HP ProBook 6455b, 6555b, 6450b and 6550b Notebook PCs Maintenance and Service Guide
Category Description HP ProBook
6555b
Notebook
PC
HP ProBook
6455b
Notebook PC
HP ProBook
6550b
Notebook PC
HP ProBook
6450b
Notebook PC
AMD Turion II Dual Core Mobile
P520 2.3-GHz processor (25W, 2-
MB L2 cache)
√√
AMD Athlon II Dual Core P340 2.2-
GHz processor (25W, 1-MB L2
cache)
√√
AMD Athlon II Dual Core P320 2.1-
GHz processor (25W, 1-MB L2
cache)
√√
Intel Core i7-740QM (1.73 GHz
(Turbo up to 2.93), 6 MB L3 cache,
8 threads, 45W)
√√
Intel Core i7-720QM (1.60 GHz
(Turbo up to 2.80 GHz), 6 MB L3
cache, 8 threads, 45 W)
√√
Intel Core i7-620M (2.66 GHz
(Turbo up to 3.33 GHz), 4 MB L3
cache, 4 threads, 35 W)
√√
Intel Core i5-540M (2.53 GHz
(Turbo up to 3.06 GHz), 3 MB L3
cache, 4 threads, 35 W)
√√
Intel Core i5-520M (2.4 GHz (Turbo
up to 2.93 GHz), 3 MB L3 cache, 4
threads, 35 W)
√√
Intel Core i5-480M (2.66 GHz
(Turbo up to 3.00-GHz), 3-MB L3
cache, 4 threads, 35 W)
√√
Intel Core i5-450M (2.40 GHz
(Turbo up to 2.66 GHz), 3 MB L3
cache, 4 threads, 35 W)
√√
Intel Core i3-370M (2.40 GHz, 3 MB
L3 cache, 35W)
√√
Intel Core i3-350M (2.26 GHz, 3
MB)
√√
Intel P4500 (1.8 GHz), 2MB, 35W √√
Chipset AMD M880G RS880M (500 MHz) √√
AMD M880G SB820M (D1) √√
Intel Calpella √√
Mobile Intel HM57 Chipset √√
Mobile Intel QM57 Chipset √√
Graphics ATI Mobility Radeon™ HD 4250
Universal Memory Architecture
(UMA) graphics
√√
2 Chapter 1 Product description