Core 2 Extreme X7800 vs Core 2 Extreme X6800

Core 2 Extreme X7800

2 Cores2 Thrd4 WWMax: 2.6 GHz2007

Core 2 Extreme X6800

2 Cores2 Thrd75 WWMax: 0.93 GHz2006

Performance Spectrum - CPU

Core 2 Extreme X7800

2 / 2

1,138

+1.8%

1,118

0.0%

Celeron U3600

Pentium T2370

Pentium T3400

Pentium Dual-Core E2200

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 X7800 is positioned at rank 1145 and the Core 2 Extreme X6800 is on rank 1042, so the Core 2 Extreme X6800 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 X7800

#1133

Atom x5-Z8300

MSRP: $20|Avg: N/A

3866%

#1134

Atom Z3735G

MSRP: $17|Avg: N/A

3809%

#1135

Core i5-480M

MSRP: $81|Avg: $77

3497%

#1136

Core i5-460M

MSRP: $80|Avg: $129

3481%

#1137

Core i5-2540M

MSRP: $266|Avg: $10

3449%

#1139

Core i5-450M

MSRP: $32|Avg: $31

3331%

#1140

Core i3-380M

MSRP: $49|Avg: $25

3194%

#1141

Core i5-430M

MSRP: N/A|Avg: $33

3188%

#1142

Core 2 Duo T6600

MSRP: N/A|Avg: $4

3103%

#1145

Core 2 Extreme X7800

MSRP: N/A|Avg: N/A

100%

#1146

Pentium 957

MSRP: $134|Avg: $10

100%

#1147

Core 2 Duo SL9400

MSRP: $284|Avg: N/A

99%

#1149

Pentium N3540

MSRP: $161|Avg: $161

99%

#1150

Core i7-3555LE

MSRP: $300|Avg: $280

98%

#1151

Core i3-2377M

MSRP: $250|Avg: N/A

97%

#1152

Core 2 Duo E8435

MSRP: $150|Avg: $74

97%

#1153

Celeron M 723

MSRP: $161|Avg: $161

97%

#1154

Core M-5Y51

MSRP: $281|Avg: $281

95%

#1155

Core i7-3517UE

MSRP: $330|Avg: $35

95%

#1156

Pentium N3530

MSRP: $161|Avg: $20

95%

#1157

Core i3-330E

MSRP: $177|Avg: $89

94%

#1159

Core i7-2640M

MSRP: $346|Avg: N/A

93%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Core 2 Extreme X6800

Ryzen 9 7950X

MSRP: $194|Avg: $20

41841%

Core i9-10900T

MSRP: $120|Avg: $5

39536%

Ryzen 3 PRO 4355GE

MSRP: $423|Avg: $5

28706%

Ryzen Threadripper 3960X

MSRP: $1399|Avg: $85

8648%

Ryzen 9 9950X

MSRP: $649|Avg: $129

6850%

Ryzen 5 8400F

MSRP: $303|Avg: $55

5992%

Ryzen 7 PRO 2700

MSRP: $299|Avg: $60

3432%

Ryzen 5 2600X

MSRP: $229|Avg: $55

3387%

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 Leadership: The Core 2 Extreme X7800 delivers superior performance across the board. It outperforms the Core 2 Extreme X6800 in both compute-intensive tasks (1.8% faster) and gaming workloads.

Insight	Core 2 Extreme X7800	Core 2 Extreme X6800
Gaming	✅ Superior gaming performance	❌ Lower gaming performance
Workstation	✅ Better multi-core power	❌ Weaker in multi-core tasks
Price	Equivalent pricing	Equivalent pricing
Longevity	🛑 Legacy (Merom XE (2007) / 65 nm)	🛑 Legacy (Conroe XE (2006) / 65 nm)

💎 Value Proposition

Insight	Core 2 Extreme X7800	Core 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.

Core 2 Extreme X7800 Benchmark Check

Core 2 Extreme X6800 Benchmark Check

Technical Specifications

Side-by-side comparison of Core 2 Extreme X7800 and Core 2 Extreme X6800

Core 2 Extreme X7800

The Core 2 Extreme X7800 is manufactured by Intel. It was released in 17 July 2007 (18 years ago). It is based on the Merom XE (2007) architecture. It features 2 cores and 2 threads. Base frequency is 2.6 GHz, with boost up to 2.6 GHz. L3 cache: 4 MB L2 Cache. L2 cache: 4 MB. Built on 65 nm process technology. Socket: PGA478. Thermal design power (TDP): 44 Watt. Passmark benchmark score: 1,138 points. Launch price was $851.

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 X7800 and Core 2 Extreme X6800 share an identical 2-core/2-thread configuration. Boost clocks reach 2.6 GHz on the Core 2 Extreme X7800 versus 0.93 GHz on the Core 2 Extreme X6800 — a 94.6% clock advantage for the Core 2 Extreme X7800 (base: 2.6 GHz vs 2.933 GHz). The Core 2 Extreme X7800 uses the Merom XE (2007) architecture (65 nm), while the Core 2 Extreme X6800 uses Conroe XE (2006) (65 nm). In PassMark, the Core 2 Extreme X7800 scores 1,138 against the Core 2 Extreme X6800's 1,118 — a 1.8% lead for the Core 2 Extreme X7800. L3 cache: 4 MB L2 Cache on the Core 2 Extreme X7800 vs 0 kB on the Core 2 Extreme X6800.

Feature	Core 2 Extreme X7800	Core 2 Extreme X6800
Cores / Threads	2 / 2	2 / 2
Boost Clock	2.6 GHz+180%	0.93 GHz
Base Clock	2.6 GHz	2.933 GHz+13%
L3 Cache	4 MB L2 Cache	0 kB
L2 Cache	4 MB	4 MB (total)
Process	65 nm	65 nm
Architecture	Merom XE (2007)	Conroe XE (2006)
PassMark	1,138+2%	1,118

🧠

Memory & Platform

The Core 2 Extreme X7800 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.