AMD Opteron X3421 vs Intel Atom C3308

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CPU comparison with benchmarks


AMD Opteron X3421 CPU1 vs CPU2 Intel Atom C3308
AMD Opteron X3421 Intel Atom C3308

CPU comparison

AMD Opteron X3421 or Intel Atom C3308 - 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 Opteron X3421 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 Opteron X3421 was released in Q2/2015.

The Intel Atom C3308 has 2 cores with 2 threads and clocks with a maximum frequency of 2.10 GHz. The CPU supports up to 128 GB of memory in 1 memory channels. The Intel Atom C3308 was released in Q3/2017.
AMD Opteron (4) Family Intel Atom (108)
AMD Opteron X3000 (3) CPU group Intel Atom C3000 (20)
0 Generation 5
Toronto (Excavator) Architecture Denverton
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD Opteron X3421 is a 4 core processor with a clock frequency of 2.10 GHz (3.40 GHz). The Intel Atom C3308 has 2 CPU cores with a clock frequency of 1.60 GHz (2.10 GHz).
AMD Opteron X3421 Characteristic Intel Atom C3308
4 Cores 2
4 Threads 2
normal Core architecture normal
No Hyperthreading No
No Overclocking ? No
2.10 GHz Frequency 1.60 GHz
3.40 GHz Turbo Frequency (1 Core) 2.10 GHz
-- Turbo Frequency (All Cores) 2.10 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 Opteron X3421 Characteristic Intel Atom C3308
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.
AMD Radeon R7 - 512 (Toronto) GPU no iGPU
0.80 GHz GPU frequency --
-- GPU (Turbo) --
0 GPU Generation --
Technology
3 Max. displays
8 Compute units --
512 Shader --
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory --
12 DirectX Version --

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 (Toronto) GPU no iGPU
Decode Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 No
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC No
No Codec VC-1 No
Decode Codec JPEG No

Memory & PCIe

The AMD Opteron X3421 supports a maximum of GB of memory in 2 memory channels. The Intel Atom C3308 can connect up to 128 GB of memory in 1 memory channels.
AMD Opteron X3421 Characteristic Intel Atom C3308
DDR4-2400 Memory DDR4-1866
Max. Memory 128 GB
2 (Dual Channel) Memory channels 1 (Single Channel)
38.4 GB/s Max. Bandwidth 29.9 GB/s
Yes ECC Yes
2.00 MB L2 Cache 4.00 MB
-- L3 Cache --
3.0 PCIe version 3.0
8 PCIe lanes 6
7.9 GB/s PCIe Bandwidth 5.9 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Opteron X3421 has a TDP of 15 W, that of the Intel Atom C3308 is 9.5 W.
AMD Opteron X3421 Characteristic Intel Atom C3308
15 W TDP (PL1 / PBP) 9.5 W
-- TDP (PL2) --
35 W TDP up --
12 W TDP down --
-- Tjunction max. 100 °C

Technical details

The AMD Opteron X3421 has a 2.00 MB cache, while the Intel Atom C3308 cache has a total of 4.00 MB.
AMD Opteron X3421 Characteristic Intel Atom C3308
28 nm Technology 14 nm
Unknown Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2
FP4 Socket BGA 1310
AMD-V, AMD-Vt Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Linux
Q2/2015 Release date Q3/2017
-- Release price 41 $
show more data show more data


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Here you can rate the AMD Opteron X3421 to help other visitors make their purchasing decisions. The average rating is 5.0 stars (1 ratings). Rate now:
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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 Opteron X3421 AMD Opteron X3421
AMD Radeon R7 - 512 (Toronto) @ 0.80 GHz
820 (100%)
Intel Atom C3308 Intel Atom C3308
@ 0.00 GHz
0 (0%)

Devices using this processor
AMD Opteron X3421 Intel Atom C3308
Unknown Unknown

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