AMD Radeon RX 640 vs NVIDIA GeForce GTX 645 OEM
Comparative analysis of AMD Radeon RX 640 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, Technologies. Benchmark videocards performance analysis: GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), Geekbench - OpenCL, PassMark - G2D Mark, PassMark - G3D Mark, 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 RX 640
- Videocard is newer: launch date 6 year(s) 0 month(s) later
- Around 31% higher core clock speed: 1082 MHz vs 824 MHz
- 985.6x more texture fill rate: 38.98 GTexel/s vs 39.55 GTexel / s
- A newer manufacturing process allows for a more powerful, yet cooler running videocard: 14 nm vs 28 nm
- Around 30% lower typical power consumption: 50 Watt vs 65 Watt
- 2x more maximum memory size: 2 GB vs 1 GB
- 2.3x better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 3278 vs 1435
- 2.3x better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 3278 vs 1435
- Around 98% better performance in Geekbench - OpenCL: 10390 vs 5235
- Around 4% better performance in PassMark - G3D Mark: 1952 vs 1877
Specifications (specs) | |
Launch date | 13 May 2019 vs 22 April 2013 |
Core clock speed | 1082 MHz vs 824 MHz |
Texture fill rate | 38.98 GTexel/s vs 39.55 GTexel / s |
Manufacturing process technology | 14 nm vs 28 nm |
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) | 3278 vs 1435 |
GFXBench 4.0 - Car Chase Offscreen (Fps) | 3278 vs 1435 |
Geekbench - OpenCL | 10390 vs 5235 |
PassMark - G3D Mark | 1952 vs 1877 |
Reasons to consider the NVIDIA GeForce GTX 645 OEM
- Around 13% higher pipelines: 576 vs 512
- 2.3x more memory clock speed: 4000 MHz vs 1750 MHz (7000 MHz effective)
- 2x better performance in GFXBench 4.0 - Manhattan (Frames): 3531 vs 1769
- 2x better performance in GFXBench 4.0 - Manhattan (Fps): 3531 vs 1769
- Around 19% better performance in GFXBench 4.0 - T-Rex (Frames): 3300 vs 2775
- Around 19% better performance in GFXBench 4.0 - T-Rex (Fps): 3300 vs 2775
- Around 26% better performance in PassMark - G2D Mark: 430 vs 340
Specifications (specs) | |
Pipelines | 576 vs 512 |
Memory clock speed | 4000 MHz vs 1750 MHz (7000 MHz effective) |
Benchmarks | |
GFXBench 4.0 - Manhattan (Frames) | 3531 vs 1769 |
GFXBench 4.0 - Manhattan (Fps) | 3531 vs 1769 |
GFXBench 4.0 - T-Rex (Frames) | 3300 vs 2775 |
GFXBench 4.0 - T-Rex (Fps) | 3300 vs 2775 |
PassMark - G2D Mark | 430 vs 340 |
Compare benchmarks
GPU 1: AMD Radeon RX 640
GPU 2: NVIDIA GeForce GTX 645 OEM
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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GFXBench 4.0 - Car Chase Offscreen (Frames) |
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GFXBench 4.0 - Car Chase Offscreen (Fps) |
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Geekbench - OpenCL |
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PassMark - G2D Mark |
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PassMark - G3D Mark |
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Name | AMD Radeon RX 640 | NVIDIA GeForce GTX 645 OEM |
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GFXBench 4.0 - Manhattan (Frames) | 1769 | 3531 |
GFXBench 4.0 - Manhattan (Fps) | 1769 | 3531 |
GFXBench 4.0 - T-Rex (Frames) | 2775 | 3300 |
GFXBench 4.0 - T-Rex (Fps) | 2775 | 3300 |
GFXBench 4.0 - Car Chase Offscreen (Frames) | 3278 | 1435 |
GFXBench 4.0 - Car Chase Offscreen (Fps) | 3278 | 1435 |
Geekbench - OpenCL | 10390 | 5235 |
PassMark - G2D Mark | 340 | 430 |
PassMark - G3D Mark | 1952 | 1877 |
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 RX 640 | NVIDIA GeForce GTX 645 OEM | |
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Essentials |
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Architecture | GCN 4.0 | Kepler |
Code name | Arctic Islands | GK106 |
Launch date | 13 May 2019 | 22 April 2013 |
Place in performance rating | 811 | 964 |
Type | Desktop | |
Technical info |
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Boost clock speed | 1218 MHz | |
Compute units | 8 | |
Core clock speed | 1082 MHz | 824 MHz |
Manufacturing process technology | 14 nm | 28 nm |
Peak Double Precision (FP64) Performance | 77.95 GFLOPS | |
Peak Half Precision (FP16) Performance | 1247 GFLOPS | |
Peak Single Precision (FP32) Performance | 1247 GFLOPS | |
Pipelines | 512 | 576 |
Pixel fill rate | 19.49 GPixel/s | |
Texture fill rate | 38.98 GTexel/s | 39.55 GTexel / s |
Thermal Design Power (TDP) | 50 Watt | 65 Watt |
Transistor count | 2200 million | 2,540 million |
Floating-point performance | 949.2 gflops | |
Video outputs and ports |
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Display Connectors | 1x DVI, 1x HDMI, 1x DisplayPort | 1x DVI, 1x HDMI, 1x DisplayPort |
DisplayPort support | ||
HDMI | ||
Compatibility, dimensions and requirements |
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Interface | PCIe 3.0 x8 | PCIe 3.0 x16 |
Length | 5.7 inches (145 mm) | 147 mm |
Recommended system power (PSU) | 350 Watt | |
Supplementary power connectors | None | None |
Width | Dual-slot | |
API support |
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DirectX | 12 | 12.0 (11_0) |
OpenCL | 2.0 | |
OpenGL | 4.6 | 4.6 |
Shader Model | 6.4 | |
Vulkan | ||
Memory |
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Maximum RAM amount | 2 GB | 1 GB |
Memory bandwidth | 112.0 GB/s | 64 GB / s |
Memory bus width | 128 bit | 128 Bit |
Memory clock speed | 1750 MHz (7000 MHz effective) | 4000 MHz |
Memory type | GDDR5 | GDDR5 |
Technologies |
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Unified Video Decoder (UVD) | ||
Video Code Engine (VCE) |