ProductCore i7-4900MQCore i7-7660U
Brand Intel Intel
Street Price (Approx) ~ $575
Search low Core i7-4900MQ price (Amazon)
~ $415
Search low Core i7-7660U price (Amazon)
# CPU Cores 42
Frequency (GHz) 2.8 GHz2.5 GHz
Cache (MB) 84
TDP (Watts) 47 W15 W
Product Segment MobileMobile
Status ReleasedReleased
Announced On 2013-03-012017-01-01
TechnicalsCore i7-4900MQCore i7-7660U
Dimensions (2D) 37.5x37.5 mm42x42 mm
Conflict Free? 11
# CPU Cores 42
Threads/Core 84
Frequency (GHz) 2.8 GHz2.5 GHz
Turbo Frequency (GHz) 3.8 GHz4 GHz
Cache (MB) 84
Instructions Width (bits) 6464
Instructions Extensions SSE4.1/4.2, AVX 2.0SSE4.1/4.2, AVX 2.0
Lithography Process (nm) 22 nm14 nm
TDP (Watts) 47 W15 W
TDP Down (W) 9.5
Max RAM 32 GB32 GB
RAM Types DDR3L 1333/1600DDR4-2133, LPDDR3-1866, DDR3L-1600
# Memory Channels 22
Memory Bandwidth (GB/Sec) 25.6GB/s34.1GB/s
Max CPU Temp. 100
Max CPU / Package 11
GPU Intel® Iris™ Plus Graphics 640
PCI-E Version 33
PCI-E Configurations 1x16, 2x8, 1x8 2x4
PCI-E Max Lanes # 1612
Compatible Sockets FCPGA946FCBGA1356
Intel Turbo Boost Version 22
Intel V-Pro YesYes
Intel Hyper-Thread YesYes
Intel Virtualization (VTX) YesYes
Intel Directed I/O (VTD) YesYes
Intel Ext. Page Tables (EPT) YesYes
Intel TSX Sync. Extensions NoYes
Intel 64 YesYes
Intel MyWiFi Yes
Idle States YesYes
Enhanced Speedstep Yes
Thermal MonitoringTech. YesYes
Flex Memory Yes
Intel ID Protect YesYes
Intel SIPP Yes
Smart Response Technology Yes
Intel AES New Instructions YesYes
Intel Secure Key YesYes
Intel SGX Yes
Intel MPX Yes
Intel OS Guard Yes
Trusted Execution YesYes
Execution Disable YesYes

 

Intel Core i7-4900MQ vs. Intel Core i7-7660U Specs & Speed Benchmarks

CPU Speed

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

Geekbench 4 Multi, Higher is better

Geekbench 4 Single, Higher is better

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

Geekbench 4 Multi / Price, Higher is better