AMD RX-421BD vs AMD Ryzen 3 3250C

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CPU comparison with benchmarks


AMD RX-421BD CPU1 vs CPU2 AMD Ryzen 3 3250C
AMD RX-421BD AMD Ryzen 3 3250C

CPU comparison

AMD RX-421BD or AMD Ryzen 3 3250C - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The AMD RX-421BD has 4 cores with 4 threads and clocks with a maximum frequency of 3.40 GHz. Up to GB of memory is supported in 2 memory channels. The AMD RX-421BD was released in Q4/2015.

The AMD Ryzen 3 3250C has 2 cores with 4 threads and clocks with a maximum frequency of 3.50 GHz. The CPU supports up to 32 GB of memory in 2 memory channels. The AMD Ryzen 3 3250C was released in Q3/2020.
AMD R (6) Family AMD Ryzen 3 (33)
AMD RX 1st Gen. (6) CPU group AMD Ryzen 3000C (3)
1 Generation 3
Merlin Falcon (Excavator) Architecture Picasso (Zen+)
Mobile Segment Mobile
-- Predecessor --
-- Successor AMD Ryzen 3 5425C

CPU Cores and Base Frequency

The AMD RX-421BD has 4 CPU cores and can calculate 4 threads in parallel. The clock frequency of the AMD RX-421BD is 2.10 GHz (3.40 GHz) while the AMD Ryzen 3 3250C has 2 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the AMD Ryzen 3 3250C is at 2.60 GHz (3.50 GHz).

AMD RX-421BD Characteristic AMD Ryzen 3 3250C
4 Cores 2
4 Threads 4
normal Core architecture normal
No Hyperthreading Yes
No Overclocking ? No
2.10 GHz Frequency 2.60 GHz
3.40 GHz Turbo Frequency (1 Core) 3.50 GHz
-- Turbo Frequency (All Cores) 2.80 GHz

NPU AI performance

The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.

AMD RX-421BD Characteristic AMD Ryzen 3 3250C
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

The AMD RX-421BD or AMD Ryzen 3 3250C has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.

AMD Radeon R7 - 512 (Merlin Falcon) GPU AMD Radeon RX Vega 3 (Raven Ridge)
0.80 GHz GPU frequency 1.20 GHz
-- GPU (Turbo) --
3 GPU Generation 8
28 Technology 14 nm
3 Max. displays 3
8 Compute units 3
512 Shader 192
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory 2 GB
12 DirectX Version 12

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.

AMD Radeon R7 - 512 (Merlin Falcon) GPU AMD Radeon RX Vega 3 (Raven Ridge)
Decode Codec h265 / HEVC (8 bit) Decode / Encode
No Codec h265 / HEVC (10 bit) Decode / Encode
Decode / Encode Codec h264 Decode / Encode
No Codec VP9 Decode / Encode
No Codec VP8 Decode / Encode
No Codec AV1 No
No Codec AVC Decode / Encode
No Codec VC-1 Decode
Decode Codec JPEG Decode / Encode

Memory & PCIe

The AMD RX-421BD can use up to GB of memory in 2 memory channels. The maximum memory bandwidth is 38.4 GB/s. The AMD Ryzen 3 3250C supports up to 32 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 38.4 GB/s.

AMD RX-421BD Characteristic AMD Ryzen 3 3250C
DDR4-2400, DDR3-2133 Memory DDR4-2400
Max. Memory 32 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
38.4 GB/s Max. Bandwidth 38.4 GB/s
Yes ECC Yes
2.00 MB L2 Cache 1.00 MB
-- L3 Cache 4.00 MB
3.0 PCIe version 3.0
12 PCIe lanes 20
11.8 GB/s PCIe Bandwidth 19.7 GB/s

Thermal Management

The thermal design power (TDP for short) of the AMD RX-421BD is 35 W, while the AMD Ryzen 3 3250C has a TDP of 15 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

AMD RX-421BD Characteristic AMD Ryzen 3 3250C
35 W TDP (PL1 / PBP) 15 W
-- TDP (PL2) --
-- TDP up 25 W
12 W TDP down 12 W
90 °C Tjunction max. 105 °C

Technical details

The AMD RX-421BD is manufactured in 28 nm and has 2.00 MB cache. The AMD Ryzen 3 3250C is manufactured in 12 nm and has a 5.00 MB cache.

AMD RX-421BD Characteristic AMD Ryzen 3 3250C
28 nm Technology 12 nm
Unknown Chip design Chiplet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 ISA extensions SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
FP4 Socket FP5
AMD-V, AMD-Vt Virtualization AMD-V, SVM
Yes AES-NI Yes
Operating systems Windows 10, Windows 11, Linux
Q4/2015 Release date Q3/2020
-- Release price --
show more data show more data


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iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
AMD RX-421BD AMD RX-421BD
AMD Radeon R7 - 512 (Merlin Falcon) @ 0.80 GHz
820 (100%)
AMD Ryzen 3 3250C AMD Ryzen 3 3250C
AMD Radeon RX Vega 3 (Raven Ridge) @ 1.20 GHz
461 (56%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD RX-421BD AMD RX-421BD
4C 4T @ 3.40 GHz
0 (0%)
AMD Ryzen 3 3250C AMD Ryzen 3 3250C
2C 4T @ 3.50 GHz
771 (100%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD RX-421BD AMD RX-421BD
4C 4T @ 2.10 GHz
0 (0%)
AMD Ryzen 3 3250C AMD Ryzen 3 3250C
2C 4T @ 2.80 GHz
1586 (100%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
AMD RX-421BD AMD RX-421BD
4C 4T @ 3.40 GHz
0 (0%)
AMD Ryzen 3 3250C AMD Ryzen 3 3250C
2C 4T @ 3.50 GHz
957 (100%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
AMD RX-421BD AMD RX-421BD
4C 4T @ 2.10 GHz
0 (0%)
AMD Ryzen 3 3250C AMD Ryzen 3 3250C
2C 4T @ 2.80 GHz
1449 (100%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
AMD RX-421BD AMD RX-421BD
4C 4T @ 2.10 GHz
0 (0%)
AMD Ryzen 3 3250C AMD Ryzen 3 3250C
2C 4T @ 2.80 GHz
3212 (100%)

Devices using this processor

AMD RX-421BD AMD Ryzen 3 3250C
Unknown Unknown

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