AMD Radeon 550X 640SP vs AMD Radeon RX 550X
Comparative analysis of AMD Radeon 550X 640SP and AMD Radeon RX 550X 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 - G2D Mark, PassMark - G3D Mark, Geekbench - OpenCL, GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), 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 AMD Radeon 550X 640SP
- Around 25% higher pipelines: 640 vs 512
- 830.9x better floating-point performance: 1,371 gflops vs 1.65 TFLOPs
| Pipelines | 640 vs 512 |
| Floating-point performance | 1,371 gflops vs 1.65 TFLOPs |
Reasons to consider the AMD Radeon RX 550X
- Around 8% higher core clock speed: 1100 MHz vs 1019 MHz
- Around 20% higher boost clock speed: 1287 MHz vs 1071 MHz
- 1201.7x more texture fill rate: 51.48 GTexel/s vs 42.84 GTexel / s
- Around 17% higher memory clock speed: 7000 MHz vs 6000 MHz
| Core clock speed | 1100 MHz vs 1019 MHz |
| Boost clock speed | 1287 MHz vs 1071 MHz |
| Texture fill rate | 51.48 GTexel/s vs 42.84 GTexel / s |
| Memory clock speed | 7000 MHz vs 6000 MHz |
Compare benchmarks
GPU 1: AMD Radeon 550X 640SP
GPU 2: AMD Radeon RX 550X
| Name | AMD Radeon 550X 640SP | AMD Radeon RX 550X |
|---|---|---|
| PassMark - G2D Mark | 422 | |
| PassMark - G3D Mark | 2253 | |
| Geekbench - OpenCL | 8679 | |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 3428 | |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 3428 | |
| GFXBench 4.0 - Manhattan (Frames) | 3139 | |
| GFXBench 4.0 - Manhattan (Fps) | 3139 | |
| GFXBench 4.0 - T-Rex (Frames) | 3349 | |
| GFXBench 4.0 - T-Rex (Fps) | 3349 |
Compare specifications (specs)
| AMD Radeon 550X 640SP | AMD Radeon RX 550X | |
|---|---|---|
Essentials |
||
| Architecture | GCN 4.0 | GCN 4.0 |
| Code name | Lexa | Lexa |
| Launch date | 11 April 2018 | 3 April 2018 |
| Place in performance rating | not rated | 628 |
| Type | Desktop | Desktop, Laptop |
| Design | Radeon RX 500X Series | |
| GCN generation | 4th Gen | |
Technical info |
||
| Boost clock speed | 1071 MHz | 1287 MHz |
| Core clock speed | 1019 MHz | 1100 MHz |
| Floating-point performance | 1,371 gflops | 1.65 TFLOPs |
| Manufacturing process technology | 14 nm | 14 nm |
| Pipelines | 640 | 512 |
| Texture fill rate | 42.84 GTexel / s | 51.48 GTexel/s |
| Thermal Design Power (TDP) | 50 Watt | 50 Watt |
| Transistor count | 2,200 million | 2,200 million |
| Compute units | 8/10 | |
| Pixel fill rate | 20.60 GP/s | |
| Render output units | 16 | |
| Stream Processors | 512/640 | |
| Texture Units | 40 | |
Video outputs and ports |
||
| Display Connectors | 1x DVI, 1x HDMI, 1x DisplayPort | 1x DVI, 1x HDMI, 1x DisplayPort |
| DisplayPort support | ||
| Dual-link DVI support | ||
| HDMI | ||
| VGA | ||
Compatibility, dimensions and requirements |
||
| Interface | PCIe 3.0 x8 | PCIe 3.0 x8 |
| Supplementary power connectors | None | None |
| Length | 145 mm | |
API support |
||
| DirectX | 12.0 (12_0) | 12 |
| OpenGL | 4.5 | 4.5 |
| Vulkan | ||
Memory |
||
| Maximum RAM amount | 4 GB | 4 GB |
| Memory bandwidth | 48 GB / s | 112 GB/s |
| Memory bus width | 64 Bit | 128 bit |
| Memory clock speed | 6000 MHz | 7000 MHz |
| Memory type | GDDR5 | GDDR5 |
Technologies |
||
| 4K H264 Decode | ||
| 4K H264 Encode | ||
| AMD Radeon™ Chill | ||
| AMD Radeon™ ReLive | ||
| AppAcceleration | ||
| FreeSync | ||
| H265/HEVC Decode | ||
| H265/HEVC Encode | ||
| HDMI 4K Support | ||
Navigation
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