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 #1,237
Core i7-7660U wins by 11.1% (Rank #778 vs #1237)
Out of 2,060 results in the database
Rank #575
Rank #1,204
Core i7-7660U wins by 15.6% (Rank #575 vs #1204)
Out of 2,060 results in the database
Rank #1,116
Rank #1,340
Core i7-7660U wins by 3% (Rank #1116 vs #1340)
Out of 1,771 results in the database
Rank #1,032
Rank #1,264
Core i7-7660U wins by 1% (Rank #1032 vs #1264)
Out of 1,771 results in the database
Rank #1,047
Rank #1,291
Core i7-7660U wins by 1% (Rank #1047 vs #1291)
Out of 1,771 results in the database
Rank #896
Rank #1,208
Core i7-7660U wins by 2% (Rank #896 vs #1208)
Side-by-side comparison of key specifications
| Specification | Core i7-7660U | Core i3-3220T | Diff |
|---|---|---|---|
| Cores |
2
|
2
|
0% |
| Threads |
4
|
4
|
0% |
| Base Frequency |
2,500 MHz
|
2,800 MHz
|
-10.7% |
| Turbo Frequency (1 core) |
4,000 MHz
|
-- | |
| Clock Multiplier |
25x
|
28x
|
-10.7% |
| L1 Cache |
128 KB
|
62 KB
|
+51.2% |
| L2 Cache |
1 MiB
|
0 MiB
|
+51.2% |
| L3 Cache |
4 MiB
|
3 MiB
|
+28.5% |
| Memory Channels |
2
|
2
|
0% |
| 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
|
35 W
|
57.1% less |
| Process (lower is better) |
14 nm
|
22 nm
|
36.4% less |
| Specification | Core i7-7660U | Core i3-3220T |
|---|---|---|
| Designer | Intel | Intel |
| Family | Core | -- |
| Series | i7-7600 | -- |
| Model Number | i7-7660U | i3-3220T |
| Microarchitecture | Kaby Lake | -- |
| Core Name | Kaby Lake U | Ivy Bridge |
| Core Family | 6 | -- |
| Core Model | 142 | -- |
| Socket | -- | FCLGA1155 |
| Package | FCBGA-1356 | FC-LGA12C |
| Memory Type | LPDDR3-1866 DDR3L-1600 and DDR4-2133 | DDR3 1333/1600 |
| ECC Support | No | No |
| PCIe Revision | -- | 2.0 |
| PCIe Configuration | -- | up to 1x16, 2x8, 1x8 & 2x4 |
| Market Segment | Mobile | Desktop |
| Release Price | $415.00 | -- |
| Locked Multiplier | Yes | 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 i7-7660U | Core i3-3220T |
|---|---|---|
| Process | 14 nm | 22 nm |
| Die Area | -- | 94 mm² |
| Manufacturer | Intel | Intel |
| Technology | CMOS | -- |
| Word Size | 64-bit | 64-bit |
| ISA | x86-64 (x86) | -- |
Process
Die Area
Manufacturer
Technology
Word Size
ISA
Integrated GPU specifications comparison
| Specification | Core i7-7660U | Core i3-3220T |
|---|---|---|
| GPU | Iris Plus Graphics 640 | HD Graphics 2500 |
| GPU Designer | Intel | Intel |
| GPU Max Frequency | 1100 MHz | 1050 MHz |
| Execution Units | 48 | -- |
GPU
GPU Designer
GPU Max Frequency
Execution Units
Supported instruction set extensions comparison
| Extension | Core i7-7660U | Core i3-3220T |
|---|---|---|
| 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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