CPU Wiki

Core i5-2550K

Intel · x86-64 · Intel Socket 1155 · Desktop · 2012

Key facts

Production status: End-of-life
Release date: 2012-01-30
Cores / Threads: 4 / 4
Base clock: 3400 MHz
Turbo clock: 3800 MHz
TDP: 95 W
Process: 32 nm
Codename: Sandy Bridge
Generation: Core i5 (Sandy Bridge)

All available specs

FieldValue
nameCore i5-2550K
SocketIntel Socket 1155
FoundryIntel
Process Size32 nm
Transistors1,160 million
Die Size216 mm²
PackageFC-LGA10
MarketDesktop
Production StatusEnd-of-life
Release DateJan 30th, 2012
Part#SR0QH
Frequency3.4 GHz
Turbo Clockup to 3.8 GHz
Base Clock100 MHz
Multiplier34.0x
Multiplier UnlockedYes
CodenameSandy Bridge
GenerationCore i5 (Sandy Bridge)
Memory SupportDDR3
ECC MemoryNo
# of Cores4
# of Threads4
SMP # CPUs1
Cache L164 KB (per core)
Cache L2256 KB (per core)
FeaturesMMX, SSE, SSE2, SSE3, SSSE3, SSE4.2, AVX, EIST, Intel 64, XD bit, VT-x, AES-NI
NotesThis processor comes with an unlocked BCLK multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking.
Rated Speed1600 MT/s
Memory BusDual-channel
Memory Bandwidth25.6 GB/s
Launch Price$235
PCI-ExpressGen 2, 16 Lanes (CPU only)
Cache L36 MB (shared)
ChipsetsZ77, Z75, Q77, H77, Q75, B75, Z68, P67, H67, Q67, B65, H61
Benchmark rank1472
Benchmark samples149
Benchmark price103.88
Benchmark categoryDesktop
Benchmark socketLGA1155
Benchmark date2012-02-01
Benchmark TDP (W)95
Benchmark base (MHz)3400
Benchmark turbo (MHz)3800
Benchmark cores4
Benchmark threads per core1
Benchmark threads4