ProductCeleron 857Atom Z2420
Brand Intel Intel
Street Price (Approx)
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# CPU Cores 21
Frequency (GHz) 1.2 GHz
Cache (MB) 512
TDP (Watts) 17 W
Product Segment MobileMobile
Status ReleasedReleased
Announced On 2011-06-012013-01-01
TechnicalsCeleron 857Atom Z2420
Dimensions (2D) 31x31 mm12x12 mm
Conflict Free? 1
# CPU Cores 21
Threads/Core 22
Frequency (GHz) 1.2 GHz
Cache (MB) 512
Instructions Width (bits) 6432
Instructions Extensions SSE4.xSSE, SSE2, SSE3
Lithography Process (nm) 32 nm32 nm
TDP (Watts) 17 W
Max RAM 16 GB1 GB
RAM Types DDR3 1066/1333LPDDR2 800
# Memory Channels 22
Memory Bandwidth (GB/Sec) 21.3GB/s6.4GB/s
Max CPU Temp. 10090
Max CPU / Package 11
PCI-E Version 2
PCI-E Configurations 1x16, 2x8, 1x8 2x4
PCI-E Max Lanes # 16
Intel Turbo Boost Version
Intel V-Pro No
Intel Hyper-Thread NoYes
Intel Virtualization (VTX) Yes
Intel Directed I/O (VTD) No
Intel Ext. Page Tables (EPT) Yes
Intel 64 Yes
Intel MyWiFi No
Idle States YesYes
Thermal MonitoringTech. YesYes
Flex Memory Yes
Intel AES New Instructions No
Trusted Execution No
Execution Disable YesYes

 

Intel Celeron 857 vs. Intel Atom Z2420 Specs & Speed Benchmarks

Intel Celeron 857 vs. Intel Atom Z2420 Specs & Speed Benchmarks

Memory Bandwidth (GB/Sec)

Higher is better