AMD Radeon 620 vs NVIDIA GeForce GTX 645 OEM
Comparative analysis of AMD Radeon 620 and NVIDIA GeForce GTX 645 OEM 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: 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 - G2D Mark, PassMark - G3D 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).
Differences
Reasons to consider the AMD Radeon 620
- Videocard is newer: launch date 6 year(s) 0 month(s) later
- 621.5x more texture fill rate: 24.58 GTexel/s vs 39.55 GTexel / s
- Around 30% lower typical power consumption: 50 Watt vs 65 Watt
- 2x more maximum memory size: 2 GB vs 1 GB
- Around 39% better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 1991 vs 1435
- Around 39% better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 1991 vs 1435
| Specifications (specs) | |
| Launch date | 13 May 2019 vs 22 April 2013 |
| Texture fill rate | 24.58 GTexel/s vs 39.55 GTexel / s |
| Thermal Design Power (TDP) | 50 Watt vs 65 Watt |
| Maximum memory size | 2 GB vs 1 GB |
| Benchmarks | |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 1991 vs 1435 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 1991 vs 1435 |
Reasons to consider the NVIDIA GeForce GTX 645 OEM
- Around 13% higher core clock speed: 824 MHz vs 730 MHz
- Around 50% higher pipelines: 576 vs 384
- 4.4x more memory clock speed: 4000 MHz vs 900 MHz (1800 MHz effective)
- 5.1x better performance in GFXBench 4.0 - Manhattan (Frames): 3531 vs 694
- 5.1x better performance in GFXBench 4.0 - Manhattan (Fps): 3531 vs 694
- 3x better performance in GFXBench 4.0 - T-Rex (Frames): 3300 vs 1116
- 3x better performance in GFXBench 4.0 - T-Rex (Fps): 3300 vs 1116
- 2.1x better performance in PassMark - G2D Mark: 429 vs 205
- 2.1x better performance in PassMark - G3D Mark: 1876 vs 897
| Specifications (specs) | |
| Core clock speed | 824 MHz vs 730 MHz |
| Pipelines | 576 vs 384 |
| Memory clock speed | 4000 MHz vs 900 MHz (1800 MHz effective) |
| Benchmarks | |
| GFXBench 4.0 - Manhattan (Frames) | 3531 vs 694 |
| GFXBench 4.0 - Manhattan (Fps) | 3531 vs 694 |
| GFXBench 4.0 - T-Rex (Frames) | 3300 vs 1116 |
| GFXBench 4.0 - T-Rex (Fps) | 3300 vs 1116 |
| PassMark - G2D Mark | 429 vs 205 |
| PassMark - G3D Mark | 1876 vs 897 |
Compare benchmarks
GPU 1: AMD Radeon 620
GPU 2: NVIDIA GeForce GTX 645 OEM
| GFXBench 4.0 - Car Chase Offscreen (Frames) |
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| GFXBench 4.0 - Car Chase Offscreen (Fps) |
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| GFXBench 4.0 - Manhattan (Frames) |
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| GFXBench 4.0 - Manhattan (Fps) |
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| GFXBench 4.0 - T-Rex (Frames) |
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| GFXBench 4.0 - T-Rex (Fps) |
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| PassMark - G2D Mark |
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| PassMark - G3D Mark |
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| Name | AMD Radeon 620 | NVIDIA GeForce GTX 645 OEM |
|---|---|---|
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 1991 | 1435 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 1991 | 1435 |
| GFXBench 4.0 - Manhattan (Frames) | 694 | 3531 |
| GFXBench 4.0 - Manhattan (Fps) | 694 | 3531 |
| GFXBench 4.0 - T-Rex (Frames) | 1116 | 3300 |
| GFXBench 4.0 - T-Rex (Fps) | 1116 | 3300 |
| PassMark - G2D Mark | 205 | 429 |
| PassMark - G3D Mark | 897 | 1876 |
| Geekbench - OpenCL | 5235 | |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 13.806 | |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 546.51 | |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 1.535 | |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 27.524 | |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 38.664 |
Compare specifications (specs)
| AMD Radeon 620 | NVIDIA GeForce GTX 645 OEM | |
|---|---|---|
Essentials |
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| Architecture | GCN 3.0 | Kepler |
| Code name | Polaris 24 | GK106 |
| Launch date | 13 May 2019 | 22 April 2013 |
| Place in performance rating | 1248 | 964 |
| Type | Laptop | Desktop |
Technical info |
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| Boost clock speed | 1024 MHz | |
| Compute units | 6 | |
| Core clock speed | 730 MHz | 824 MHz |
| Manufacturing process technology | 28 nm | 28 nm |
| Peak Double Precision (FP64) Performance | 49.15 GFLOPS (1:16) | |
| Peak Half Precision (FP16) Performance | 786.4 GFLOPS (1:1) | |
| Peak Single Precision (FP32) Performance | 786.4 GFLOPS | |
| Pipelines | 384 | 576 |
| Pixel fill rate | 8.192 GPixel/s | |
| Texture fill rate | 24.58 GTexel/s | 39.55 GTexel / s |
| Thermal Design Power (TDP) | 50 Watt | 65 Watt |
| Transistor count | 1550 million | 2,540 million |
| Floating-point performance | 949.2 gflops | |
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 | PCIe 3.0 x8 | PCIe 3.0 x16 |
| Supplementary power connectors | None | None |
| Width | IGP | |
| Length | 147 mm | |
API support |
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| DirectX | 12 | 12.0 (11_0) |
| OpenCL | 2.0 | |
| OpenGL | 4.6 | 4.6 |
| Shader Model | 6.3 | |
| Vulkan | ||
Memory |
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| Maximum RAM amount | 2 GB | 1 GB |
| Memory bandwidth | 14.40 GB/s | 64 GB / s |
| Memory bus width | 64 bit | 128 Bit |
| Memory clock speed | 900 MHz (1800 MHz effective) | 4000 MHz |
| Memory type | DDR3 | GDDR5 |
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