AMD RX-421BD vs AMD GX-217GI

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CPU comparison with benchmarks


AMD RX-421BD CPU1 vs CPU2 AMD GX-217GI
AMD RX-421BD AMD GX-217GI

CPU comparison

AMD RX-421BD or AMD GX-217GI - 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 GX-217GI has 2 cores with 2 threads and clocks with a maximum frequency of 2.00 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD GX-217GI was released in Q2/2016.
AMD R (6) Family AMD G (38)
AMD RX 1st Gen. (6) CPU group AMD G-Series 3rd Gen (5)
1 Generation 3
Merlin Falcon (Excavator) Architecture Prairie Falcon Excavator+
Mobile Segment Mobile
-- Predecessor --
-- Successor --

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 GX-217GI has 2 CPU cores and 2 threads can calculate simultaneously. The clock frequency of the AMD GX-217GI is at 1.70 GHz (2.00 GHz).
AMD RX-421BD Characteristic AMD GX-217GI
4 Cores 2
4 Threads 2
normal Core architecture normal
No Hyperthreading No
No Overclocking ? No
2.10 GHz Frequency 1.70 GHz
3.40 GHz Turbo Frequency (1 Core) 2.00 GHz
-- Turbo Frequency (All Cores) --

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 GX-217GI
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

The AMD RX-421BD or AMD GX-217GI 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 R6E
0.80 GHz GPU frequency 0.20 GHz
-- GPU (Turbo) 0.76 GHz
3 GPU Generation 0
28 Technology 28 nm
3 Max. displays 2
8 Compute units 6
512 Shader 384
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory --
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 R6E
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 RX-421BD can use up to GB of memory in 2 memory channels. The maximum memory bandwidth is 38.4 GB/s. The AMD GX-217GI supports up to GB of memory in 2 memory channels and achieves a memory bandwidth of up to 25.6 GB/s.
AMD RX-421BD Characteristic AMD GX-217GI
DDR4-2400, DDR3-2133 Memory DDR4-1600, DDR3-1600
Max. Memory
2 (Dual Channel) Memory channels 2 (Dual Channel)
38.4 GB/s Max. Bandwidth 25.6 GB/s
Yes ECC No
2.00 MB L2 Cache 1.00 MB
-- L3 Cache --
3.0 PCIe version 3.0
12 PCIe lanes 8
11.8 GB/s PCIe Bandwidth 7.9 GB/s

Thermal Management

The thermal design power (TDP for short) of the AMD RX-421BD is 35 W, while the AMD GX-217GI has a TDP of 12 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.
AMD RX-421BD Characteristic AMD GX-217GI
35 W TDP (PL1 / PBP) 12 W
-- TDP (PL2) --
-- TDP up 15 W
12 W TDP down --
90 °C Tjunction max. --

Technical details

The AMD RX-421BD is manufactured in 28 nm and has 2.00 MB cache. The AMD GX-217GI is manufactured in 28 nm and has a 1.00 MB cache.
AMD RX-421BD Characteristic AMD GX-217GI
28 nm Technology 28 nm
Unknown Chip design Monolithic
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, AVX, FMA3, FMA4
FP4 Socket FP4
AMD-V, AMD-Vt Virtualization AMD-V
Yes AES-NI Yes
Operating systems Windows 10, Linux
Q4/2015 Release date Q2/2016
-- Release price --
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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 GX-217GI AMD GX-217GI
AMD Radeon R6E @ 0.76 GHz
582 (71%)

Devices using this processor
AMD RX-421BD AMD GX-217GI
Unknown Unknown

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