NVIDIA GeForce GT 745M vs AMD Radeon HD 7640G
Comparative analysis of NVIDIA GeForce GT 745M and AMD Radeon HD 7640G 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 GT 745M
- Videocard is newer: launch date 10 month(s) later
- Around 68% higher core clock speed: 837 MHz vs 497 MHz
- Around 50% higher pipelines: 384 vs 256
- A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 32 nm
- 2.4x better performance in PassMark - G3D Mark: 1096 vs 458
- Around 45% better performance in PassMark - G2D Mark: 180 vs 124
- 2.9x better performance in Geekbench - OpenCL: 3439 vs 1187
- 3.5x better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 2255 vs 636
- Around 40% better performance in GFXBench 4.0 - Manhattan (Frames): 3133 vs 2245
- 3.5x better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 2255 vs 636
- Around 40% better performance in GFXBench 4.0 - Manhattan (Fps): 3133 vs 2245
Specifications (specs) | |
Launch date | 1 April 2013 vs 15 May 2012 |
Core clock speed | 837 MHz vs 497 MHz |
Pipelines | 384 vs 256 |
Manufacturing process technology | 28 nm vs 32 nm |
Benchmarks | |
PassMark - G3D Mark | 1096 vs 458 |
PassMark - G2D Mark | 180 vs 124 |
Geekbench - OpenCL | 3439 vs 1187 |
GFXBench 4.0 - Car Chase Offscreen (Frames) | 2255 vs 636 |
GFXBench 4.0 - Manhattan (Frames) | 3133 vs 2245 |
GFXBench 4.0 - Car Chase Offscreen (Fps) | 2255 vs 636 |
GFXBench 4.0 - Manhattan (Fps) | 3133 vs 2245 |
Reasons to consider the AMD Radeon HD 7640G
Benchmarks | |
GFXBench 4.0 - T-Rex (Frames) | 3355 vs 3352 |
GFXBench 4.0 - T-Rex (Fps) | 3355 vs 3352 |
Compare benchmarks
GPU 1: NVIDIA GeForce GT 745M
GPU 2: AMD Radeon HD 7640G
PassMark - G3D Mark |
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PassMark - G2D Mark |
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Geekbench - OpenCL |
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GFXBench 4.0 - Car Chase Offscreen (Frames) |
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GFXBench 4.0 - Manhattan (Frames) |
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GFXBench 4.0 - T-Rex (Frames) |
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GFXBench 4.0 - Car Chase Offscreen (Fps) |
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GFXBench 4.0 - Manhattan (Fps) |
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GFXBench 4.0 - T-Rex (Fps) |
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Name | NVIDIA GeForce GT 745M | AMD Radeon HD 7640G |
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PassMark - G3D Mark | 1096 | 458 |
PassMark - G2D Mark | 180 | 124 |
Geekbench - OpenCL | 3439 | 1187 |
CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 10.489 | |
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 202.905 | |
CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.66 | |
CompuBench 1.5 Desktop - Video Composition (Frames/s) | 8.184 | |
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 19.323 | |
GFXBench 4.0 - Car Chase Offscreen (Frames) | 2255 | 636 |
GFXBench 4.0 - Manhattan (Frames) | 3133 | 2245 |
GFXBench 4.0 - T-Rex (Frames) | 3352 | 3355 |
GFXBench 4.0 - Car Chase Offscreen (Fps) | 2255 | 636 |
GFXBench 4.0 - Manhattan (Fps) | 3133 | 2245 |
GFXBench 4.0 - T-Rex (Fps) | 3352 | 3355 |
3DMark Fire Strike - Graphics Score | 0 |
Compare specifications (specs)
NVIDIA GeForce GT 745M | AMD Radeon HD 7640G | |
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Essentials |
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Architecture | Kepler | Terascale 3 |
Code name | GK107 | Trinity |
Launch date | 1 April 2013 | 15 May 2012 |
Place in performance rating | 1286 | 1288 |
Type | Laptop | Laptop |
Technical info |
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Core clock speed | 837 MHz | 497 MHz |
Floating-point performance | 642.8 gflops | |
Manufacturing process technology | 28 nm | 32 nm |
Pipelines | 384 | 256 |
Texture fill rate | 26.78 GTexel / s | |
Thermal Design Power (TDP) | 45 Watt | |
Transistor count | 1,270 million | |
Boost clock speed | 686 MHz | |
Video outputs and ports |
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7.1 channel HD audio on HDMI | ||
Display Connectors | No outputs | |
DisplayPort Multimode (DP++) support | Up to 3840x2160 | |
eDP 1.2 signal support | Up to 3840x2160 | |
HDCP content protection | ||
HDMI | ||
LVDS signal support | Up to 1920x1200 | |
TrueHD and DTS-HD audio bitstreaming | ||
VGA аnalog display support | Up to 2048x1536 | |
Compatibility, dimensions and requirements |
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Bus support | PCI Express 3.0 | |
Interface | PCIe 3.0 x16 | |
Laptop size | medium sized | medium sized |
API support |
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DirectX | 12 API | 11 |
OpenCL | 1.1 | |
OpenGL | 4.5 | |
Memory |
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Maximum RAM amount | 2 GB | |
Memory bandwidth | 28.8 GB / s | |
Memory bus width | 128 Bit | |
Memory clock speed | 1800 MHz | |
Memory type | DDR3, GDDR5 | |
Shared memory | 0 | 1 |
Standard memory configuration | DDR3 / GDDR5 | |
Technologies |
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3D Vision | ||
3D Vision / 3DTV Play | ||
Blu-Ray 3D Support | ||
CUDA | ||
Direct Compute | ||
FXAA | ||
H.264, VC1, MPEG2 1080p video decoder | ||
Optimus |