AMD Radeon HD 7640G IGP vs NVIDIA GeForce GT 620

Comparative analysis of AMD Radeon HD 7640G IGP and NVIDIA GeForce GT 620 videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory, Technologies. Benchmark videocards performance analysis: PassMark - G3D Mark, PassMark - G2D Mark, Geekbench - OpenCL, 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).

 

Differences

Reasons to consider the AMD Radeon HD 7640G IGP

  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 32 nm vs 40 nm
  • Around 40% lower typical power consumption: 35 Watt vs 49 Watt
Manufacturing process technology 32 nm vs 40 nm
Thermal Design Power (TDP) 35 Watt vs 49 Watt

Reasons to consider the NVIDIA GeForce GT 620

  • Around 41% higher core clock speed: 700 MHz vs 496 MHz
Core clock speed 700 MHz vs 496 MHz

Compare benchmarks

GPU 1: AMD Radeon HD 7640G IGP
GPU 2: NVIDIA GeForce GT 620

Name AMD Radeon HD 7640G IGP NVIDIA GeForce GT 620
PassMark - G3D Mark 377
PassMark - G2D Mark 159
Geekbench - OpenCL 1532
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 4.046
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 83.907
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.371
CompuBench 1.5 Desktop - Video Composition (Frames/s) 6.791
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 17.41
GFXBench 4.0 - Car Chase Offscreen (Frames) 614
GFXBench 4.0 - Manhattan (Frames) 1162
GFXBench 4.0 - T-Rex (Frames) 1683
GFXBench 4.0 - Car Chase Offscreen (Fps) 614
GFXBench 4.0 - Manhattan (Fps) 1162
GFXBench 4.0 - T-Rex (Fps) 1683

Compare specifications (specs)

AMD Radeon HD 7640G IGP NVIDIA GeForce GT 620

Essentials

Architecture TeraScale 3 Fermi
Code name Devastator GF108
Launch date 15 May 2012 15 May 2012
Place in performance rating not rated 1551
Type Desktop Desktop
Launch price (MSRP) $39.99
Price now $39.99
Value for money (0-100) 13.32

Technical info

Boost clock speed 685 MHz
Core clock speed 496 MHz 700 MHz
Manufacturing process technology 32 nm 40 nm
Thermal Design Power (TDP) 35 Watt 49 Watt
Transistor count 1,303 million 585 million
CUDA cores 96
Floating-point performance 268.8 gflops
Maximum GPU temperature 98 °C
Pipelines 96
Texture fill rate 11.2 billion / sec

Video outputs and ports

Display Connectors No outputs 1x DVI, 1x HDMI, 1x VGA, Dual Link DVI-I, HDMI, VGA
Audio input for HDMI Internal
HDCP
HDMI
Maximum VGA resolution 2048x1536
Multi monitor support

Compatibility, dimensions and requirements

Interface IGP PCIe 2.0 x16
Bus support PCI Express 2.0
Height 2.7" (6.9 cm)
Length 5.7" (14.5 cm)
Supplementary power connectors None

API support

DirectX 11.2 (11_0) 12.0 (11_0)
OpenGL 4.4 4.2

Memory

Maximum RAM amount 1 GB
Memory bandwidth 14.4 GB / s
Memory bus width 64 Bit
Memory clock speed 1.8 GB/s
Memory type DDR3

Technologies

3D Blu-Ray
CUDA

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