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Intel Atom C3338R vs Intel Core Ultra 7 355
Last updated:
Benchmarks
Performance Overview
Average performance across multiple benchmarks
Single-core performance
Multi-core performance
More benchmarks
Specifications
At a glance
|
Wischen
|
Intel Atom C3338R | Intel Core Ultra 7 355 |
|---|---|---|
| Family | Intel Atom (108) | Intel Core Ultra 7 (31) |
| CPU group | Intel Atom C3000 (20) | Intel Core Ultra 300 (6) |
| Architecture | Denverton | Panther Lake |
| Technology | 14 nm | 2 nm |
| Segment | Desktop | Notebook |
| Socket | BGA 1310 | BGA 2540 |
| Predecessor | ||
| Successor |
CPU Cores and Base Frequency
|
Wischen
|
Intel Atom C3338R | Intel Core Ultra 7 355 |
|---|---|---|
| CPU Cores / Threads | 2 / 2 | 8 / 8 |
| Hyperthreading / SMT | ✗ | ✗ |
| Core architecture | normal | hybrid (big.LITTLE) |
| Core Cluster 1: | 2x 1.80 - 2.20 GHz |
4x Cougar Cove 2.30 - 4.70 GHz |
| Core Cluster 2: | 4x Darkmont LP 1.70 - 3.50 GHz |
|
| L2-Cache | 4.00 MB | 10.00 MB |
| L3-Cache | 12.00 MB | |
| Overclocking | ✗ | ✗ |
Integrated graphics (iGPU)
|
Wischen
|
Intel Atom C3338R | Intel Core Ultra 7 355 |
|---|---|---|
| GPU name | no iGPU | Intel Xe3 4 Core Graphics 32 EUs (Panther Lake) |
| GPU frequency | 0.00 - 2.50 GHz | |
| CUs / Shader | / | 32 / 512 |
| Raytracing | ✗ | ✓ |
| Max. displays | 4 | |
| Max. GPU Memory | 128 GB | |
| Technology | 3 nm | |
| Release date | Q1/2026 |
NPU AI performance
|
Wischen
|
Intel Atom C3338R | Intel Core Ultra 7 355 |
|---|---|---|
| AI hardware | Intel® AI Boost | |
| AI specifications | Intel AI Boost NPU 5 @ 49 TOPS | |
| NPU + CPU + iGPU |
Memory & PCIe
|
Wischen
|
Intel Atom C3338R | Intel Core Ultra 7 355 |
|---|---|---|
| Memory | DDR4-1866 (29.9 GB/s) | LPDDR5X-7467 (119.5 GB/s) DDR5-6400 (102.4 GB/s) |
| Max. Memory | 128 GB | 128 GB |
| Memory channels | 1 | 2 |
| ECC | Yes | No |
| PCIe | 3.0 x 10 | 5.0 x 12 |
| PCIe Bandwidth | 9.9 GB/s | 47.3 GB/s |
Thermal Management
|
Wischen
|
Intel Atom C3338R | Intel Core Ultra 7 355 |
|---|---|---|
| TDP | 10.5 W | 25 W |
| TDP (PL2) | ||
| TDP up | 55 W | |
| TDP down | 12 W | |
| T. junction max. | 100 °C | 100 °C |
Technical details
|
Wischen
|
Intel Atom C3338R | Intel Core Ultra 7 355 |
|---|---|---|
| Chip design | Monolithic | Chiplet |
| 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 | SSE4.1, SSE4.2, AVX2 |
| Release date | Q2/2020 | Q1/2026 |
| Release price | 37 $ | |
| 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 Atom C3338R is 5.0 stars (1 ratings), while Intel Core Ultra 7 355 has received 3.5 stars (18 ratings).
Click on the stars to rate one or both processors.
Most popular CPUs in both categories
1
Intel Atom C3338R
2C / 2T · 2.20 GHz
2
Apple M5 Max (18-CPU 32-GPU)
18C / 18T · 4.61 GHz
3
Apple M3 Ultra (28-CPU 60-GPU)
28C / 28T · 4.06 GHz
4
Apple M2 Ultra (76-GPU)
24C / 24T · 3.50 GHz
5
Apple M5 Max (18-CPU 40-GPU)
18C / 18T · 4.61 GHz
6
Apple M3 Ultra (32-CPU 80-GPU)
32C / 32T · 4.06 GHz
7
Apple M1 Ultra (48-GPU)
20C / 20T · 3.20 GHz
8
Apple M5 Pro (15-CPU 16-GPU)
15C / 15T · 4.61 GHz
9
Intel Core Ultra 7 355
8C / 8T · 4.70 GHz
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