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Intel Core i7-3820 vs Intel Core Ultra 7 265
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 i7-3820
23 %
4C / 8T · 3.80 GHz
Intel Core Ultra 7 265
100 %
20C / 20T · 5.30 GHz
Geekbench 6 Multi-Core
Multi-core performance
Intel Core i7-3820
13 %
4C / 8T · 3.60 GHz
Intel Core Ultra 7 265
100 %
20C / 20T · 5.10 GHz
CPU-Z Benchmark 17 Multi-Core
Multi-core performance
Intel Core i7-3820
12 %
4C / 8T · 3.60 GHz
Intel Core Ultra 7 265
100 %
20C / 20T · 2.40 GHz
More benchmarks
Cinebench 2024 (SC)
427 entries
427 entries
Cinebench 2024 (MC)
422 entries
422 entries
Cinebench R23 (SC)
690 entries
690 entries
Cinebench R23 (MC)
665 entries
665 entries
Geekbench 6 (SC)
1,989 entries
1,989 entries
Geekbench 6 (MC)
1,927 entries
1,927 entries
Cinebench R20 (SC)
666 entries
666 entries
Geekbench 5 (SC)
2,512 entries
2,512 entries
Cinebench R20 (MC)
615 entries
615 entries
Geekbench 5 (MC)
2,483 entries
2,483 entries
FP32 SP (iGPU)
2,219 entries
2,219 entries
PassMark CPU-Mark
2,504 entries
2,504 entries
CPU-Z Benchmark 17 (SC)
250 entries
250 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
AI performance (NPU)
218 entries
218 entries
Specifications
At a glance
|
Wischen
|
Intel Core i7-3820 | Intel Core Ultra 7 265 |
|---|---|---|
| Family | Intel Core i7 Extreme Edition (24) | Intel Core Ultra 7 (31) |
| CPU group | Intel Core i 3000X (4) | Intel Core Ultra 200 AL-S (20) |
| Architecture | Sandy Bridge E | Arrow Lake |
| Technology | 32 nm | 3 nm |
| Segment | Desktop | Desktop |
| Socket | LGA 2011 | LGA 1851 |
| Predecessor | ||
| Successor |
CPU Cores and Base Frequency
|
Wischen
|
Intel Core i7-3820 | Intel Core Ultra 7 265 |
|---|---|---|
| CPU Cores / Threads | 4 / 8 | 20 / 20 |
| Hyperthreading / SMT | ✓ | ✗ |
| Core architecture | normal | hybrid (big.LITTLE) |
| Core Cluster 1: | 4x 3.60 - 3.80 GHz |
8x Lion Cove 2.40 - 5.30 GHz |
| Core Cluster 2: | 12x Skymont 1.80 - 4.60 GHz |
|
| L2-Cache | 36.00 MB | |
| L3-Cache | 10.00 MB | 33.00 MB |
| Overclocking | ✓ | ✓ |
Integrated graphics (iGPU)
|
Wischen
|
Intel Core i7-3820 | Intel Core Ultra 7 265 |
|---|---|---|
| GPU name | no iGPU | Intel Xe 4 Core Graphics 64 EUs (Arrow Lake) |
| GPU frequency | 0.30 - 1.95 GHz | |
| CUs / Shader | / | 4 / 512 |
| Raytracing | ✗ | ✓ |
| Max. displays | 3 | |
| Max. GPU Memory | 32 GB | |
| Technology | 5 nm | |
| Release date | Q3/2024 |
NPU AI performance
|
Wischen
|
Intel Core i7-3820 | Intel Core Ultra 7 265 |
|---|---|---|
| AI hardware | Intel® AI Boost | |
| AI specifications | Intel AI Boost NPU 4 @ 13 TOPS | |
| NPU + CPU + iGPU | 37 TOPS |
Memory & PCIe
|
Wischen
|
Intel Core i7-3820 | Intel Core Ultra 7 265 |
|---|---|---|
| Memory | DDR3-1600 (51.2 GB/s) DDR3-1333 (42.6 GB/s) DDR3-1066 (34.2 GB/s) | DDR5-6400 (102.4 GB/s) |
| Max. Memory | 64 GB | 256 GB |
| Memory channels | 4 | 2 |
| ECC | No | Yes |
| PCIe | 2.0 x 40 | 5.0 x 20 |
| PCIe Bandwidth | 20.0 GB/s | 78.8 GB/s |
Thermal Management
|
Wischen
|
Intel Core i7-3820 | Intel Core Ultra 7 265 |
|---|---|---|
| TDP | 130 W | 65 W |
| TDP (PL2) | 182 W | |
| TDP up | ||
| TDP down | ||
| T. junction max. | 105 °C | 105 °C |
Technical details
|
Wischen
|
Intel Core i7-3820 | Intel Core Ultra 7 265 |
|---|---|---|
| Chip design | Monolithic | Monolithic |
| AES-NI | ✓ | ✓ |
| Operating systems | Windows 10, Linux | Windows 11, Linux |
| Instruction set | x86-64 (64 bit) | x86-64 (64 bit) |
| ISA extensions | SSE4.1, SSE4.2, AVX | SSE4.1, SSE4.2, AVX2 |
| Release date | Q1/2012 | Q1/2025 |
| Release price | 305 $ | 384 $ |
| 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 i7-3820 is 3.4 stars (7 ratings), while Intel Core Ultra 7 265 has received 2.9 stars (113 ratings).
Click on the stars to rate one or both processors.
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Intel Core Ultra 7 265
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