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 #317
Rank #1,425
Core i7-7700K wins by 24.6% (Rank #317 vs #1425)
Out of 2,060 results in the database
Rank #212
Rank #1,334
Core i7-7700K wins by 27.7% (Rank #212 vs #1334)
Out of 2,060 results in the database
Rank #473
Rank #1,846
Core i7-7700K wins by 19.3% (Rank #473 vs #1846)
Out of 1,771 results in the database
Rank #584
Rank #1,373
Core i7-7700K wins by 4.8% (Rank #584 vs #1373)
Out of 1,771 results in the database
Rank #573
Rank #1,291
Core i7-7700K wins by 5.7% (Rank #573 vs #1291)
Out of 1,771 results in the database
Rank #543
Rank #1,236
Core i7-7700K wins by 6.1% (Rank #543 vs #1236)
Side-by-side comparison of key specifications
| Specification | Core i7-7700K | Core i5-2520M | Diff |
|---|---|---|---|
| Cores |
4
|
2
|
+50% |
| Threads |
8
|
4
|
+50% |
| Base Frequency |
4,200 MHz
|
2,500 MHz
|
+40.5% |
| Turbo Frequency (1 core) |
4,500 MHz
|
3,200 MHz
|
+28.9% |
| Turbo Frequency (2 cores) |
4,400 MHz
|
3,000 MHz
|
+31.8% |
| Turbo Frequency (3 cores) |
4,400 MHz
|
-- | |
| Turbo Frequency (4 cores) |
4,400 MHz
|
-- | |
| Clock Multiplier |
42x
|
25x
|
+40.5% |
| L1 Cache |
256 KB
|
128 KB
|
+50% |
| L2 Cache |
1 MiB
|
1 MiB
|
+50% |
| L3 Cache |
8 MiB
|
3 MiB
|
+62.5% |
| Memory Channels |
2
|
2
|
0% |
| Maximum Memory |
64 GB
|
16 GB
|
+75% |
| Max Bandwidth |
36 GB/s
|
20 GB/s
|
+44.4% |
| PCIe Lanes | -- |
16
|
|
| Max CPUs |
1
|
1
|
0% |
| TDP (lower is better) |
91 W
|
35 W
|
61.5% more |
| Process (lower is better) |
14 nm
|
32 nm
|
56.3% less |
| Specification | Core i7-7700K | Core i5-2520M |
|---|---|---|
| Designer | Intel | Intel |
| Family | Core | Core |
| Series | i7-7700 | i5-2000 |
| Model Number | i7-7700K | i5-2520M |
| Microarchitecture | Kaby Lake | Sandy Bridge |
| Core Name | Kaby Lake S | Sandy Bridge M |
| Core Family | 6 | 6 |
| Core Model | 158 | 42 |
| Socket | LGA-1151 | Socket |
| Package | FCLGA-1151 | FCBGA-1023 and rPGA988B |
| Chipset | Sunrise Point and Union Point | Cougar |
| Memory Type | DDR3L-1600 and DDR4-2400 | DDR3-1333 and DDR3-1066 |
| ECC Support | No | No |
| PCIe Revision | -- | 2.0 |
| PCIe Configuration | -- | 1x16, 2x8, 1x8+2x4 |
| Market Segment | Desktop | Mobile |
| Release Price | $350.00 | $225.00 |
| 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 i7-7700K | Core i5-2520M |
|---|---|---|
| Process | 14 nm | 32 nm |
| Die Area | -- | 149 mm² |
| Transistor Count | -- | 0.62 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 i7-7700K | Core i5-2520M |
|---|---|---|
| GPU | HD Graphics 630 | HD Graphics 3000 |
| GPU Designer | Intel | Intel |
| GPU Max Frequency | 1150 MHz | 1300 MHz |
| Execution Units | 24 | 12 |
GPU
GPU Designer
GPU Max Frequency
Execution Units
Supported instruction set extensions comparison
| Extension | Core i7-7700K | Core i5-2520M |
|---|---|---|
| ABM | ||
| ADX | ||
| AES | ||
| ATT | ||
| AVX | ||
| AVX2 | ||
| BMI1 | ||
| BMI2 | ||
| CLMUL | ||
| EIST | ||
| EMMX | ||
| EPT | ||
| F16C | ||
| FMA | ||
| FMA3 | ||
| FPU | ||
| Flex Memory | ||
| HT | ||
| IPT | ||
| MMX | ||
| MPX | ||
| MWT | ||
| NX | ||
| Protected | ||
| RdRand | ||
| Real | ||
| SGX | ||
| 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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