AMD Radeon RX 640 vs AMD Radeon HD 7450M
Comparative analysis of AMD Radeon RX 640 and AMD Radeon HD 7450M 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.
Differences
Reasons to consider the AMD Radeon RX 640
- Videocard is newer: launch date 7 year(s) 4 month(s) later
- Around 55% higher core clock speed: 1082 MHz vs 700 MHz
- 6960.7x more texture fill rate: 38.98 GTexel/s vs 5.6 GTexel / s
- 3.2x more pipelines: 512 vs 160
- A newer manufacturing process allows for a more powerful, yet cooler running videocard: 14 nm vs 40 nm
- 2x more maximum memory size: 2 GB vs 1 GB
- 23.9x better performance in Geekbench - OpenCL: 11376 vs 476
- 6.1x better performance in PassMark - G3D Mark: 2017 vs 330
| Specifications (specs) | |
| Launch date | 13 May 2019 vs 7 January 2012 |
| Core clock speed | 1082 MHz vs 700 MHz |
| Texture fill rate | 38.98 GTexel/s vs 5.6 GTexel / s |
| Pipelines | 512 vs 160 |
| Manufacturing process technology | 14 nm vs 40 nm |
| Maximum memory size | 2 GB vs 1 GB |
| Benchmarks | |
| Geekbench - OpenCL | 11376 vs 476 |
| PassMark - G3D Mark | 2017 vs 330 |
Reasons to consider the AMD Radeon HD 7450M
- 7.1x lower typical power consumption: 7 Watt vs 50 Watt
- Around 3% higher memory clock speed: 1800 MHz vs 1750 MHz (7000 MHz effective)
- Around 4% better performance in GFXBench 4.0 - Manhattan (Frames): 1832 vs 1769
- Around 4% better performance in GFXBench 4.0 - Manhattan (Fps): 1832 vs 1769
- Around 26% better performance in GFXBench 4.0 - T-Rex (Frames): 3493 vs 2775
- Around 26% better performance in GFXBench 4.0 - T-Rex (Fps): 3493 vs 2775
- Around 29% better performance in PassMark - G2D Mark: 441 vs 342
| Specifications (specs) | |
| Thermal Design Power (TDP) | 7 Watt vs 50 Watt |
| Memory clock speed | 1800 MHz vs 1750 MHz (7000 MHz effective) |
| Benchmarks | |
| GFXBench 4.0 - Manhattan (Frames) | 1832 vs 1769 |
| GFXBench 4.0 - Manhattan (Fps) | 1832 vs 1769 |
| GFXBench 4.0 - T-Rex (Frames) | 3493 vs 2775 |
| GFXBench 4.0 - T-Rex (Fps) | 3493 vs 2775 |
| PassMark - G2D Mark | 441 vs 342 |
Compare benchmarks
GPU 1: AMD Radeon RX 640
GPU 2: AMD Radeon HD 7450M
| 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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| 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 | AMD Radeon HD 7450M |
|---|---|---|
| GFXBench 4.0 - Manhattan (Frames) | 1769 | 1832 |
| GFXBench 4.0 - Manhattan (Fps) | 1769 | 1832 |
| GFXBench 4.0 - T-Rex (Frames) | 2775 | 3493 |
| GFXBench 4.0 - T-Rex (Fps) | 2775 | 3493 |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 3278 | |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 3278 | |
| Geekbench - OpenCL | 11376 | 476 |
| PassMark - G2D Mark | 342 | 441 |
| PassMark - G3D Mark | 2017 | 330 |
Compare specifications (specs)
| AMD Radeon RX 640 | AMD Radeon HD 7450M | |
|---|---|---|
Essentials |
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| Architecture | GCN 4.0 | TeraScale 2 |
| Code name | Arctic Islands | Seymour |
| Launch date | 13 May 2019 | 7 January 2012 |
| Place in performance rating | 808 | 809 |
| Type | Laptop | |
Technical info |
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| Boost clock speed | 1218 MHz | |
| Compute units | 8 | |
| Core clock speed | 1082 MHz | 700 MHz |
| Manufacturing process technology | 14 nm | 40 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 | 160 |
| Pixel fill rate | 19.49 GPixel/s | |
| Texture fill rate | 38.98 GTexel/s | 5.6 GTexel / s |
| Thermal Design Power (TDP) | 50 Watt | 7 Watt |
| Transistor count | 2200 million | 370 million |
| Floating-point performance | 224.0 gflops | |
Video outputs and ports |
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| Display Connectors | 1x DVI, 1x HDMI, 1x DisplayPort | No outputs |
| DisplayPort support | ||
| HDMI | ||
Compatibility, dimensions and requirements |
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| Interface | PCIe 3.0 x8 | PCIe 2.0 x16 |
| Length | 5.7 inches (145 mm) | |
| Recommended system power (PSU) | 350 Watt | |
| Supplementary power connectors | None | |
| Width | Dual-slot | |
API support |
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| DirectX | 12 | 11.2 (11_0) |
| OpenCL | 2.0 | |
| OpenGL | 4.6 | 4.4 |
| Shader Model | 6.4 | |
| Vulkan | ||
Memory |
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| Maximum RAM amount | 2 GB | 1 GB |
| Memory bandwidth | 112.0 GB/s | 14.4 GB / s |
| Memory bus width | 128 bit | 64 Bit |
| Memory clock speed | 1750 MHz (7000 MHz effective) | 1800 MHz |
| Memory type | GDDR5 | DDR3, GDDR5 |
| Shared memory | 0 | |
Technologies |
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| Unified Video Decoder (UVD) | ||
| Video Code Engine (VCE) | ||
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