AMD RX-421BD vs Intel Core i7-3840QM

Comparative analysis of AMD RX-421BD and Intel Core i7-3840QM processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Graphics API support, Compatibility, Peripherals, Advanced Technologies, Virtualization, Security & Reliability. Benchmark processor performance analysis: CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps), PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

AMD RX-421BD

Intel Core i7-3840QM

Differences

Reasons to consider the AMD RX-421BD

CPU is newer: launch date 3 year(s) 0 month(s) later
Around 89374% higher clock speed: 3400 MHz vs 3.80 GHz
Around 25% more L1 cache; more data can be stored in the L1 cache for quick access later
2x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 29% lower typical power consumption: 35 Watt vs 45 Watt

Launch date	21 October 2015 vs 30 September 2012
Maximum frequency	3400 MHz vs 3.80 GHz
L1 cache	320 KB vs 256 KB
L2 cache	2 MB vs 1024 KB
Thermal Design Power (TDP)	35 Watt vs 45 Watt

Reasons to consider the Intel Core i7-3840QM

4 more threads: 8 vs 4
A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 28 nm

Number of threads	8 vs 4
Manufacturing process technology	22 nm vs 28 nm

Compare benchmarks

CPU 1: AMD RX-421BD
CPU 2: Intel Core i7-3840QM

Name	AMD RX-421BD	Intel Core i7-3840QM
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	3.817
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	10.518
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.189
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.608
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	4.623
GFXBench 4.0 - Car Chase Offscreen (Frames)	8
GFXBench 4.0 - Manhattan (Frames)	1942
GFXBench 4.0 - T-Rex (Frames)	7025
GFXBench 4.0 - Car Chase Offscreen (Fps)	8
GFXBench 4.0 - Manhattan (Fps)	1942
GFXBench 4.0 - T-Rex (Fps)	7025
PassMark - Single thread mark		1931
PassMark - CPU mark		5905
Geekbench 4 - Single Core		752
Geekbench 4 - Multi-Core		2887

Compare specifications (specs)

	AMD RX-421BD	Intel Core i7-3840QM
Essentials
Architecture codename	Merlin Falcon	Ivy Bridge
Family	AMD R-Series
Launch date	21 October 2015	30 September 2012
Place in performance rating	1721	1694
Processor Number	RX-421BD	i7-3840QM
Vertical segment	Embedded	Mobile
Launch price (MSRP)		$568
Price now		$335
Series		Legacy Intel® Core™ Processors
Status		Launched
Value for money (0-100)		7.72
Performance
64 bit support
Base frequency	2100 MHz	2.80 GHz
Die size	1073 mm2	160 mm
L1 cache	320 KB	256 KB
L2 cache	2 MB	1024 KB
Manufacturing process technology	28 nm	22 nm
Maximum frequency	3400 MHz	3.80 GHz
Number of cores	4	4
Number of threads	4	8
Bus Speed		5 GT/s DMI
L3 cache		8192 KB
Maximum core temperature		105 °C
Transistor count		1400 Million
Memory
ECC memory support
Max memory channels	2	2
Maximum memory bandwidth	38.4 GB/s	25.6 GB/s
Supported memory types	DDR3-2133, DDR4-2400	DDR3/L/-RS 1333/1600
Maximum memory size		32 GB
Graphics
Graphics base frequency	800 MHz	650 MHz
Number of pipelines	512
Processor graphics	Radeon R7 series	Intel® HD Graphics 4000
Unified Video Decoder (UVD)
Video Codec Engine (VCE)
Device ID		0x166
Graphics max dynamic frequency		1.30 GHz
Graphics max frequency		1.3 GHz
Intel® Clear Video HD technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Graphics interfaces
DisplayPort
DVI
eDP
HDMI
Number of displays supported	3	3
CRT
SDVO
Wireless Display (WiDi) support
Graphics API support
DirectX	12
OpenGL	4.4
Compatibility
Configurable TDP	12-35 Watt
Package Size	micro-BGA	37.5 x 37.5mm (rPGA988B); 31.0 x 24.0mm (BGA1224)
Sockets supported	BGA (FP4)	FCPGA988
Thermal Design Power (TDP)	35 Watt	45 Watt
Low Halogen Options Available
Max number of CPUs in a configuration		1
Peripherals
PCI Express revision	3.0	3.0
UART
USB revision	3.0
Max number of PCIe lanes		16
PCIe configurations		1x16, 2x8, 1x8 2x4
Advanced Technologies
Enhanced Virus Protection (EVP)
Fused Multiply-Add 3 (FMA3)
Fused Multiply-Add 4 (FMA4)
Intel® Advanced Vector Extensions (AVX)
Intel® Advanced Vector Extensions 2 (AVX2)
Intel® AES New Instructions
4G WiMAX Wireless
Enhanced Intel SpeedStep® technology
Flexible Display interface (FDI)
Idle States
Instruction set extensions		Intel® AVX
Intel 64
Intel® Demand Based Switching
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® My WiFi technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Virtualization
AMD Virtualization (AMD-V™)
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)
Security & Reliability
Anti-Theft technology
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)