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Intel Core i7-4820K vs Intel Core i7-940
Last updated:
Benchmarks
Performance Overview
Average performance across multiple benchmarks
Single-core performance
Multi-core performance
Geekbench 6 Single-Core
Single-core performance
Intel Core i7-4820K
100 %
4C / 8T · 3.90 GHz
Intel Core i7-940
77 %
4C / 8T · 3.20 GHz
Geekbench 6 Multi-Core
Multi-core performance
Intel Core i7-4820K
100 %
4C / 8T · 3.80 GHz
Intel Core i7-940
67 %
4C / 8T · 2.93 GHz
Geekbench 5, 64bit Single-Core
Single-core performance
Intel Core i7-4820K
100 %
4C / 8T · 3.90 GHz
Intel Core i7-940
70 %
4C / 8T · 3.20 GHz
Geekbench 5, 64bit Multi-Core
Multi-core performance
Intel Core i7-4820K
100 %
4C / 8T · 3.80 GHz
Intel Core i7-940
66 %
4C / 8T · 2.93 GHz
More benchmarks
Geekbench 6 (SC)
1,989 entries
1,989 entries
Geekbench 6 (MC)
1,927 entries
1,927 entries
Geekbench 5 (SC)
2,512 entries
2,512 entries
Geekbench 5 (MC)
2,483 entries
2,483 entries
PassMark CPU-Mark
2,504 entries
2,504 entries
CPU-Z Benchmark 17 (MC)
751 entries
751 entries
Cinebench R15 (SC)
1,113 entries
1,113 entries
Cinebench R15 (MC)
1,110 entries
1,110 entries
Geekbench 3 (SC)
945 entries
945 entries
Geekbench 3 (MC)
941 entries
941 entries
Cinebench R11.5 (SC)
826 entries
826 entries
Cinebench R11.5 (MC)
837 entries
837 entries
Specifications
At a glance
|
Wischen
|
Intel Core i7-4820K | Intel Core i7-940 |
|---|---|---|
| Family | Intel Core i7 Extreme Edition (24) | Intel Core i7 (300) |
| CPU group | Intel Core i 4000X (3) | Intel Core i7 900 (7) |
| Architecture | Ivy Bridge E | Bloomfield |
| Technology | 22 nm | 45 nm |
| Segment | Desktop | Desktop |
| Socket | LGA 2011 | LGA 1366 |
| Predecessor | ||
| Successor | Intel Core i7-5820K |
CPU Cores and Base Frequency
|
Wischen
|
Intel Core i7-4820K | Intel Core i7-940 |
|---|---|---|
| CPU Cores / Threads | 4 / 8 | 4 / 8 |
| Hyperthreading / SMT | ✓ | ✓ |
| Core architecture | normal | normal |
| Cores: | 4x | 4x |
| Frequency: | 3.70 GHz | 2.93 GHz |
| Turbo (1 Core): | 3.90 GHz | 3.20 GHz |
| Turbo (All Cores): | 3.80 GHz | |
| L2-Cache | 1.00 MB | |
| L3-Cache | 10.00 MB | 8.00 MB |
| Overclocking | ✓ | ✗ |
Integrated graphics (iGPU)
|
Wischen
|
Intel Core i7-4820K | Intel Core i7-940 |
|---|---|---|
| GPU name | no iGPU | no iGPU |
| GPU frequency | ||
| CUs / Shader | / | / |
| Raytracing | ✗ | ✗ |
| Max. displays | ||
| Max. GPU Memory | ||
| Technology | ||
| Release date |
NPU AI performance
|
Wischen
|
Intel Core i7-4820K | Intel Core i7-940 |
|---|---|---|
| AI hardware | ||
| AI specifications | ||
| NPU + CPU + iGPU |
Memory & PCIe
|
Wischen
|
Intel Core i7-4820K | Intel Core i7-940 |
|---|---|---|
| Memory | DDR3-1866 (59.7 GB/s) | DDR3-1066 (25.6 GB/s) |
| Max. Memory | 64 GB | 24 GB |
| Memory channels | 4 | 3 |
| ECC | No | No |
| PCIe | 3.0 x 40 | |
| PCIe Bandwidth | 39.4 GB/s |
Thermal Management
|
Wischen
|
Intel Core i7-4820K | Intel Core i7-940 |
|---|---|---|
| TDP | 130 W | 130 W |
| TDP (PL2) | ||
| TDP up | ||
| TDP down | ||
| T. junction max. |
Technical details
|
Wischen
|
Intel Core i7-4820K | Intel Core i7-940 |
|---|---|---|
| Chip design | Monolithic | Monolithic |
| AES-NI | ✓ | ✗ |
| Operating systems | Windows 10, Linux | Windows 10, Linux |
| Instruction set | x86-64 (64 bit) | x86-64 (64 bit) |
| ISA extensions | SSE4.1, SSE4.2, AVX | SSE4.1, SSE4.2 |
| Release date | Q3/2013 | Q4/2008 |
| Release price | 280 $ | 305 $ |
| Documents | Technical data sheet | Technical data sheet |
User Reviews
Your rating
Here you can rate one or both of the processors. The average rating of Intel Core i7-4820K is 4.0 stars (8 ratings), while Intel Core i7-940 has received 5.0 stars (2 ratings).
Click on the stars to rate one or both processors.
Most popular CPUs in both categories
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Intel Core i7-940
4C / 8T · 3.20 GHz
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Apple M3 Ultra (28-CPU 60-GPU)
28C / 28T · 4.06 GHz
3
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32C / 32T · 4.06 GHz
4
Intel Celeron 450
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Intel Core Ultra 7 270K Plus
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14C / 20T · 5.10 GHz
7
AMD Ryzen 7 5800XT
8C / 16T · 4.80 GHz
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Intel Xeon E5-2680 v4
14C / 28T · 3.30 GHz
9
Intel Core i7-4820K
4C / 8T · 3.90 GHz
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