Core i7-660UM
VS
Pentium Dual Core T4400

Core i7-660UM vs Pentium Dual Core T4400

Intel

Core i7-660UM

2 Cores4 Thrd18 WWMax: 2.4 GHz2010
VS
Intel

Pentium Dual Core T4400

2 Cores2 Thrd35 WWMax: 2.2 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 i7-660UM is positioned at rank 1225 and the Pentium Dual Core T4400 is on rank 1034, so the Pentium Dual Core T4400 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 i7-660UM

#1213
Atom x5-Z8300
MSRP: $20|Avg: N/A
7280%
#1214
Atom Z3735G
MSRP: $17|Avg: N/A
7174%
#1215
Core i5-480M
MSRP: $81|Avg: $77
6586%
#1216
Core i5-460M
MSRP: $80|Avg: $129
6556%
#1217
Core i5-2540M
MSRP: $266|Avg: $10
6496%
#1219
Core i5-450M
MSRP: $32|Avg: $31
6273%
#1220
Core i3-380M
MSRP: $49|Avg: $25
6015%
#1221
Core i5-430M
MSRP: N/A|Avg: $33
6005%
#1222
Core 2 Duo T6600
MSRP: N/A|Avg: $4
5844%
#1225
Core i7-660UM
MSRP: $317|Avg: N/A
100%
#1226
C-30
MSRP: $50|Avg: $15
100%
#1228
Core i7-620UM
MSRP: $278|Avg: N/A
97%
#1230
Celeron 570
MSRP: $134|Avg: $15
94%
#1231
Core i7-820QM
MSRP: $546|Avg: N/A
83%
#1233
Core Duo T2700
MSRP: $663|Avg: N/A
70%
#1235
Pentium SU4100
MSRP: $289|Avg: $15
59%
#1236
Core Solo T1400
MSRP: $200|Avg: $5
53%
#1237
Core i7-940XM
MSRP: $1096|Avg: N/A
51%
#1238
Core Solo T1350
MSRP: $200|Avg: $70
50%
#1240
Core Solo T1300
MSRP: $209|Avg: $10
46%
Based on actual market prices and performance synthetic scores.

Performance Per Dollar Pentium Dual Core T4400

#1022
Atom x5-Z8300
MSRP: $20|Avg: N/A
2445%
#1023
Atom Z3735G
MSRP: $17|Avg: N/A
2409%
#1024
Core i5-480M
MSRP: $81|Avg: $77
2212%
#1025
Core i5-460M
MSRP: $80|Avg: $129
2202%
#1026
Core i5-2540M
MSRP: $266|Avg: $10
2182%
#1028
Core i5-450M
MSRP: $32|Avg: $31
2107%
#1029
Core i3-380M
MSRP: $49|Avg: $25
2020%
#1030
Core i5-430M
MSRP: N/A|Avg: $33
2017%
#1031
Core 2 Duo T6600
MSRP: N/A|Avg: $4
1963%
#1034
Pentium Dual Core T4400
MSRP: $107|Avg: $5
100%
#1037
Core i7-8665UE
MSRP: $409|Avg: $409
99%
#1038
Celeron Dual-Core T3300
MSRP: $86|Avg: $30
97%
#1039
Celeron T3300
MSRP: $86|Avg: $15
97%
#1042
Core i7-3612QE
MSRP: $426|Avg: $50
96%
#1043
A10-7300
MSRP: $150|Avg: $50
96%
#1044
Pentium Dual Core T4200
MSRP: $100|Avg: $10
96%
#1045
A6 Micro-6500T
MSRP: $100|Avg: $15
96%
#1046
Pentium N3520
MSRP: $100|Avg: $10
95%
#1047
E2-3800
MSRP: $100|Avg: $20
95%
#1048
Athlon X2 QL-66
MSRP: $150|Avg: $5
94%
#1049
Athlon II Neo K145
MSRP: $50|Avg: $10
94%
Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Trade-off: The Core i7-660UM leads in gaming performance. However, the Pentium Dual Core T4400 is the stronger candidate for professional workloads, offering 0.4% greater multi-core processing power.
InsightCore i7-660UMPentium Dual Core T4400
Gaming
Superior gaming performance
Lower gaming performance
Workstation
Weaker in multi-core tasks
Better multi-core power
Price
⚠️ Higher cost ($317)
More affordable ($5)
Longevity
🛑 Legacy (Arrandale (2010−2011) / 32 nm)
🛑 Legacy (NetBurst (2000−2006) / 45 nm)

