (2006) architecture (65 nm), while the Xeon W3503 uses Bloomfield (2008−2010) (45 nm). In PassMark, the Core 2 Extreme X6800 scores 1,118 against the Xeon W3503's 1,125 — a 0.6% lead for the Xeon W3503. L3 cache: 0 kB on the Core 2 Extreme X6800 vs 4 MB (total) on the Xeon W3503.

FeatureCore 2 Extreme X6800Xeon W3503
Cores / Threads
2 / 2
2 / 2
Boost Clock
0.93 GHz
2.4 GHz+158%
Base Clock
2.933 GHz+22%
2.4 GHz
L3 Cache
0 kB
4 MB (total)
L2 Cache
4 MB (total)+1500%
256 kB (per core)
Process
65 nm
45 nm-31%
Architecture
Conroe XE (2006)
Bloomfield (2008−2010)
PassMark
1,118
1,125
🧠

Memory & Platform

The Core 2 Extreme X6800 uses the LGA775 socket (PCIe 1.1), while the Xeon W3503 uses LGA1366 (PCIe 2.0) — making them incompatible on the same motherboard.

FeatureCore 2 Extreme X6800Xeon W3503
Socket
LGA775
LGA1366
PCIe Generation
PCIe 1.1
PCIe 2.0+82%