AMD Radeon HD 7420G IGP vs NVIDIA GeForce GT 640
Comparative analysis of AMD Radeon HD 7420G IGP and NVIDIA GeForce GT 640 videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory. 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), 3DMark Fire Strike - Graphics Score.
Differences
Reasons to consider the AMD Radeon HD 7420G IGP
- Around 86% lower typical power consumption: 35 Watt vs 65 Watt
Thermal Design Power (TDP) | 35 Watt vs 65 Watt |
Reasons to consider the NVIDIA GeForce GT 640
- Around 88% higher core clock speed: 902 MHz vs 480 MHz
- A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 32 nm
Core clock speed | 902 MHz vs 480 MHz |
Manufacturing process technology | 28 nm vs 32 nm |
Compare benchmarks
GPU 1: AMD Radeon HD 7420G IGP
GPU 2: NVIDIA GeForce GT 640
Name | AMD Radeon HD 7420G IGP | NVIDIA GeForce GT 640 |
---|---|---|
PassMark - G3D Mark | 1176 | |
PassMark - G2D Mark | 293 | |
Geekbench - OpenCL | 3731 | |
CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 11.448 | |
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 206.777 | |
CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.792 | |
CompuBench 1.5 Desktop - Video Composition (Frames/s) | 14.637 | |
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 20.86 | |
GFXBench 4.0 - Car Chase Offscreen (Frames) | 2134 | |
GFXBench 4.0 - Manhattan (Frames) | 2375 | |
GFXBench 4.0 - T-Rex (Frames) | 3328 | |
GFXBench 4.0 - Car Chase Offscreen (Fps) | 2134 | |
GFXBench 4.0 - Manhattan (Fps) | 2375 | |
GFXBench 4.0 - T-Rex (Fps) | 3328 | |
3DMark Fire Strike - Graphics Score | 1565 |
Compare specifications (specs)
AMD Radeon HD 7420G IGP | NVIDIA GeForce GT 640 | |
---|---|---|
Essentials |
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Architecture | TeraScale 3 | Kepler |
Code name | Scrapper | GK107 |
Launch date | 6 June 2012 | 5 June 2012 |
Place in performance rating | not rated | 1200 |
Type | Desktop | Desktop |
Launch price (MSRP) | $99 | |
Price now | $59.99 | |
Value for money (0-100) | 25.25 | |
Technical info |
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Boost clock speed | 655 MHz | |
Core clock speed | 480 MHz | 902 MHz |
Manufacturing process technology | 32 nm | 28 nm |
Thermal Design Power (TDP) | 35 Watt | 65 Watt |
Transistor count | 1,303 million | 1,270 million |
Floating-point performance | 692.7 gflops | |
Pipelines | 384 | |
Texture fill rate | 28.86 GTexel / s | |
Video outputs and ports |
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Display Connectors | No outputs | 1x DVI, 1x HDMI, 1x DisplayPort |
Compatibility, dimensions and requirements |
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Interface | IGP | PCIe 3.0 x16 |
Length | 145 mm | |
Supplementary power connectors | None | |
API support |
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DirectX | 11.2 (11_0) | 12.0 (11_0) |
OpenGL | 4.4 | 4.6 |
Memory |
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Maximum RAM amount | 2 GB | |
Memory bandwidth | 28.51 GB / s | |
Memory bus width | 128 Bit | |
Memory clock speed | 1782 MHz | |
Memory type | DDR3 |