Core 2 Duo T6670
VS
Xeon E5440

Core 2 Duo T6670 vs Xeon E5440

Intel

Core 2 Duo T6670

2 Cores2 Thrd2 WWMax: 2.2 GHz2009
VS
Intel

Xeon E5440

4 Cores4 Thrd80 WWMax: 0.83 GHz2007

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 Duo T6670 is positioned at rank 474 and the Xeon E5440 is on rank 1008, so the Core 2 Duo T6670 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 Duo T6670

#462
Atom x5-Z8300
MSRP: $20|Avg: N/A
620%
#463
Atom Z3735G
MSRP: $17|Avg: N/A
611%
#464
Core i5-480M
MSRP: $81|Avg: $77
561%
#465
Core i5-460M
MSRP: $80|Avg: $129
559%
#466
Core i5-2540M
MSRP: $266|Avg: $10
553%
#468
Core i5-450M
MSRP: $32|Avg: $31
534%
#469
Core i3-380M
MSRP: $49|Avg: $25
512%
#470
Core i5-430M
MSRP: N/A|Avg: $33
512%
#471
Core 2 Duo T6600
MSRP: N/A|Avg: $4
498%
#474
Core 2 Duo T6670
MSRP: N/A|Avg: N/A
100%
#488
Processor U300
MSRP: $193|Avg: $180
97%
Based on actual market prices and performance synthetic scores.

Performance Per Dollar Xeon E5440

#1
Xeon Platinum 8454H
MSRP: $6540|Avg: N/A
60590%
#6
Xeon Gold 6240R
MSRP: $2444|Avg: N/A
11440%
#10
Xeon 6337P
MSRP: $60|Avg: $5
10164%
#15
EPYC 9174F
MSRP: $194|Avg: $30
7852%
#540
Xeon E7-8891 v3
MSRP: $6841|Avg: $418
92%
#541
Xeon E5-4669 v4
MSRP: $7007|Avg: $300
73%
#1008
Xeon E5440
MSRP: $690|Avg: $37
100%
#1009
Xeon E5-2643
MSRP: $1552|Avg: $50
98%
#1010
Xeon E5-2637
MSRP: $885|Avg: $40
98%
#1011
Xeon W3570
MSRP: $999|Avg: $15
95%
#1013
Xeon E5-4620
MSRP: $2141|Avg: $400
90%
#1014
Xeon E5-2680
MSRP: $3226|Avg: $40
84%
#1016
Xeon E5-4640
MSRP: $2725|Avg: N/A
75%
#1018
Xeon E5-4650
MSRP: $3616|Avg: $71
69%
#1019
Xeon E5-4655 v4
MSRP: $4616|Avg: N/A
69%
#1020
Xeon E5-4650L
MSRP: $3616|Avg: N/A
69%
#1021
Xeon E-2224
MSRP: $3226|Avg: $195
65%
#1022
Athlon MP 2400+
MSRP: $151|Avg: $20
59%
#1023
Xeon E5-2650L v2
MSRP: $4115|Avg: $1078
54%
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 ($37) and a Consumer Desktop CPU. The Xeon E5440 is engineered for massive parallel workloads (rendering, scientific simulations), offering significantly higher core counts.
InsightCore 2 Duo T6670Xeon E5440
Gaming
Lower gaming performance
Superior gaming performance
Workstation
Weaker in multi-core tasks
Better multi-core power
Price
More affordable ($0)
⚠️ Higher cost ($37)
Longevity
🛑 Legacy (Penryn (2008−2011) / 45 nm)
🛑 Legacy (Harpertown (2007−2008) / 45 nm)

💎 Value Proposition

The Core 2 Duo T6670 ($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 ($37 less, 100% cheaper), making it the better choice for daily use and gaming.
InsightCore 2 Duo T6670Xeon E5440
Cost Efficiency
Lower cost efficiency
Lower cost efficiency
Upfront Cost
More affordable ($0)
⚠️ Higher cost ($37)

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 Duo T6670 and Xeon E5440

Intel

Core 2 Duo T6670

The Core 2 Duo T6670 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 2.2 GHz, with boost up to 2.2 GHz. L3 cache: 2 MB L2 Cache. L2 cache: 2 MB. Built on 45 nm process technology. Socket: PGA478. Thermal design power (TDP): 35 Watt. Passmark benchmark score: 2,365 points. Launch price was $249.

Intel

Xeon E5440

The Xeon E5440 is manufactured by Intel. It was released in 11 November 2007 (18 years ago). It is based on the Harpertown (2007−2008) architecture. It features 4 cores and 4 threads. Base frequency is 2.83 GHz, with boost up to 0.83 GHz. L3 cache: 12 MB L2 Cache. L2 cache: 6 MB (total). Built on 45 nm process technology. Socket: LGA771. Thermal design power (TDP): 80 Watt. Memory support: DDR2, DDR3 Depends on motherboard. Passmark benchmark score: 2,367 points. Launch price was $690.

Processing Power

The Core 2 Duo T6670 packs 2 cores / 2 threads, while the Xeon E5440 offers 4 cores / 4 threads — the Xeon E5440 has 2 more cores. Boost clocks reach 2.2 GHz on the Core 2 Duo T6670 versus 0.83 GHz on the Xeon E5440 — a 90.4% clock advantage for the Core 2 Duo T6670 (base: 2.2 GHz vs 2.83 GHz). The Core 2 Duo T6670 uses the Penryn (2008−2011) architecture (45 nm), while the Xeon E5440 uses Harpertown (2007−2008) (45 nm). In PassMark, the Core 2 Duo T6670 scores 2,365 against the Xeon E5440's 2,367 — a 0.1% lead for the Xeon E5440. L3 cache: 2 MB L2 Cache on the Core 2 Duo T6670 vs 12 MB L2 Cache on the Xeon E5440.

FeatureCore 2 Duo T6670Xeon E5440
Cores / Threads
2 / 2
4 / 4+100%
Boost Clock
2.2 GHz+165%
0.83 GHz
Base Clock
2.2 GHz
2.83 GHz+29%
L3 Cache
2 MB L2 Cache
12 MB L2 Cache+500%
L2 Cache
2 MB
6 MB (total)+200%
Process
45 nm
45 nm
Architecture
Penryn (2008−2011)
Harpertown (2007−2008)
PassMark
2,365
2,367
Geekbench 6 Single
252
Geekbench 6 Multi
252
🧠

Memory & Platform

The Core 2 Duo T6670 uses the PGA478 socket (PCIe 1.1), while the Xeon E5440 uses LGA771 (PCIe 2.0) — making them incompatible on the same motherboard.

FeatureCore 2 Duo T6670Xeon E5440
Socket
PGA478
LGA771
PCIe Generation
PCIe 1.1
PCIe 2.0+82%
Max RAM Speed
DDR3-1066
Max RAM Capacity
8 GB
RAM Channels
2
ECC Support
PCIe Lanes
0
🔧

Advanced Features

Virtualization: VT-x (Core 2 Duo T6670) / not specified (Xeon E5440). Primary use case: Core 2 Duo T6670 targets Budget. Direct competitor: Core 2 Duo T6670 rivals Core 2 Duo T6600.

FeatureCore 2 Duo T6670Xeon E5440
Integrated GPU
No
Unlocked
No
AVX-512
No
Virtualization
VT-x
Target Use
Budget