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 #1,103
Rank #765
Core i7-3970X wins by 8.4% (Rank #1103 vs #765)
Out of 2,060 results in the database
Rank #1,033
Rank #836
Core i7-3970X wins by 5.9% (Rank #1033 vs #836)
Out of 2,060 results in the database
Rank #1,293
Rank #578
Core i7-3970X wins by 12.1% (Rank #1293 vs #578)
Out of 1,771 results in the database
Rank #1,171
Rank #581
Core i7-3970X wins by 4.2% (Rank #1171 vs #581)
Out of 1,771 results in the database
Rank #1,186
Rank #540
Core i7-3970X wins by 6.1% (Rank #1186 vs #540)
Out of 1,771 results in the database
Rank #1,048
Rank #597
Core i7-3970X wins by 4.5% (Rank #1048 vs #597)
Side-by-side comparison of key specifications
| Specification | Core i7-6500U | Core i7-3970X | Diff |
|---|---|---|---|
| Cores |
2
|
6
|
-66.7% |
| Threads |
4
|
12
|
-66.7% |
| Base Frequency |
2,500 MHz
|
3,500 MHz
|
-28.6% |
| Turbo Frequency (1 core) |
3,100 MHz
|
-- | |
| Turbo Frequency (2 cores) |
3,000 MHz
|
-- | |
| Clock Multiplier |
25x
|
35x
|
-28.6% |
| L1 Cache |
128 KB
|
62 KB
|
+51.2% |
| L2 Cache |
1 MiB
|
0 MiB
|
+51.2% |
| L3 Cache |
4 MiB
|
14 MiB
|
-72% |
| Memory Channels |
2
|
4
|
-50% |
| Maximum Memory |
32 GB
|
0 GB
|
+99.8% |
| Max Bandwidth |
32 GB/s
|
51 GB/s
|
-37.9% |
| PCIe Lanes | -- |
40
|
|
| Max CPUs |
1
|
1
|
0% |
| TDP (lower is better) |
15 W
|
150 W
|
90% less |
| Process (lower is better) |
14 nm
|
32 nm
|
56.3% less |
| Specification | Core i7-6500U | Core i7-3970X |
|---|---|---|
| Designer | Intel | Intel |
| Family | Core | -- |
| Series | i7-6000 | -- |
| Model Number | i7-6500U | i7-3970X |
| Microarchitecture | Skylake | -- |
| Core Name | Skylake | Sandy Bridge-E |
| Core Family | 6 | -- |
| Core Model | 78 | -- |
| Socket | -- | FCLGA1150 |
| Package | FCBGA-1356 | FC-LGA10 |
| Memory Type | DDR3L-1600 DDR4-2133 and LPDDR3-1866 | DDR3 1066/1333/1600 |
| ECC Support | No | No |
| PCIe Revision | -- | 2.0 |
| PCIe Configuration | -- | Up to 1x16, 2x8, 1x8+2x4 |
| Market Segment | Mobile | Desktop |
| Release Price | $393.00 | -- |
| Locked Multiplier | Yes | No |
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 i7-6500U | Core i7-3970X |
|---|---|---|
| Process | 14 nm | 32 nm |
| Die Area | 98.57 mm² | 435 mm² |
| Transistor Count | 1.75 billion | 2,270 |
| 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 i7-6500U | Core i7-3970X |
|---|---|---|
| GPU | HD Graphics 520 | HD Graphics 4600 |
| GPU Designer | Intel | Intel |
| GPU Max Frequency | 1050 MHz | 1200 MHz |
| Execution Units | 24 | -- |
GPU
GPU Designer
GPU Max Frequency
Execution Units
Supported instruction set extensions comparison
| Extension | Core i7-6500U | Core i7-3970X |
|---|---|---|
| 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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