ProductAtom D425Celeron 847
Brand Intel Intel
Street Price (Approx) ~ $42
Search low Atom D425 price (Amazon)
~ $134
Search low Celeron 847 price (Amazon)
# CPU Cores 12
Frequency (GHz) 1.8 GHz1.1 GHz
TDP (Watts) 10 W17 W
Product Segment DesktopMobile
Status ReleasedReleased
Announced On 2010-03-012011-03-01
TechnicalsAtom D425Celeron 847
Dimensions (2D) 22x22 mm31x31 mm
Die size (sqmm) 66
# CPU Cores 12
Threads/Core 2
Frequency (GHz) 1.8 GHz1.1 GHz
Cache L2 (MB) 512
Instructions Width (bits) 6464
Instructions Extensions SSE2, SSE3, SSSE3SSE4.x
Lithography Process (nm) 45 nm32 nm
Transistor Count (M) 123
TDP (Watts) 10 W17 W
Max RAM 4 GB16 GB
RAM Types DDR3 800 (SODIMM only); DDR2 667/800DDR3 1066/1333
# Memory Channels 12
Memory Bandwidth (GB/Sec) 6.4GB/s21.3GB/s
Max CPU Temp. 100100
Max CPU / Package 1
PCI-E Version 2
PCI-E Configurations 1x16, 2x8, 1x8 2x4
PCI-E Max Lanes # 16
Compatible Sockets FCBGA559FCBGA1023
Intel Turbo Boost Version
Intel V-Pro No
Intel Hyper-Thread YesNo
Intel Virtualization (VTX) NoYes
Intel Directed I/O (VTD) NoNo
Intel Ext. Page Tables (EPT) Yes
Intel 64 YesYes
Idle States NoYes
Thermal MonitoringTech. NoYes
Flex Memory Yes
Intel AES New Instructions NoNo
Trusted Execution NoNo
Execution Disable YesYes


Intel Atom D425 vs. Intel Celeron 847 Specs & Speed Benchmarks

CPU Speed

These tests are designed to stress the CPU components of the processor

Memory Bandwidth (GB/Sec), Higher is better


Performance/Price (Value)

Some of the same tests as above, but shown as a relation to the price. This shows what performance you get for each additional dollar spent. The higher the score, and the more value you get for your money