NVIDIA GeForce GT 445M vs ATI Mobility Radeon HD 3870 X2
Comparative analysis of NVIDIA GeForce GT 445M and ATI Mobility Radeon HD 3870 X2 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, GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).
Differences
Reasons to consider the NVIDIA GeForce GT 445M
- Videocard is newer: launch date 2 year(s) 0 month(s) later
- Around 79% higher core clock speed: 1180 MHz vs 660 MHz
- A newer manufacturing process allows for a more powerful, yet cooler running videocard: 40 nm vs 55 nm
- 3.1x lower typical power consumption: 35 Watt vs 110 Watt
- 3x more maximum memory size: 3 GB vs 2x 512 MB
- Around 70% better performance in PassMark - G3D Mark: 811 vs 478
- Around 9% better performance in PassMark - G2D Mark: 203 vs 187
Specifications (specs) | |
Launch date | 3 September 2010 vs 1 September 2008 |
Core clock speed | 1180 MHz vs 660 MHz |
Manufacturing process technology | 40 nm vs 55 nm |
Thermal Design Power (TDP) | 35 Watt vs 110 Watt |
Maximum memory size | 3 GB vs 2x 512 MB |
Benchmarks | |
PassMark - G3D Mark | 811 vs 478 |
PassMark - G2D Mark | 203 vs 187 |
Reasons to consider the ATI Mobility Radeon HD 3870 X2
- 19.9x more texture fill rate: 2x 10.56 GTexel / s billion / sec vs 10.6 billion / sec
- 4.4x more pipelines: 640 vs 144
- 2.5x better floating-point performance: 2x 422.4 gflops vs 339.8 gflops
- Around 36% higher memory clock speed: 1700 MHz vs 1250 MHz
Texture fill rate | 2x 10.56 GTexel / s billion / sec vs 10.6 billion / sec |
Pipelines | 640 vs 144 |
Floating-point performance | 2x 422.4 gflops vs 339.8 gflops |
Memory clock speed | 1700 MHz vs 1250 MHz |
Compare benchmarks
GPU 1: NVIDIA GeForce GT 445M
GPU 2: ATI Mobility Radeon HD 3870 X2
PassMark - G3D Mark |
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PassMark - G2D Mark |
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Name | NVIDIA GeForce GT 445M | ATI Mobility Radeon HD 3870 X2 |
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PassMark - G3D Mark | 811 | 478 |
PassMark - G2D Mark | 203 | 187 |
Geekbench - OpenCL | 12379 | |
GFXBench 4.0 - Manhattan (Frames) | 3274 | |
GFXBench 4.0 - Manhattan (Fps) | 3274 | |
GFXBench 4.0 - T-Rex (Frames) | 3350 | |
GFXBench 4.0 - T-Rex (Fps) | 3350 |
Compare specifications (specs)
NVIDIA GeForce GT 445M | ATI Mobility Radeon HD 3870 X2 | |
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Essentials |
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Architecture | Fermi | TeraScale |
Code name | GF106 | M88 |
Launch date | 3 September 2010 | 1 September 2008 |
Place in performance rating | 878 | 879 |
Type | Laptop | Laptop |
Technical info |
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Core clock speed | 1180 MHz | 660 MHz |
CUDA cores | 144 | |
Floating-point performance | 339.8 gflops | 2x 422.4 gflops |
Manufacturing process technology | 40 nm | 55 nm |
Pipelines | 144 | 640 |
Texture fill rate | 10.6 billion / sec | 2x 10.56 GTexel / s billion / sec |
Thermal Design Power (TDP) | 35 Watt | 110 Watt |
Transistor count | 1,170 million | 666 million |
Video outputs and ports |
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Display Connectors | No outputs | No outputs |
Compatibility, dimensions and requirements |
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Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
Laptop size | large | large |
API support |
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DirectX | 12 API | 10.1 |
OpenCL | 1.1 | |
OpenGL | 4.5 | 3.3 |
Memory |
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Maximum RAM amount | 3 GB | 2x 512 MB |
Memory bandwidth | 60.0 GB / s | 2x 54.4 GB / s |
Memory bus width | 192 Bit | 256 Bit |
Memory clock speed | 1250 MHz | 1700 MHz |
Memory type | GDDR5 | GDDR3 |
Shared memory | 0 | 0 |
Technologies |
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3D Vision | ||
CUDA | ||
DirectCompute | ||
DirectX 11 | DirectX 11 | |
Optimus | ||
SLI |