NVIDIA GeForce GT 645 OEM vs AMD Radeon HD 6650A
Comparative analysis of NVIDIA GeForce GT 645 OEM and AMD Radeon HD 6650A 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 - G2D Mark, PassMark - G3D Mark, GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).
Differences
Reasons to consider the NVIDIA GeForce GT 645 OEM
- Videocard is newer: launch date 1 year(s) 0 month(s) later
- Around 29% higher core clock speed: 776 MHz vs 600 MHz
- 2.6x more texture fill rate: 37.2 GTexel / s vs 14.4 GTexel / s
- Around 55% better floating-point performance: 894.0 gflops vs 576.0 gflops
- 2.1x more memory clock speed: 3828 MHz vs 1800 MHz
- Around 6% better performance in PassMark - G2D Mark: 443 vs 418
- 2.4x better performance in PassMark - G3D Mark: 2006 vs 836
Specifications (specs) | |
Launch date | 24 April 2012 vs 19 April 2011 |
Core clock speed | 776 MHz vs 600 MHz |
Texture fill rate | 37.2 GTexel / s vs 14.4 GTexel / s |
Floating-point performance | 894.0 gflops vs 576.0 gflops |
Memory clock speed | 3828 MHz vs 1800 MHz |
Benchmarks | |
PassMark - G2D Mark | 443 vs 418 |
PassMark - G3D Mark | 2006 vs 836 |
Reasons to consider the AMD Radeon HD 6650A
- Around 67% higher pipelines: 480 vs 288
- 2.3x lower typical power consumption: 45 Watt vs 102 Watt
Pipelines | 480 vs 288 |
Thermal Design Power (TDP) | 45 Watt vs 102 Watt |
Compare benchmarks
GPU 1: NVIDIA GeForce GT 645 OEM
GPU 2: AMD Radeon HD 6650A
PassMark - G2D Mark |
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PassMark - G3D Mark |
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Name | NVIDIA GeForce GT 645 OEM | AMD Radeon HD 6650A |
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PassMark - G2D Mark | 443 | 418 |
PassMark - G3D Mark | 2006 | 836 |
GFXBench 4.0 - T-Rex (Frames) | 1914 | |
GFXBench 4.0 - T-Rex (Fps) | 1914 |
Compare specifications (specs)
NVIDIA GeForce GT 645 OEM | AMD Radeon HD 6650A | |
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Essentials |
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Architecture | Fermi 2.0 | TeraScale 2 |
Code name | GF114 | Onega |
Launch date | 24 April 2012 | 19 April 2011 |
Place in performance rating | 557 | 348 |
Type | Desktop | Desktop |
Technical info |
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Core clock speed | 776 MHz | 600 MHz |
Floating-point performance | 894.0 gflops | 576.0 gflops |
Manufacturing process technology | 40 nm | 40 nm |
Pipelines | 288 | 480 |
Texture fill rate | 37.2 GTexel / s | 14.4 GTexel / s |
Thermal Design Power (TDP) | 102 Watt | 45 Watt |
Transistor count | 1,950 million | 716 million |
Video outputs and ports |
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Display Connectors | 2x DVI, 1x mini-HDMI | No outputs |
Compatibility, dimensions and requirements |
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Interface | PCIe 2.0 x16 | MXM-A (3.0) |
Length | 210 mm | |
API support |
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DirectX | 12.0 (11_0) | 11.2 (11_0) |
OpenGL | 4.6 | 4.4 |
Memory |
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Maximum RAM amount | 1 GB | 1 GB |
Memory bandwidth | 91.9 GB / s | 28.8 GB / s |
Memory bus width | 192 Bit | 128 Bit |
Memory clock speed | 3828 MHz | 1800 MHz |
Memory type | GDDR5 | DDR3 |