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 #365
Rank #617
Core i7-6700K wins by 6.9% (Rank #365 vs #617)
Out of 2,060 results in the database
Rank #322
Rank #521
Core i7-6700K wins by 5.5% (Rank #322 vs #521)
Out of 2,060 results in the database
Rank #416
Rank #687
Core i7-6700K wins by 9.3% (Rank #416 vs #687)
Out of 1,771 results in the database
Rank #609
Rank #673
Core i7-6700K wins by 0.6% (Rank #609 vs #673)
Out of 1,771 results in the database
Rank #609
Rank #674
Core i7-6700K wins by 1% (Rank #609 vs #674)
Out of 1,771 results in the database
Rank #573
Rank #690
Core i7-6700K wins by 1.6% (Rank #573 vs #690)
Side-by-side comparison of key specifications
| Specification | Core i7-6700K | Core i7-4790 | Diff |
|---|---|---|---|
| Cores |
4
|
4
|
0% |
| Threads |
8
|
8
|
0% |
| Base Frequency |
4,000 MHz
|
3,600 MHz
|
+10% |
| Turbo Frequency (1 core) |
4,200 MHz
|
-- | |
| Turbo Frequency (2 cores) |
4,000 MHz
|
-- | |
| Turbo Frequency (3 cores) |
4,000 MHz
|
-- | |
| Turbo Frequency (4 cores) |
4,000 MHz
|
-- | |
| Clock Multiplier |
40x
|
36x
|
+10% |
| L1 Cache |
256 KB
|
62 KB
|
+75.6% |
| L2 Cache |
1 MiB
|
0 MiB
|
+75.6% |
| L3 Cache |
8 MiB
|
8 MiB
|
+4.6% |
| Memory Channels |
2
|
2
|
0% |
| Maximum Memory |
64 GB
|
0 GB
|
+100% |
| Max Bandwidth |
32 GB/s
|
26 GB/s
|
+19.5% |
| PCIe Lanes | -- |
16
|
|
| Max CPUs |
1
|
1
|
0% |
| TDP (lower is better) |
91 W
|
84 W
|
7.7% more |
| Process (lower is better) |
14 nm
|
22 nm
|
36.4% less |
| Specification | Core i7-6700K | Core i7-4790 |
|---|---|---|
| Designer | Intel | Intel |
| Family | Core | -- |
| Series | i7-6000 | -- |
| Model Number | i7-6700K | i7-4790 |
| Microarchitecture | Skylake | -- |
| Core Name | Skylake | Haswell |
| Core Family | 6 | -- |
| Core Model | 94 | -- |
| Socket | LGA-1151 | FCLGA1150 |
| Package | FCLGA-1151 | |
| Chipset | Sunrise | -- |
| Memory Type | DDR3L-1600 and DDR4-2133 | DDR3-1333/1600, DDR3L-1333/1600 @ 1.5V |
| ECC Support | No | No |
| PCIe Revision | -- | Up to 3.0 |
| PCIe Configuration | -- | Up to 1x16, 2x8, 1x8+2x4 |
| Market Segment | Desktop | Desktop |
| Release Price | $350.00 | -- |
| Locked Multiplier | No | Yes |
Designer
Family
Series
Model Number
Microarchitecture
Core Name
Core Family
Core Model
Socket
Package
Chipset
Memory Type
ECC Support
PCIe Revision
PCIe Configuration
Market Segment
Release Price
Locked Multiplier
Manufacturing process and die characteristics
| Specification | Core i7-6700K | Core i7-4790 |
|---|---|---|
| Process | 14 nm | 22 nm |
| Die Area | 122 mm² | 177 mm² |
| Transistor Count | -- | 1,400 |
| Manufacturer | Intel | Intel |
| Technology | CMOS | -- |
| Word Size | 64-bit | 64-bit |
| ISA | x86-64 (x86) | -- |
Process
Die Area
Transistor Count
Manufacturer
Technology
Word Size
ISA
Integrated GPU specifications comparison
| Specification | Core i7-6700K | Core i7-4790 |
|---|---|---|
| GPU | HD Graphics 530 | HD Graphics 4600 |
| GPU Designer | Intel | Intel |
| GPU Max Frequency | 1150 MHz | 1200 MHz |
| Execution Units | 24 | -- |
GPU
GPU Designer
GPU Max Frequency
Execution Units
Supported instruction set extensions comparison
| Extension | Core i7-6700K | Core i7-4790 |
|---|---|---|
| ABM | ||
| ADX | ||
| AES | ||
| AVX | ||
| AVX2 | ||
| BMI1 | ||
| BMI2 | ||
| CLMUL | ||
| EIST | ||
| EMMX | ||
| EPT | ||
| F16C | ||
| FMA | ||
| FMA3 | ||
| FPU | ||
| Flex Memory | ||
| HT | ||
| IPT | ||
| MMX | ||
| MPX | ||
| 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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