AMD GX-420CA vs Intel Core i7-840QM

Comparative analysis of AMD GX-420CA and Intel Core i7-840QM 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: GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps), PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

 

Differences

Reasons to consider the AMD GX-420CA

  • CPU is newer: launch date 2 year(s) 10 month(s) later
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 28 nm vs 45 nm
  • 2x more L2 cache, more data can be stored in the L2 cache for quick access later
  • Around 80% lower typical power consumption: 25 Watt vs 45 Watt
Launch date 23 April 2013 vs 1 June 2010
Manufacturing process technology 28 nm vs 45 nm
L2 cache 2 MB vs 1 MB
Thermal Design Power (TDP) 25 Watt vs 45 Watt

Reasons to consider the Intel Core i7-840QM

  • 4 more threads: 8 vs 4
  • Around 11% higher maximum core temperature: 100°C vs 90 °C
Number of threads 8 vs 4
Maximum core temperature 100°C vs 90 °C

Compare benchmarks

CPU 1: AMD GX-420CA
CPU 2: Intel Core i7-840QM

Name AMD GX-420CA Intel Core i7-840QM
GFXBench 4.0 - Car Chase Offscreen (Frames) 496
GFXBench 4.0 - Car Chase Offscreen (Fps) 496
GFXBench 4.0 - Manhattan (Frames) 868
GFXBench 4.0 - Manhattan (Fps) 868
GFXBench 4.0 - T-Rex (Frames) 773
GFXBench 4.0 - T-Rex (Fps) 773
PassMark - Single thread mark 1138
PassMark - CPU mark 1952
Geekbench 4 - Single Core 398
Geekbench 4 - Multi-Core 1289

Compare specifications (specs)

AMD GX-420CA Intel Core i7-840QM

Essentials

Architecture codename eKabini Clarksfield
Family AMD G-Series
Launch date 23 April 2013 1 June 2010
Place in performance rating 2630 2502
Processor Number GX-420CA i7-840QM
Vertical segment Embedded Mobile
Launch price (MSRP) $568
Price now $289.97
Series Legacy Intel® Core™ Processors
Status Discontinued
Value for money (0-100) 3.46

Performance

64 bit support
Base frequency 2000 MHz 1.86 GHz
L1 cache 256 KB 256 KB
L2 cache 2 MB 1 MB
Manufacturing process technology 28 nm 45 nm
Maximum core temperature 90 °C 100°C
Number of cores 4 4
Number of threads 4 8
Bus Speed 2.5 GT/s DMI
Die size 296 mm2
Front-side bus (FSB) 2500 MHz
L3 cache 8 MB
Maximum frequency 3.20 GHz
Transistor count 774 million

Memory

ECC memory support
Max memory channels 2 2
Supported memory types DDR3-1600 DDR3 1066/1333
Maximum memory bandwidth 21 GB/s
Maximum memory size 8 GB

Graphics

Graphics base frequency 600 MHz
Processor graphics Radeon HD 8400E

Graphics interfaces

Number of displays supported 2

Graphics API support

DirectX 11.1
OpenGL 4.2

Compatibility

Sockets supported BGA769 (FT3) PGA988
Thermal Design Power (TDP) 25 Watt 45 Watt
Low Halogen Options Available
Max number of CPUs in a configuration 1
Package Size 37.5mm x 37.5mm

Peripherals

PCI Express revision 3.0 2
Max number of PCIe lanes 16
PCIe configurations 1x16, 2x8

Advanced Technologies

Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions Intel® SSE4.2
Intel 64
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Physical Address Extensions (PAE) 36-bit
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

Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)