Core i7-640UM vs Pentium T4400

CPU

GPU

Core i7-640UM

2 Cores4 Thrd18 WWMax: 2.27 GHz2010

Pentium T4400

35 WW2009

Performance Spectrum - CPU

Core i7-640UM

2 / 4

1,168

0.0%

1,175

+0.6%

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 i7-640UM is positioned at rank 1229 and the Pentium T4400 is on rank 1054, so the Pentium 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 i7-640UM

#1217

Atom x5-Z8300

MSRP: $20|Avg: N/A

7661%

#1218

Atom Z3735G

MSRP: $17|Avg: N/A

7548%

#1219

Core i5-480M

MSRP: $81|Avg: $77

6930%

#1220

Core i5-460M

MSRP: $80|Avg: $129

6898%

#1221

Core i5-2540M

MSRP: $266|Avg: $10

6835%

#1223

Core i5-450M

MSRP: $32|Avg: $31

6601%

#1224

Core i3-380M

MSRP: $49|Avg: $25

6329%

#1225

Core i5-430M

MSRP: N/A|Avg: $33

6319%

#1226

Core 2 Duo T6600

MSRP: N/A|Avg: $4

6149%

#1229

Core i7-640UM

MSRP: N/A|Avg: N/A

100%

#1230

Celeron 570

MSRP: $134|Avg: $15

98%

#1232

Core i7-820QM

MSRP: $546|Avg: N/A

87%

#1233

Core Duo T2700

MSRP: $663|Avg: N/A

73%

#1235

Pentium SU4100

MSRP: $289|Avg: $15

62%

#1236

Core Solo T1400

MSRP: $200|Avg: $5

56%

#1237

Core i7-940XM

MSRP: $1096|Avg: N/A

54%

#1238

Core Solo T1350

MSRP: $200|Avg: $70

53%

#1240

Core Solo T1300

MSRP: $209|Avg: $10

48%

#1241

Core Solo T1200

MSRP: $209|Avg: $10

44%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Pentium T4400

#1042

Atom x5-Z8300

MSRP: $20|Avg: N/A

2672%

#1043

Atom Z3735G

MSRP: $17|Avg: N/A

2633%

#1044

Core i5-480M

MSRP: $81|Avg: $77

2417%

#1045

Core i5-460M

MSRP: $80|Avg: $129

2406%

#1046

Core i5-2540M

MSRP: $266|Avg: $10

2384%

#1048

Core i5-450M

MSRP: $32|Avg: $31

2302%

#1049

Core i3-380M

MSRP: $49|Avg: $25

2208%

#1050

Core i5-430M

MSRP: N/A|Avg: $33

2204%

#1051

Core 2 Duo T6600

MSRP: N/A|Avg: $4

2145%

#1054

Pentium T4400

MSRP: $107|Avg: $5

100%

#1056

Athlon X2 QL-65

MSRP: $150|Avg: $22

99%

#1057

Pentium J2850

MSRP: $94|Avg: $94

98%

#1058

Core i7-4900MQ

MSRP: $570|Avg: $40

98%

#1059

Pentium Dual Core T2370

MSRP: $150|Avg: $25

97%

#1060

Celeron P4505

MSRP: $86|Avg: $86

97%

#1061

Pentium T4200

MSRP: $99|Avg: $10

97%

#1062

Core i7-2720QM

MSRP: $378|Avg: N/A

97%

#1063

Pentium 2020M

MSRP: $134|Avg: N/A

96%

#1064

Celeron P4500

MSRP: $86|Avg: $5

96%

#1065

Pentium Dual Core SU4100

MSRP: $134|Avg: $10

96%

#1066

Processor N50

MSRP: $128|Avg: $120

95%

#1067

Athlon II N350

MSRP: $100|Avg: $100

95%

#1068

Celeron N3350

MSRP: $107|Avg: N/A

95%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Leadership: The Pentium T4400 delivers superior performance across the board. It outperforms the Core i7-640UM in both compute-intensive tasks (0.6% faster) and gaming workloads.

Insight	Core i7-640UM	Pentium T4400
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	✅ More affordable ($0)	⚠️ Higher cost ($5)
Longevity	🛑 Legacy (Arrandale (2010−2011) / 32 nm)	🛑 Legacy (Legacy / 45 nm)

💎 Value Proposition

Insight	Core i7-640UM	Pentium T4400
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	✅ More affordable ($0)	⚠️ Higher cost ($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.

Core i7-640UM Benchmark Check

Pentium T4400 Benchmark Check

Technical Specifications

Side-by-side comparison of Core i7-640UM and Pentium T4400

Core i7-640UM

The Core i7-640UM is manufactured by Intel. It was released in 7 January 2010 (15 years ago). It is based on the Arrandale (2010−2011) architecture. It features 2 cores and 4 threads. Base frequency is 1.2 GHz, with boost up to 2.27 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: 1,168 points. Launch price was $305.

Pentium T4400

The Pentium T4400 is manufactured by Intel. It was released in 2007-01-01. Base frequency: 2.2 GHz. L3 cache: 1 MB L2 Cache. Built on 45 nm process technology. Socket: PGA478. Thermal design power (TDP): 35 Watt. Passmark benchmark score: 1,175 points. Launch price was $69.

⚡

Processing Power

The Core i7-640UM is built on the Arrandale (2010−2011) architecture. In PassMark, the Core i7-640UM scores 1,168 against the Pentium T4400's 1,175 — a 0.6% lead for the Pentium T4400. Geekbench 6 single-core — the metric most relevant to gaming — records 226 vs 249, a 9.7% lead for the Pentium T4400 that directly translates to higher frame rates. L3 cache: 4 MB (total) on the Core i7-640UM vs 1 MB L2 Cache on the Pentium T4400.

Feature	Core i7-640UM	Pentium T4400
Cores / Threads	2 / 4	—
Boost Clock	2.27 GHz	—
Base Clock	1.2 GHz	2.2 GHz+83%
L3 Cache	4 MB (total)+300%	1 MB L2 Cache
L2 Cache	256 kB (per core)	—
Process	32 nm-29%	45 nm
Architecture	Arrandale (2010−2011)	—
PassMark	1,168	1,175
Geekbench 6 Single	226	249+10%
Geekbench 6 Multi	590	—

🧠

Memory & Platform

The Core i7-640UM uses the BGA1288 socket (PCIe 2.0), while the Pentium T4400 uses PGA478 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to DDR3-1066 memory speed. Both support up to 8 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core i7-640UM) vs 0 (Pentium T4400) — the Core i7-640UM offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: HM55,QM57 (Core i7-640UM) and GL40,GM45 (Pentium T4400).

Feature	Core i7-640UM	Pentium T4400
Socket	BGA1288	PGA478
PCIe Generation	PCIe 2.0	PCIe 2.0
Max RAM Speed	DDR3-1066	DDR3-800
Max RAM Capacity	8 GB	8 GB
RAM Channels	2	2
ECC Support	❌	❌
PCIe Lanes	16	0

🔧

Advanced Features

Neither processor supports overclocking. Virtualization support: VT-x, VT-d (Core i7-640UM) vs None (Pentium T4400). The Core i7-640UM includes integrated graphics (Intel HD Graphics (Ironlake)), while the Pentium T4400 requires a dedicated GPU. Primary use case: Core i7-640UM targets Legacy Laptop, Pentium T4400 targets Budget. Direct competitor: Core i7-640UM rivals Core 2 Duo SU9600; Pentium T4400 rivals AMD A4-3300M.