NVIDIA GeForce GTX 660M vs ATI Radeon HD 4850
Comparative analysis of NVIDIA GeForce GTX 660M and ATI Radeon HD 4850 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, 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 NVIDIA GeForce GTX 660M
- Videocard is newer: launch date 3 year(s) 8 month(s) later
- Around 34% higher core clock speed: 835 MHz vs 625 MHz
- Around 22% higher texture fill rate: 30.4 billion / sec vs 25 GTexel / s
- A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 55 nm
- 2.2x lower typical power consumption: 50 Watt vs 110 Watt
- 2x more maximum memory size: 1 GB vs 512 MB
- Around 1% higher memory clock speed: 2000 MHz vs 1986 MHz
- Around 55% better performance in PassMark - G3D Mark: 1447 vs 934
- 3.4x better performance in PassMark - G2D Mark: 265 vs 79
| Specifications (specs) | |
| Launch date | 22 March 2012 vs 25 June 2008 |
| Core clock speed | 835 MHz vs 625 MHz |
| Texture fill rate | 30.4 billion / sec vs 25 GTexel / s |
| Manufacturing process technology | 28 nm vs 55 nm |
| Thermal Design Power (TDP) | 50 Watt vs 110 Watt |
| Maximum memory size | 1 GB vs 512 MB |
| Memory clock speed | 2000 MHz vs 1986 MHz |
| Benchmarks | |
| PassMark - G3D Mark | 1447 vs 934 |
| PassMark - G2D Mark | 265 vs 79 |
Reasons to consider the ATI Radeon HD 4850
- 2.1x more pipelines: 800 vs 384
- Around 37% better floating-point performance: 1,000.0 gflops vs 729.6 gflops
- Around 5% better performance in GFXBench 4.0 - T-Rex (Frames): 3344 vs 3176
- Around 5% better performance in GFXBench 4.0 - T-Rex (Fps): 3344 vs 3176
| Specifications (specs) | |
| Pipelines | 800 vs 384 |
| Floating-point performance | 1,000.0 gflops vs 729.6 gflops |
| Benchmarks | |
| GFXBench 4.0 - T-Rex (Frames) | 3344 vs 3176 |
| GFXBench 4.0 - T-Rex (Fps) | 3344 vs 3176 |
Compare benchmarks
GPU 1: NVIDIA GeForce GTX 660M
GPU 2: ATI Radeon HD 4850
| PassMark - G3D Mark |
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| PassMark - G2D Mark |
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| GFXBench 4.0 - T-Rex (Frames) |
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| GFXBench 4.0 - T-Rex (Fps) |
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| Name | NVIDIA GeForce GTX 660M | ATI Radeon HD 4850 |
|---|---|---|
| PassMark - G3D Mark | 1447 | 934 |
| PassMark - G2D Mark | 265 | 79 |
| Geekbench - OpenCL | 4028 | |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 10.837 | |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 405.086 | |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 1.098 | |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 21.798 | |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 33.754 | |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 1094 | |
| GFXBench 4.0 - Manhattan (Frames) | 2253 | |
| GFXBench 4.0 - T-Rex (Frames) | 3176 | 3344 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 1094 | |
| GFXBench 4.0 - Manhattan (Fps) | 2253 | |
| GFXBench 4.0 - T-Rex (Fps) | 3176 | 3344 |
| 3DMark Fire Strike - Graphics Score | 475 |
Compare specifications (specs)
| NVIDIA GeForce GTX 660M | ATI Radeon HD 4850 | |
|---|---|---|
Essentials |
||
| Architecture | Kepler | TeraScale |
| Code name | GK107 | RV770 |
| Launch date | 22 March 2012 | 25 June 2008 |
| Place in performance rating | 1277 | 1278 |
| Type | Laptop | Desktop |
| Launch price (MSRP) | $199 | |
Technical info |
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| Boost clock speed | 950 MHz | |
| Core clock speed | 835 MHz | 625 MHz |
| CUDA cores | 384 | |
| Floating-point performance | 729.6 gflops | 1,000.0 gflops |
| Manufacturing process technology | 28 nm | 55 nm |
| Pipelines | 384 | 800 |
| Texture fill rate | 30.4 billion / sec | 25 GTexel / s |
| Thermal Design Power (TDP) | 50 Watt | 110 Watt |
| Transistor count | 1,270 million | 956 million |
Video outputs and ports |
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| Display Connectors | No outputs | 2x DVI, 1x S-Video |
| HDCP | ||
| HDMI | ||
| Maximum VGA resolution | Up to 2048x1536 | |
Compatibility, dimensions and requirements |
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| Bus support | PCI Express 2.0, PCI Express 3.0 | |
| Interface | MXM-B (3.0) | PCIe 2.0 x16 |
| Laptop size | large | |
| SLI options | 2-way | |
| Length | 246 mm | |
| Supplementary power connectors | 1x 6-pin | |
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 | 1 GB | 512 MB |
| Memory bandwidth | 64.0 GB / s | 63.6 GB / s |
| Memory bus width | 128bit | 256 Bit |
| Memory clock speed | 2000 MHz | 1986 MHz |
| Memory type | GDDR5 | GDDR3 |
| Shared memory | 0 | |
Technologies |
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| 3D Vision | ||
| 3D Vision / 3DTV Play | ||
| Adaptive VSync | ||
| CUDA | ||
| DirectX 11 | DirectX 11 | |
| FXAA | ||
| SLI | ||
| TXAA | ||
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