Combined benchmark scores for both processors
Head-to-head processor comparison
Combined benchmark scores for both processors
Out of 2,060 results in the database
Rank #778
Rank #405
Core i5-6600K wins by 9% (Rank #778 vs #405)
Out of 2,060 results in the database
Rank #575
Rank #276
Core i5-6600K wins by 8.6% (Rank #575 vs #276)
Out of 2,060 results in the database
Rank #1,116
Rank #578
Core i5-6600K wins by 9.8% (Rank #1116 vs #578)
Out of 1,771 results in the database
Rank #1,032
Rank #780
Core i5-6600K wins by 1.8% (Rank #1032 vs #780)
Out of 1,771 results in the database
Rank #1,047
Rank #820
Core i5-6600K wins by 1.7% (Rank #1047 vs #820)
Out of 1,771 results in the database
Rank #896
Rank #659
Core i5-6600K wins by 2.5% (Rank #896 vs #659)
Side-by-side comparison of key specifications
| Specification | Core i7-7660U | Core i5-6600K | Diff |
|---|---|---|---|
| Cores |
2
|
4
|
-50% |
| Threads |
4
|
4
|
0% |
| Base Frequency |
2,500 MHz
|
3,500 MHz
|
-28.6% |
| Turbo Frequency (1 core) |
4,000 MHz
|
3,900 MHz
|
+2.5% |
| Turbo Frequency (2 cores) | -- |
3,800 MHz
|
|
| Turbo Frequency (3 cores) | -- |
3,700 MHz
|
|
| Turbo Frequency (4 cores) | -- |
3,600 MHz
|
|
| Clock Multiplier |
25x
|
35x
|
-28.6% |
| L1 Cache |
128 KB
|
256 KB
|
-50% |
| L2 Cache |
1 MiB
|
1 MiB
|
-50% |
| L3 Cache |
4 MiB
|
6 MiB
|
-33.3% |
| Memory Channels |
2
|
2
|
0% |
| Maximum Memory |
32 GB
|
64 GB
|
-50% |
| Max Bandwidth |
32 GB/s
|
32 GB/s
|
0% |
| Max CPUs |
1
|
1
|
0% |
| TDP (lower is better) |
15 W
|
91 W
|
83.5% less |
| Process (lower is better) |
14 nm
|
14 nm
|
0% |
| Specification | Core i7-7660U | Core i5-6600K |
|---|---|---|
| Designer | Intel | Intel |
| Family | Core | Core |
| Series | i7-7600 | i5-6000 |
| Model Number | i7-7660U | i5-6600K |
| Microarchitecture | Kaby Lake | Skylake |
| Core Name | Kaby Lake U | Skylake |
| Core Family | 6 | 6 |
| Core Model | 142 | 94 |
| Socket | -- | LGA-1151 |
| Package | FCBGA-1356 | FCLGA-1151 |
| Chipset | -- | Sunrise |
| Memory Type | LPDDR3-1866 DDR3L-1600 and DDR4-2133 | DDR3L-1600 and DDR4-2133 |
| ECC Support | No | No |
| Market Segment | Mobile | Desktop |
| Release Price | $415.00 | $243.00 |
| Locked Multiplier | Yes | No |
Designer
Family
Series
Model Number
Microarchitecture
Core Name
Core Family
Core Model
Socket
Package
Chipset
Memory Type
ECC Support
Market Segment
Release Price
Locked Multiplier
Manufacturing process and die characteristics
| Specification | Core i7-7660U | Core i5-6600K |
|---|---|---|
| Process | 14 nm | 14 nm |
| Die Area | -- | 122 mm² |
| Manufacturer | Intel | Intel |
| Technology | CMOS | CMOS |
| Word Size | 64-bit | 64-bit |
| ISA | x86-64 (x86) | x86-64 (x86) |
Process
Die Area
Manufacturer
Technology
Word Size
ISA
Integrated GPU specifications comparison
| Specification | Core i7-7660U | Core i5-6600K |
|---|---|---|
| GPU | Iris Plus Graphics 640 | HD Graphics 530 |
| GPU Designer | Intel | Intel |
| GPU Max Frequency | 1100 MHz | 1150 MHz |
| Execution Units | 48 | 24 |
GPU
GPU Designer
GPU Max Frequency
Execution Units
Supported instruction set extensions comparison
| Extension | Core i7-7660U | Core i5-6600K |
|---|---|---|
| ABM | ||
| ADX | ||
| AES | ||
| AVX | ||
| AVX2 | ||
| BMI1 | ||
| BMI2 | ||
| CLMUL | ||
| EIST | ||
| EMMX | ||
| EPT | ||
| F16C | ||
| FMA | ||
| FMA3 | ||
| FPU | ||
| Flex Memory | ||
| HT | ||
| IPT | ||
| ISRT | ||
| MMX | ||
| MPX | ||
| MWT | ||
| NX | ||
| Protected | ||
| RdRand | ||
| Real | ||
| SBA | ||
| SGX | ||
| SIPP | ||
| SMEP | ||
| SMM | ||
| SSE | ||
| SSE2 | ||
| SSE3 | ||
| SSE4.1 | ||
| SSE4.2 | ||
| SSSE3 | ||
| SST | ||
| Secure Key | ||
| TBT 2.0 | ||
| TSX | ||
| TXT | ||
| VT-d | ||
| VT-x | ||
| vPro | ||
| x86-16 | ||
| x86-32 | ||
| x86-64 |
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