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AMD RX-421ND vs Intel Core i9-11900KF
Last updated:
Benchmarks
Performance Overview
Average performance across multiple benchmarks
Single-core performance
Multi-core performance
More benchmarks
Cinebench 2026 (ST)
218 entries
218 entries
Cinebench 2026 (MC)
219 entries
219 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
Blender 3.1 Benchmark
213 entries
213 entries
PassMark CPU-Mark
2,504 entries
2,504 entries
CPU-Z Benchmark 17 (MC)
751 entries
751 entries
Monero Hashrate
94 entries
94 entries
V-Ray CPU-Render
251 entries
251 entries
Cinebench R15 (SC)
1,113 entries
1,113 entries
Cinebench R15 (MC)
1,110 entries
1,110 entries
Specifications
At a glance
|
Wischen
|
AMD RX-421ND | Intel Core i9-11900KF |
|---|---|---|
| Family | AMD R (6) | Intel Core i9 (81) |
| CPU group | AMD RX 1st Gen. (6) | Intel Core i 11000 (22) |
| Architecture | Merlin Falcon (Excavator) | Rocket Lake S |
| Technology | 28 nm | 14 nm |
| Segment | Notebook | Desktop |
| Socket | FP4 | LGA 1200 |
| Predecessor | Intel Core i9-10900KF | |
| Successor | Intel Core i9-12900KF |
CPU Cores and Base Frequency
|
Wischen
|
AMD RX-421ND | Intel Core i9-11900KF |
|---|---|---|
| CPU Cores / Threads | 4 / 4 | 8 / 16 |
| Hyperthreading / SMT | ✗ | ✓ |
| Core architecture | normal | normal |
| Cores: | 4x | 8x |
| Frequency: | 2.10 GHz | 3.50 GHz |
| Turbo (1 Core): | 3.40 GHz | 5.30 GHz |
| Turbo (All Cores): | 4.80 GHz | |
| L2-Cache | 2.00 MB | 4.00 MB |
| L3-Cache | 16.00 MB | |
| Overclocking | ✗ | ✓ |
Integrated graphics (iGPU)
|
Wischen
|
AMD RX-421ND | Intel Core i9-11900KF |
|---|---|---|
| GPU name | no iGPU | no iGPU |
| GPU frequency | ||
| CUs / Shader | / | / |
| Raytracing | ✗ | ✗ |
| Max. displays | ||
| Max. GPU Memory | ||
| Technology | ||
| Release date |
NPU AI performance
|
Wischen
|
AMD RX-421ND | Intel Core i9-11900KF |
|---|---|---|
| AI hardware | ||
| AI specifications | ||
| NPU + CPU + iGPU |
Memory & PCIe
|
Wischen
|
AMD RX-421ND | Intel Core i9-11900KF |
|---|---|---|
| Memory | DDR4-2400 (38.4 GB/s) DDR3-2133 (34.2 GB/s) | DDR4-3200 (51.2 GB/s) |
| Max. Memory | 128 GB | |
| Memory channels | 2 | 2 |
| ECC | Yes | No |
| PCIe | 3.0 x 12 | 4.0 x 20 |
| PCIe Bandwidth | 11.8 GB/s | 39.4 GB/s |
Thermal Management
|
Wischen
|
AMD RX-421ND | Intel Core i9-11900KF |
|---|---|---|
| TDP | 35 W | 125 W |
| TDP (PL2) | 251 W @ 56 s | |
| TDP up | ||
| TDP down | 12 W | 95 W |
| T. junction max. | 90 °C | 100 °C |
Technical details
|
Wischen
|
AMD RX-421ND | Intel Core i9-11900KF |
|---|---|---|
| Chip design | Unknown | Monolithic |
| AES-NI | ✓ | ✓ |
| Operating systems | Windows 10, Windows 11, Linux | |
| Instruction set | x86-64 (64 bit) | x86-64 (64 bit) |
| ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 | SSE4.1, SSE4.2, AVX2, AVX-512 |
| Release date | Q4/2015 | Q1/2021 |
| Release price | 513 $ | |
| Documents | Technical data sheet |
User Reviews
Your rating
Here you can rate one or both of the processors. The average rating of AMD RX-421ND is 5.0 stars (1 ratings), while Intel Core i9-11900KF has received 4.4 stars (32 ratings).
Click on the stars to rate one or both processors.
Most popular CPUs in both categories
1
AMD RX-421ND
4C / 4T · 3.40 GHz
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Apple M5 Max (18-CPU 32-GPU)
18C / 18T · 4.61 GHz
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Apple M3 Ultra (28-CPU 60-GPU)
28C / 28T · 4.06 GHz
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Apple M2 Ultra (76-GPU)
24C / 24T · 3.50 GHz
5
Apple M5 Max (18-CPU 40-GPU)
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Apple M3 Ultra (32-CPU 80-GPU)
32C / 32T · 4.06 GHz
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Apple M5 Pro (15-CPU 16-GPU)
15C / 15T · 4.61 GHz
8
Apple M1 Ultra (48-GPU)
20C / 20T · 3.20 GHz
9
Intel Core i9-11900KF
8C / 16T · 5.30 GHz
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