💎 Value Proposition

Efficiency: Even within a comparison of older hardware, the Pentium Dual Core T4400 stands out as the superior choice. It is effectively 98% cheaper ($5 vs $317) while identifying as the stronger performer.
InsightCore i7-660UMPentium Dual Core T4400
Cost Efficiency
Lower cost efficiency
Better overall value (+6265%)
Upfront Cost
⚠️ Higher cost ($317)
More affordable ($5)

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 i7-660UM and Pentium Dual Core T4400

Intel

Core i7-660UM

The Core i7-660UM is manufactured by Intel. It was released in 24 May 2010 (15 years ago). It is based on the Arrandale (2010−2011) architecture. It features 2 cores and 4 threads. Base frequency is 1.33 GHz, with boost up to 2.4 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: BGA1288. Thermal design power (TDP): 18 Watt. Memory support: DDR3-800. Passmark benchmark score: 1,279 points. Launch price was $317.

Intel

Pentium Dual Core T4400

The Pentium Dual Core T4400 is manufactured by Intel. It was released in 2007-01-01. It is based on the NetBurst (2000−2006) architecture. It features 2 cores and 2 threads. Base frequency is 2.2 GHz, with boost up to 2.2 GHz. L3 cache: 0 kB. L2 cache: 1 MB. Built on 45 nm process technology. Socket: P. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 1,284 points. Launch price was $69.

Processing Power

The Core i7-660UM packs 2 cores / 4 threads, matching the Pentium Dual Core T4400's 2 cores. Boost clocks reach 2.4 GHz on the Core i7-660UM versus 2.2 GHz on the Pentium Dual Core T4400 — a 8.7% clock advantage for the Core i7-660UM (base: 1.33 GHz vs 2.2 GHz). The Core i7-660UM uses the Arrandale (2010−2011) architecture (32 nm), while the Pentium Dual Core T4400 uses NetBurst (2000−2006) (45 nm). In PassMark, the Core i7-660UM scores 1,279 against the Pentium Dual Core T4400's 1,284 — a 0.4% lead for the Pentium Dual Core T4400. L3 cache: 4 MB (total) on the Core i7-660UM vs 0 kB on the Pentium Dual Core T4400.

FeatureCore i7-660UMPentium Dual Core T4400
Cores / Threads
2 / 4
2 / 2
Boost Clock
2.4 GHz+9%
2.2 GHz
Base Clock
1.33 GHz
2.2 GHz+65%
L3 Cache
4 MB (total)
0 kB
L2 Cache
256 kB (per core)
1 MB+300%
Process
32 nm-29%
45 nm
Architecture
Arrandale (2010−2011)
NetBurst (2000−2006)
PassMark
1,279
1,284
Geekbench 6 Single
250
Geekbench 6 Multi
600
🧠

Memory & Platform

The Core i7-660UM uses the BGA1288 socket (PCIe 2.0), while the Pentium Dual Core T4400 uses P (PCIe 1.1) — making them incompatible on the same motherboard.

FeatureCore i7-660UMPentium Dual Core T4400
Socket
BGA1288
P
PCIe Generation
PCIe 2.0+82%
PCIe 1.1
Max RAM Speed
DDR3-1066
Max RAM Capacity
8 GB
RAM Channels
2
ECC Support
PCIe Lanes
16
🔧

Advanced Features

Virtualization: VT-x, VT-d (Core i7-660UM) / not specified (Pentium Dual Core T4400). The Core i7-660UM includes integrated graphics (HD Graphics), while the Pentium Dual Core T4400 requires a dedicated GPU. Primary use case: Core i7-660UM targets Budget.

FeatureCore i7-660UMPentium Dual Core T4400
Integrated GPU
Yes
IGPU Model
HD Graphics
Unlocked
No
AVX-512
No
Virtualization
VT-x, VT-d
Target Use
Budget
💰

Value Analysis

The Core i7-660UM launched at $317 MSRP, while the Pentium Dual Core T4400 debuted at $107.

FeatureCore i7-660UMPentium Dual Core T4400
MSRP
$317
$107-66%
Avg Price (30d)
$5
Release Date
2010
2009