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 #1,022
Rank #1,566
Core i7-6600U wins by 11.1% (Rank #1022 vs #1566)
Out of 2,060 results in the database
Rank #976
Rank #1,873
Core i7-6600U wins by 22.7% (Rank #976 vs #1873)
Out of 2,060 results in the database
Rank #1,104
Rank #689
Atom C3958 wins by 7% (Rank #1104 vs #689)
Out of 1,771 results in the database
Rank #1,141
Rank #1,032
Atom C3958 wins by 0.5% (Rank #1141 vs #1032)
Out of 1,771 results in the database
Rank #1,167
Rank #878
Atom C3958 wins by 1.7% (Rank #1167 vs #878)
Out of 1,771 results in the database
Rank #1,031
Rank #1,096
Core i7-6600U wins by 0.5% (Rank #1031 vs #1096)
Side-by-side comparison of key specifications
| Specification | Core i7-6600U | Atom C3958 | Diff |
|---|---|---|---|
| Cores |
2
|
16
|
-87.5% |
| Threads |
4
|
16
|
-75% |
| Base Frequency |
2,600 MHz
|
2,000 MHz
|
+23.1% |
| Turbo Frequency (1 core) |
3,400 MHz
|
-- | |
| Turbo Frequency (2 cores) |
3,200 MHz
|
-- | |
| Clock Multiplier |
26x
|
20x
|
+23.1% |
| L1 Cache |
128 KB
|
896 KB
|
-85.7% |
| L2 Cache |
1 MiB
|
16 MiB
|
-96.9% |
| L3 Cache |
4 MiB
|
-- | |
| Memory Channels |
2
|
2
|
0% |
| Maximum Memory |
32 GB
|
256 GB
|
-87.5% |
| Max Bandwidth |
32 GB/s
|
36 GB/s
|
-11.1% |
| PCIe Lanes | -- |
16
|
|
| Max CPUs |
1
|
1
|
0% |
| TDP (lower is better) |
15 W
|
31 W
|
51.6% less |
| Process (lower is better) |
14 nm
|
14 nm
|
0% |
| Specification | Core i7-6600U | Atom C3958 |
|---|---|---|
| Designer | Intel | Intel |
| Family | Core | Atom |
| Series | i7-6000 | 3000 |
| Model Number | i7-6600U | C3958 |
| Microarchitecture | Skylake | Goldmont |
| Core Name | Skylake | Denverton |
| Core Family | 6 | 6 |
| Core Model | 78 | 95 |
| Package | FCBGA-1356 | FCBGA-1310 |
| Memory Type | DDR4-2133 LPDDR3-1866 and DDR3L-1600 | DDR3L-1600 and DDR4-2400 |
| ECC Support | No | Yes |
| PCIe Revision | -- | 3.0 |
| PCIe Configuration | -- | x8, x4, x2, x1 |
| Market Segment | Mobile | Embedded |
| Release Price | $393.00 | $449.00 |
| Locked Multiplier | Yes | Yes |
Designer
Family
Series
Model Number
Microarchitecture
Core Name
Core Family
Core Model
Package
Memory Type
ECC Support
PCIe Revision
PCIe Configuration
Market Segment
Release Price
Locked Multiplier
Manufacturing process and die characteristics
| Specification | Core i7-6600U | Atom C3958 |
|---|---|---|
| Process | 14 nm | 14 nm |
| Die Area | 98.57 mm² | -- |
| Transistor Count | 1.75 billion | -- |
| Manufacturer | Intel | Intel |
| Technology | CMOS | CMOS |
| Word Size | 64-bit | 64-bit |
| ISA | x86-64 (x86) | x86-64 (x86) |
Process
Die Area
Transistor Count
Manufacturer
Technology
Word Size
ISA
Integrated GPU specifications comparison
| Specification | Core i7-6600U | Atom C3958 |
|---|---|---|
| GPU | HD Graphics 520 | -- |
| GPU Designer | Intel | -- |
| GPU Max Frequency | 1050 MHz | -- |
| Execution Units | 24 | -- |
GPU
GPU Designer
GPU Max Frequency
Execution Units
Supported instruction set extensions comparison
| Extension | Core i7-6600U | Atom C3958 |
|---|---|---|
| ABM | ||
| ADX | ||
| AES | ||
| AVX | ||
| AVX2 | ||
| BMI1 | ||
| BMI2 | ||
| CLMUL | ||
| EIST | ||
| EMMX | ||
| EPT | ||
| F16C | ||
| FMA3 | ||
| FPU | ||
| Flex Memory | ||
| HT | ||
| IPT | ||
| ISRT | ||
| MMX | ||
| MPX | ||
| MWT | ||
| NX | ||
| Protected | ||
| QAT | ||
| RdRand | ||
| Real | ||
| SGX | ||
| SHA | ||
| 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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