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Intel Pentium G3258 vs Intel Core Ultra 7 255U
Last updated:
Benchmarks
Performance Overview
Average performance across multiple benchmarks
Single-core performance
Multi-core performance
Geekbench 6 Single-Core
Single-core performance
Intel Pentium G3258
28 %
2C / 2T · 3.20 GHz
Intel Core Ultra 7 255U
100 %
12C / 14T · 5.20 GHz
Geekbench 6 Multi-Core
Multi-core performance
Intel Pentium G3258
17 %
2C / 2T · 3.20 GHz
Intel Core Ultra 7 255U
100 %
12C / 14T · 2.00 GHz
iGPU - FP32 Performance (Single-precision GFLOPS)
Intel HD Graphics (Haswell GT1)
Intel Core Ultra 7 255U
100 %
Intel Iris Xe 4 Core Graphics 64 EUs (Meteor Lake)
More benchmarks
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 (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
Cinebench R11.5 iGPU
383 entries
383 entries
AI performance (NPU)
218 entries
218 entries
Specifications
At a glance
|
Wischen
|
Intel Pentium G3258 | Intel Core Ultra 7 255U |
|---|---|---|
| Family | Intel Pentium (150) | Intel Core Ultra 7 (31) |
| CPU group | Intel Pentium G3000 (14) | Intel Core Ultra 200U (4) |
| Architecture | Haswell S | Meteor Lake U Refresh |
| Technology | 14 nm | 3 nm |
| Segment | Desktop | Notebook |
| Socket | LGA 1150 | BGA 2049 |
| Predecessor | Intel Core Ultra 7 155U | |
| Successor |
CPU Cores and Base Frequency
|
Wischen
|
Intel Pentium G3258 | Intel Core Ultra 7 255U |
|---|---|---|
| CPU Cores / Threads | 2 / 2 | 12 / 14 |
| Hyperthreading / SMT | ✗ | ✓ |
| Core architecture | normal | hybrid (big.LITTLE) |
| Core Cluster 1: | 2x 3.20 GHz |
2x Redwood Cove 2.00 - 5.20 GHz |
| Core Cluster 2: | 8x Crestmont 1.70 - 4.20 GHz |
|
| Core Cluster 3: | 2x Crestmont 0.70 - 2.40 GHz |
|
| L2-Cache | 12.00 MB | |
| L3-Cache | 3.00 MB | |
| Overclocking | ✓ | ✗ |
Integrated graphics (iGPU)
|
Wischen
|
Intel Pentium G3258 | Intel Core Ultra 7 255U |
|---|---|---|
| GPU name | Intel HD Graphics (Haswell GT1) | Intel Iris Xe 4 Core Graphics 64 EUs (Meteor Lake) |
| GPU frequency | 0.35 - 1.15 GHz | 0.60 - 2.10 GHz |
| CUs / Shader | 10 / 80 | 64 / 512 |
| Raytracing | ✗ | ✓ |
| Max. displays | 3 | 4 |
| Max. GPU Memory | 2 GB | 32 GB |
| Technology | 22 nm | 5 nm |
| Release date | Q4/2012 | Q4/2023 |
NPU AI performance
|
Wischen
|
Intel Pentium G3258 | Intel Core Ultra 7 255U |
|---|---|---|
| AI hardware | Intel® AI Boost | |
| AI specifications | Intel AI Boost @ 1.4 GHz (OpenVINO, WindowsML, DirectML, ONNX RT) | |
| NPU + CPU + iGPU |
Memory & PCIe
|
Wischen
|
Intel Pentium G3258 | Intel Core Ultra 7 255U |
|---|---|---|
| Memory | DDR3-1600 (25.6 GB/s) | LPDDR5X-8400 (134.4 GB/s) DDR5-6400 (102.4 GB/s) |
| Max. Memory | 32 GB | 128 GB |
| Memory channels | 2 | 2 |
| ECC | Yes | No |
| PCIe | 3.0 x 16 | 4.0 x 20 |
| PCIe Bandwidth | 15.8 GB/s | 39.4 GB/s |
Thermal Management
|
Wischen
|
Intel Pentium G3258 | Intel Core Ultra 7 255U |
|---|---|---|
| TDP | 53 W | 15 W |
| TDP (PL2) | 57 W | |
| TDP up | ||
| TDP down | 12 W | |
| T. junction max. | 105 °C |
Technical details
|
Wischen
|
Intel Pentium G3258 | Intel Core Ultra 7 255U |
|---|---|---|
| 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 | Q2/2014 | Q1/2025 |
| Release price | 65 $ | |
| 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 Pentium G3258 is 4.3 stars (7 ratings), while Intel Core Ultra 7 255U has received 2.4 stars (90 ratings).
Click on the stars to rate one or both processors.
Most popular CPUs in both categories
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Apple M3 Ultra (28-CPU 60-GPU)
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24C / 24T · 3.50 GHz
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Apple M1 Ultra (48-GPU)
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Intel Pentium G3258
2C / 2T · 0.00 GHz
9
Intel Core Ultra 7 255U
12C / 14T · 5.20 GHz
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