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 #847
Rank #1,045
Core i7-6660U wins by 5.3% (Rank #847 vs #1045)
Out of 2,060 results in the database
Rank #740
Rank #1,107
Core i7-6660U wins by 10% (Rank #740 vs #1107)
Out of 2,060 results in the database
Rank #1,009
Rank #866
Core i7 980 wins by 2.5% (Rank #1009 vs #866)
Out of 1,771 results in the database
Rank #1,107
Number Crunching not available for both processors.
Out of 1,771 results in the database
Rank #1,105
Data Processing not available for both processors.
Out of 1,771 results in the database
Rank #927
Physics & Compute not available for both processors.
Side-by-side comparison of key specifications
| Specification | Core i7-6660U | Core i7 980 | Diff |
|---|---|---|---|
| Cores |
2
|
6
|
-66.7% |
| Threads |
4
|
12
|
-66.7% |
| Base Frequency |
2,400 MHz
|
3,330 MHz
|
-27.9% |
| Turbo Frequency (1 core) |
3,400 MHz
|
-- | |
| Turbo Frequency (2 cores) |
3,400 MHz
|
-- | |
| Clock Multiplier |
24x
|
-- | |
| L1 Cache |
128 KB
|
-- | |
| L2 Cache |
1 MiB
|
-- | |
| L3 Cache |
4 MiB
|
-- | |
| Memory Channels |
2
|
3
|
-33.3% |
| Maximum Memory |
32 GB
|
0 GB
|
+99.9% |
| Max Bandwidth |
32 GB/s
|
26 GB/s
|
+19.5% |
| PCIe Lanes | -- |
16
|
|
| Max CPUs |
1
|
1
|
0% |
| TDP (lower is better) |
15 W
|
130 W
|
88.5% less |
| Process (lower is better) |
14 nm
|
32 nm
|
56.3% less |
| Specification | Core i7-6660U | Core i7 980 |
|---|---|---|
| Designer | Intel | Intel |
| Family | Core | -- |
| Series | i7-6000 | -- |
| Model Number | i7-6660U | i7-980 |
| Microarchitecture | Skylake | -- |
| Core Name | Skylake | -- |
| Core Family | 6 | -- |
| Core Model | 78 | -- |
| Socket | -- | FCLGA1366 |
| Package | FCBGA-1356 | -- |
| Memory Type | DDR4-2133 LPDDR3-1866 and DDR3L-1600 | DDR3 1066 |
| ECC Support | No | No |
| PCIe Revision | -- | 3.0 |
| PCIe Configuration | -- | up to 1x16, 2x8, 1x8 & 2x4 |
| Market Segment | Mobile | -- |
| Release Price | $415.00 | -- |
| Locked Multiplier | Yes | -- |
Designer
Family
Series
Model Number
Microarchitecture
Core Name
Core Family
Core Model
Socket
Package
Memory Type
ECC Support
PCIe Revision
PCIe Configuration
Market Segment
Release Price
Locked Multiplier
Manufacturing process and die characteristics
| Specification | Core i7-6660U | Core i7 980 |
|---|---|---|
| Process | 14 nm | 32 nm |
| Manufacturer | Intel | -- |
| Technology | CMOS | -- |
| Word Size | 64-bit | 64-bit |
| ISA | x86-64 (x86) | -- |
Process
Manufacturer
Technology
Word Size
ISA
Integrated GPU specifications comparison
| Specification | Core i7-6660U | Core i7 980 |
|---|---|---|
| GPU | Iris Graphics 540 | HD Graphics 2500 |
| GPU Designer | Intel | Intel |
| GPU Max Frequency | 1050 MHz | 1100 MHz |
| Execution Units | 48 | -- |
GPU
GPU Designer
GPU Max Frequency
Execution Units
Supported instruction set extensions comparison
| Extension | Core i7-6660U | Core i7 980 |
|---|---|---|
| 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 | ||
| SGX | ||
| SIPP | ||
| SMEP | ||
| SMM | ||
| SSE | ||
| SSE2 | ||
| SSE3 | ||
| SSE4.1 | ||
| SSE4.2 | ||
| SSSE3 | ||
| Secure Key | ||
| TBT 2.0 | ||
| TSX | ||
| TXT | ||
| VT-d | ||
| VT-x | ||
| vPro | ||
| x86-16 | ||
| x86-32 | ||
| x86-64 |
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