Core 2 Extreme X9000
VS
Core 2 Duo E8435

Core 2 Extreme X9000 vs Core 2 Duo E8435

Intel

Core 2 Extreme X9000

2 Cores2 Thrd6 WWMax: 2.8 GHz2008
VS
Intel

Core 2 Duo E8435

2 Cores2 Thrd44 WWMax: 0.07 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 X9000 is positioned at rank 915 and the Core 2 Duo E8435 is on rank 1152, 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 Duo E8435

#1140
Atom x5-Z8300
MSRP: $20|Avg: N/A
3986%
#1141
Atom Z3735G
MSRP: $17|Avg: N/A
3928%
#1142
Core i5-480M
MSRP: $81|Avg: $77
3606%
#1143
Core i5-460M
MSRP: $80|Avg: $129
3590%
#1144
Core i5-2540M
MSRP: $266|Avg: $10
3557%
#1146
Core i5-450M
MSRP: $32|Avg: $31
3435%
#1147
Core i3-380M
MSRP: $49|Avg: $25
3293%
#1148
Core i5-430M
MSRP: N/A|Avg: $33
3288%
#1149
Core 2 Duo T6600
MSRP: N/A|Avg: $4
3200%
#1152
Core 2 Duo E8435
MSRP: $150|Avg: $74
100%
#1153
Celeron M 723
MSRP: $161|Avg: $161
100%
#1154
Core M-5Y51
MSRP: $281|Avg: $281
98%
#1155
Core i7-3517UE
MSRP: $330|Avg: $35
98%
#1156
Pentium N3530
MSRP: $161|Avg: $20
98%
#1158
Core i3-330E
MSRP: $177|Avg: $89
97%
#1159
Core i7-2640M
MSRP: $346|Avg: N/A
96%
#1161
Core M-5Y71
MSRP: $281|Avg: $281
96%
#1163
Core i7-2620M
MSRP: $346|Avg: N/A
95%
#1164
Celeron N3010
MSRP: $107|Avg: N/A
93%
#1165
Core i7-3537U
MSRP: $346|Avg: N/A
92%
#1166
Core M-5Y31
MSRP: $281|Avg: $30
92%
#1167
Core M-5Y10a
MSRP: $281|Avg: $281
92%
Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Leadership: The Core 2 Extreme X9000 delivers superior performance across the board. It outperforms the Core 2 Duo E8435 in both compute-intensive tasks (0.4% faster) and gaming workloads.
InsightCore 2 Extreme X9000Core 2 Duo E8435
Gaming
Superior gaming performance
Lower gaming performance
Workstation
Better multi-core power
Weaker in multi-core tasks
Price
More affordable ($0)
⚠️ Higher cost ($74)
Longevity
🛑 Legacy (Penryn (2008−2011) / 45 nm)
🛑 Legacy (Penryn (2008−2011) / 45 nm)

💎 Value Proposition

InsightCore 2 Extreme X9000Core 2 Duo E8435
Cost Efficiency
Lower cost efficiency
Lower cost efficiency
Upfront Cost
More affordable ($0)
⚠️ Higher cost ($74)

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 Duo E8435

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 Duo E8435

The Core 2 Duo E8435 is manufactured by Intel. It was released in 2008-01-01. It is based on the Penryn (2008−2011) architecture. It features 2 cores and 2 threads. Base frequency is 3.067 GHz, with boost up to 0.07 GHz. L2 cache: 6 MB (total). Built on 45 nm process technology. Socket: P. Thermal design power (TDP): 44 Watt. Memory support: DDR2, DDR3. Passmark benchmark score: 1,104 points. Launch price was $249.

Processing Power

Both the Core 2 Extreme X9000 and Core 2 Duo E8435 share an identical 2-core/2-thread configuration. Boost clocks reach 2.8 GHz on the Core 2 Extreme X9000 versus 0.07 GHz on the Core 2 Duo E8435 — a 190.2% clock advantage for the Core 2 Extreme X9000 (base: 2.8 GHz vs 3.067 GHz). Both are built on the Penryn (2008−2011) architecture using a 45 nm process. In PassMark, the Core 2 Extreme X9000 scores 1,108 against the Core 2 Duo E8435's 1,104 — a 0.4% lead for the Core 2 Extreme X9000.

FeatureCore 2 Extreme X9000Core 2 Duo E8435
Cores / Threads
2 / 2
2 / 2
Boost Clock
2.8 GHz+3900%
0.07 GHz
Base Clock
2.8 GHz
3.067 GHz+10%
L3 Cache
6 MB L2 Cache
L2 Cache
6 MB
6 MB (total)
Process
45 nm
45 nm
Architecture
Penryn (2008−2011)
Penryn (2008−2011)
PassMark
1,108
1,104
Geekbench 6 Single
257
🧠

Memory & Platform

The Core 2 Extreme X9000 uses the PGA478 socket (PCIe 1.1), while the Core 2 Duo E8435 uses P (PCIe 1.1) — making them incompatible on the same motherboard.

FeatureCore 2 Extreme X9000Core 2 Duo E8435
Socket
PGA478
P
PCIe Generation
PCIe 1.1
PCIe 1.1
Max RAM Speed
DDR3-1333
Max RAM Capacity
16 GB
RAM Channels
2
ECC Support
PCIe Lanes
0
🔧

Advanced Features

Virtualization: not specified (Core 2 Extreme X9000) / VT-x, VT-d (Core 2 Duo E8435).

FeatureCore 2 Extreme X9000Core 2 Duo E8435
Integrated GPU
No
Unlocked
No
AVX-512
No
Virtualization
VT-x, VT-d