AMD RX-421BD vs Intel Core i7-6660U

Comparative analysis of AMD RX-421BD and Intel Core i7-6660U processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Graphics API support, Compatibility, Peripherals, Advanced Technologies, Virtualization, Graphics image quality, 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), Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, PassMark - Single thread mark, PassMark - CPU mark.

AMD RX-421BD

Intel Core i7-6660U

Differences

Reasons to consider the AMD RX-421BD

2 more cores, run more applications at once: 4 vs 2
Around 99900% higher clock speed: 3400 MHz vs 3.40 GHz
Around 55% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 3.817 vs 2.455
Around 58% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 4.623 vs 2.931

Specifications (specs)
Number of cores	4 vs 2
Maximum frequency	3400 MHz vs 3.40 GHz
Benchmarks
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	3.817 vs 2.455
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	4.623 vs 2.931

Reasons to consider the Intel Core i7-6660U

A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 28 nm
2.3x lower typical power consumption: 15 Watt vs 35 Watt
4.2x better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 44.681 vs 10.518
Around 48% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.28 vs 0.189
Around 98% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 1.204 vs 0.608

Specifications (specs)
Manufacturing process technology	14 nm vs 28 nm
Thermal Design Power (TDP)	15 Watt vs 35 Watt
Benchmarks
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	44.681 vs 10.518
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.28 vs 0.189
CompuBench 1.5 Desktop - Video Composition (Frames/s)	1.204 vs 0.608

Compare benchmarks

CPU 1: AMD RX-421BD
CPU 2: Intel Core i7-6660U

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

3.817

2.455

CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)

CPU 1

CPU 2

10.518

44.681

CompuBench 1.5 Desktop - T-Rex (Frames/s)

CPU 1

CPU 2

0.189

0.28

CompuBench 1.5 Desktop - Video Composition (Frames/s)

CPU 1

CPU 2

0.608

1.204

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

4.623

2.931

Name	AMD RX-421BD	Intel Core i7-6660U
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	3.817	2.455
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	10.518	44.681
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.189	0.28
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.608	1.204
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	4.623	2.931
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
Geekbench 4 - Single Core		3647
Geekbench 4 - Multi-Core		7130
PassMark - Single thread mark		1938
PassMark - CPU mark		3603

Compare specifications (specs)

	AMD RX-421BD	Intel Core i7-6660U
Essentials
Architecture codename	Merlin Falcon	Skylake
Family	AMD R-Series
Launch date	21 October 2015	Q1'16
Place in performance rating	1721	1675
Processor Number	RX-421BD	i7-6660U
Vertical segment	Embedded	Mobile
Series		6th Generation Intel® Core™ i7 Processors
Status		Launched
Performance
64 bit support
Base frequency	2100 MHz	2.40 GHz
Die size	1073 mm2
L1 cache	320 KB
L2 cache	2 MB
Manufacturing process technology	28 nm	14 nm
Maximum frequency	3400 MHz	3.40 GHz
Number of cores	4	2
Number of threads	4	4
Bus Speed		4 GT/s OPI
Maximum core temperature		100°C
Memory
ECC memory support
Max memory channels	2	2
Maximum memory bandwidth	38.4 GB/s	34.1 GB/s
Supported memory types	DDR3-2133, DDR4-2400	DDR4-2133, LPDDR3-1866, DDR3L-1600
Maximum memory size		32 GB
Graphics
Graphics base frequency	800 MHz	300 MHz
Number of pipelines	512
Processor graphics	Radeon R7 series	Intel® Iris® Graphics 540
Unified Video Decoder (UVD)
Video Codec Engine (VCE)
Device ID		0x1926
eDRAM		64 MB
Graphics max dynamic frequency		1.05 GHz
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Max video memory		32 GB
Graphics interfaces
DisplayPort
DVI
eDP
HDMI
Number of displays supported	3	3
Graphics API support
DirectX	12	12
OpenGL	4.4	4.5
Compatibility
Configurable TDP	12-35 Watt
Package Size	micro-BGA	42x24x1.3
Sockets supported	BGA (FP4)	FCBGA1356
Thermal Design Power (TDP)	35 Watt	15 Watt
Configurable TDP-down		9.5 W
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		12
PCIe configurations		1x4, 2x2, 1x2+2x1 and 4x1
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
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions		Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
Intel 64
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® My WiFi technology
Intel® Smart Response technology
Intel® Stable Image Platform Program (SIPP)
Intel® TSX-NI
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)
Graphics image quality
4K resolution support
Max resolution over DisplayPort		4096x2304@60Hz
Max resolution over eDP		4096x2304@60Hz
Max resolution over HDMI 1.4		4096x2304@24Hz
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Memory Protection Extensions (Intel® MPX)
Intel® OS Guard
Intel® Secure Key technology
Intel® Software Guard Extensions (Intel® SGX)
Intel® Trusted Execution technology (TXT)