ProductCeleron 857Core i7-7660U
Brand Intel Intel
Street Price (Approx)
Search low Celeron 857 price (Amazon)
~ $415
Search low Core i7-7660U price (Amazon)
# CPU Cores 22
Frequency (GHz) 1.2 GHz2.5 GHz
Cache (MB) 4
TDP (Watts) 17 W15 W
Product Segment MobileMobile
Status ReleasedReleased
Announced On 2011-06-012017-01-01
TechnicalsCeleron 857Core i7-7660U
Dimensions (2D) 31x31 mm42x42 mm
Conflict Free? 1
# CPU Cores 22
Threads/Core 24
Frequency (GHz) 1.2 GHz2.5 GHz
Turbo Frequency (GHz) 4 GHz
Cache (MB) 4
Instructions Width (bits) 6464
Instructions Extensions SSE4.xSSE4.1/4.2, AVX 2.0
Lithography Process (nm) 32 nm14 nm
TDP (Watts) 17 W15 W
TDP Down (W) 9.5
Max RAM 16 GB32 GB
RAM Types DDR3 1066/1333DDR4-2133, LPDDR3-1866, DDR3L-1600
# Memory Channels 22
Memory Bandwidth (GB/Sec) 21.3GB/s34.1GB/s
Max CPU Temp. 100
Max CPU / Package 11
GPU Intel® Iris™ Plus Graphics 640
PCI-E Version 23
PCI-E Configurations 1x16, 2x8, 1x8 2x4
PCI-E Max Lanes # 1612
Compatible Sockets FCBGA1356
Intel Turbo Boost Version 2
Intel V-Pro NoYes
Intel Hyper-Thread NoYes
Intel Virtualization (VTX) YesYes
Intel Directed I/O (VTD) NoYes
Intel Ext. Page Tables (EPT) YesYes
Intel TSX Sync. Extensions Yes
Intel 64 YesYes
Intel MyWiFi NoYes
Idle States YesYes
Enhanced Speedstep Yes
Thermal MonitoringTech. YesYes
Flex Memory YesYes
Intel ID Protect Yes
Intel SIPP Yes
Smart Response Technology Yes
Intel AES New Instructions NoYes
Intel Secure Key Yes
Intel SGX Yes
Intel MPX Yes
Intel OS Guard Yes
Trusted Execution NoYes
Execution Disable YesYes

 

Intel Celeron 857 vs. Intel Core i7-7660U Specs & Speed Benchmarks

Intel Celeron 857 vs. Intel Core i7-7660U Specs & Speed Benchmarks

Geekbench 4 Multi

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Geekbench 4 Single

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Memory Bandwidth (GB/Sec)

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Geekbench 4 Multi / Price (Market)

Higher is better