AMD Radeon HD 7870 XT vs ATI Mobility Radeon HD 4850
Comparative analysis of AMD Radeon HD 7870 XT and ATI Mobility 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, 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 AMD Radeon HD 7870 XT
- Videocard is newer: launch date 3 year(s) 10 month(s) later
- Around 85% higher core clock speed: 925 MHz vs 500 MHz
- 4.7x more texture fill rate: 93.6 GTexel / s vs 20 GTexel / s
- Around 92% higher pipelines: 1536 vs 800
- 3.7x better floating-point performance: 2,995 gflops vs 800.0 gflops
- A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 55 nm
- 2x more maximum memory size: 2 GB vs 1 GB
- 3.5x more memory clock speed: 6000 MHz vs 1700 MHz
- 5.2x better performance in PassMark - G3D Mark: 4470 vs 866
- Around 40% better performance in PassMark - G2D Mark: 661 vs 472
- Around 35% better performance in GFXBench 4.0 - T-Rex (Frames): 3354 vs 2486
- Around 35% better performance in GFXBench 4.0 - T-Rex (Fps): 3354 vs 2486
| Specifications (specs) | |
| Launch date | 19 November 2012 vs 9 January 2009 |
| Core clock speed | 925 MHz vs 500 MHz |
| Texture fill rate | 93.6 GTexel / s vs 20 GTexel / s |
| Pipelines | 1536 vs 800 |
| Floating-point performance | 2,995 gflops vs 800.0 gflops |
| Manufacturing process technology | 28 nm vs 55 nm |
| Maximum memory size | 2 GB vs 1 GB |
| Memory clock speed | 6000 MHz vs 1700 MHz |
| Benchmarks | |
| PassMark - G3D Mark | 4470 vs 866 |
| PassMark - G2D Mark | 661 vs 472 |
| GFXBench 4.0 - T-Rex (Frames) | 3354 vs 2486 |
| GFXBench 4.0 - T-Rex (Fps) | 3354 vs 2486 |
Compare benchmarks
GPU 1: AMD Radeon HD 7870 XT
GPU 2: ATI Mobility 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 | AMD Radeon HD 7870 XT | ATI Mobility Radeon HD 4850 |
|---|---|---|
| PassMark - G3D Mark | 4470 | 866 |
| PassMark - G2D Mark | 661 | 472 |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 65.399 | |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 1230.47 | |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 6.371 | |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 78.519 | |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 345.793 | |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 2810 | |
| GFXBench 4.0 - Manhattan (Frames) | 3264 | |
| GFXBench 4.0 - T-Rex (Frames) | 3354 | 2486 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 2810 | |
| GFXBench 4.0 - Manhattan (Fps) | 3264 | |
| GFXBench 4.0 - T-Rex (Fps) | 3354 | 2486 |
| 3DMark Fire Strike - Graphics Score | 1745 |
Compare specifications (specs)
| AMD Radeon HD 7870 XT | ATI Mobility Radeon HD 4850 | |
|---|---|---|
Essentials |
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| Architecture | GCN 1.0 | TeraScale |
| Code name | Tahiti | M98 |
| Launch date | 19 November 2012 | 9 January 2009 |
| Launch price (MSRP) | $270 | |
| Place in performance rating | 548 | 549 |
| Type | Desktop | Laptop |
Technical info |
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| Boost clock speed | 975 MHz | |
| Core clock speed | 925 MHz | 500 MHz |
| Floating-point performance | 2,995 gflops | 800.0 gflops |
| Manufacturing process technology | 28 nm | 55 nm |
| Pipelines | 1536 | 800 |
| Texture fill rate | 93.6 GTexel / s | 20 GTexel / s |
| Thermal Design Power (TDP) | 185 Watt | |
| Transistor count | 4,313 million | 956 million |
Video outputs and ports |
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| Display Connectors | 1x DVI, 1x HDMI, 2x mini-DisplayPort | No outputs |
Compatibility, dimensions and requirements |
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| Interface | PCIe 3.0 x16 | PCIe 2.0 x16 |
| Length | 267 mm | |
| Supplementary power connectors | 2x 6-pin | |
| Laptop size | large | |
API support |
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| DirectX | 12.0 (11_1) | 10.1 |
| OpenGL | 4.5 | 3.3 |
Memory |
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| Maximum RAM amount | 2 GB | 1 GB |
| Memory bandwidth | 192.0 GB / s | 54.4 GB / s |
| Memory bus width | 256 Bit | 256 Bit |
| Memory clock speed | 6000 MHz | 1700 MHz |
| Memory type | GDDR5 | GDDR3 |
| Shared memory | 0 | |
Technologies |
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| 1x Dual-Link/Single-Link DVI | ||
| 1x Single-Link DVI Support (all display ports have to be supported by the laptop manufacturer) | ||
| DisplayPort support up to 2560x1600 | ||
| HDMI support up to 1920x1080 (both with 7.1 AC3 Audio) | ||
| PCI-E 2.0 x16 | ||
| Powerplay | ||
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