AMD Radeon Sky 900 vs NVIDIA GeForce GT 620
Comparative analysis of AMD Radeon Sky 900 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: GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps), 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 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps).
Differences
Reasons to consider the AMD Radeon Sky 900
- Videocard is newer: launch date 10 month(s) later
- Around 18% higher core clock speed: 825 MHz vs 700 MHz
- 188.1x more texture fill rate: 2x 106.4 GTexel / s billion / sec vs 11.2 billion / sec
- 37.3x more pipelines: 3584 vs 96
- 25.3x better floating-point performance: 2x 3,405 gflops vs 268.8 gflops
- A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 40 nm
- 6x more maximum memory size: 6 GB vs 1 GB
- 5000x more memory clock speed: 5000 MHz vs 1.8 GB/s
| Launch date | 27 March 2013 vs 15 May 2012 |
| Core clock speed | 825 MHz vs 700 MHz |
| Texture fill rate | 2x 106.4 GTexel / s billion / sec vs 11.2 billion / sec |
| Pipelines | 3584 vs 96 |
| Floating-point performance | 2x 3,405 gflops vs 268.8 gflops |
| Manufacturing process technology | 28 nm vs 40 nm |
| Maximum memory size | 6 GB vs 1 GB |
| Memory clock speed | 5000 MHz vs 1.8 GB/s |
Reasons to consider the NVIDIA GeForce GT 620
- 6.1x lower typical power consumption: 49 Watt vs 300 Watt
- Around 2% better performance in GFXBench 4.0 - T-Rex (Frames): 1683 vs 1654
- Around 2% better performance in GFXBench 4.0 - T-Rex (Fps): 1683 vs 1654
| Specifications (specs) | |
| Thermal Design Power (TDP) | 49 Watt vs 300 Watt |
| Benchmarks | |
| GFXBench 4.0 - T-Rex (Frames) | 1683 vs 1654 |
| GFXBench 4.0 - T-Rex (Fps) | 1683 vs 1654 |
Compare benchmarks
GPU 1: AMD Radeon Sky 900
GPU 2: NVIDIA GeForce GT 620
| GFXBench 4.0 - T-Rex (Frames) |
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| GFXBench 4.0 - T-Rex (Fps) |
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| Name | AMD Radeon Sky 900 | NVIDIA GeForce GT 620 |
|---|---|---|
| GFXBench 4.0 - T-Rex (Frames) | 1654 | 1683 |
| GFXBench 4.0 - T-Rex (Fps) | 1654 | 1683 |
| PassMark - G3D Mark | 376 | |
| PassMark - G2D Mark | 158 | |
| Geekbench - OpenCL | 1555 | |
| 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 - Car Chase Offscreen (Fps) | 614 | |
| GFXBench 4.0 - Manhattan (Fps) | 1162 |
Compare specifications (specs)
| AMD Radeon Sky 900 | NVIDIA GeForce GT 620 | |
|---|---|---|
Essentials |
||
| Architecture | GCN 1.0 | Fermi |
| Code name | Tahiti | GF108 |
| Launch date | 27 March 2013 | 15 May 2012 |
| Place in performance rating | 1549 | 1550 |
| Type | Desktop | Desktop |
| Launch price (MSRP) | $39.99 | |
| Price now | $39.99 | |
| Value for money (0-100) | 13.32 | |
Technical info |
||
| Boost clock speed | 950 MHz | |
| Core clock speed | 825 MHz | 700 MHz |
| Floating-point performance | 2x 3,405 gflops | 268.8 gflops |
| Manufacturing process technology | 28 nm | 40 nm |
| Pipelines | 3584 | 96 |
| Texture fill rate | 2x 106.4 GTexel / s billion / sec | 11.2 billion / sec |
| Thermal Design Power (TDP) | 300 Watt | 49 Watt |
| Transistor count | 4,313 million | 585 million |
| CUDA cores | 96 | |
| Maximum GPU temperature | 98 °C | |
Video outputs and ports |
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| Display Connectors | 1x DVI, 1x mini-DisplayPort | 1x DVI, 1x HDMI, 1x VGA, Dual Link DVI-I, HDMI, VGA |
| Dual-link DVI support | ||
| Audio input for HDMI | Internal | |
| HDCP | ||
| HDMI | ||
| Maximum VGA resolution | 2048x1536 | |
| Multi monitor support | ||
Compatibility, dimensions and requirements |
||
| Bus support | PCIe 3.0 | PCI Express 2.0 |
| Form factor | Full Height / Full Length | |
| Interface | PCIe 3.0 x16 | PCIe 2.0 x16 |
| Length | 305 mm | 5.7" (14.5 cm) |
| Supplementary power connectors | 2x 8-pin | None |
| Height | 2.7" (6.9 cm) | |
API support |
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| DirectX | 12.0 (11_1) | 12.0 (11_0) |
| OpenGL | 4.5 | 4.2 |
Memory |
||
| Maximum RAM amount | 6 GB | 1 GB |
| Memory bandwidth | 480 GB / s | 14.4 GB / s |
| Memory bus width | 2x 384 Bit | 64 Bit |
| Memory clock speed | 5000 MHz | 1.8 GB/s |
| Memory type | GDDR5 | DDR3 |
Technologies |
||
| 3D Blu-Ray | ||
| CUDA | ||
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