ATI Radeon HD 4830 vs ATI Radeon HD 4870
Comparative analysis of ATI Radeon HD 4830 and ATI Radeon HD 4870 videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory. Benchmark videocards performance analysis: PassMark - G3D Mark, PassMark - G2D Mark, GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).
Differences
Reasons to consider the ATI Radeon HD 4830
- Videocard is newer: launch date 3 month(s) later
- Around 58% lower typical power consumption: 95 Watt vs 150 Watt
- Around 50% better performance in PassMark - G2D Mark: 66 vs 44
| Specifications (specs) | |
| Launch date | 21 October 2008 vs 25 June 2008 |
| Thermal Design Power (TDP) | 95 Watt vs 150 Watt |
| Benchmarks | |
| PassMark - G2D Mark | 66 vs 44 |
| GFXBench 4.0 - T-Rex (Frames) | 3354 vs 3346 |
| GFXBench 4.0 - T-Rex (Fps) | 3354 vs 3346 |
Reasons to consider the ATI Radeon HD 4870
- Around 30% higher core clock speed: 750 MHz vs 575 MHz
- Around 63% higher texture fill rate: 30 GTexel / s vs 18.4 GTexel / s
- Around 25% higher pipelines: 800 vs 640
- Around 63% better floating-point performance: 1,200.0 gflops vs 736.0 gflops
- 2x more memory clock speed: 3600 MHz vs 1800 MHz
- Around 65% better performance in PassMark - G3D Mark: 1376 vs 836
| Specifications (specs) | |
| Core clock speed | 750 MHz vs 575 MHz |
| Texture fill rate | 30 GTexel / s vs 18.4 GTexel / s |
| Pipelines | 800 vs 640 |
| Floating-point performance | 1,200.0 gflops vs 736.0 gflops |
| Memory clock speed | 3600 MHz vs 1800 MHz |
| Benchmarks | |
| PassMark - G3D Mark | 1376 vs 836 |
Compare benchmarks
GPU 1: ATI Radeon HD 4830
GPU 2: ATI Radeon HD 4870
| 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 | ATI Radeon HD 4830 | ATI Radeon HD 4870 |
|---|---|---|
| PassMark - G3D Mark | 836 | 1376 |
| PassMark - G2D Mark | 66 | 44 |
| GFXBench 4.0 - T-Rex (Frames) | 3354 | 3346 |
| GFXBench 4.0 - T-Rex (Fps) | 3354 | 3346 |
Compare specifications (specs)
| ATI Radeon HD 4830 | ATI Radeon HD 4870 | |
|---|---|---|
Essentials |
||
| Architecture | TeraScale | TeraScale |
| Code name | RV770 | RV770 |
| Launch date | 21 October 2008 | 25 June 2008 |
| Launch price (MSRP) | $130 | $299 |
| Place in performance rating | 1330 | 1331 |
| Type | Desktop | Desktop |
Technical info |
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| Core clock speed | 575 MHz | 750 MHz |
| Floating-point performance | 736.0 gflops | 1,200.0 gflops |
| Manufacturing process technology | 55 nm | 55 nm |
| Pipelines | 640 | 800 |
| Texture fill rate | 18.4 GTexel / s | 30 GTexel / s |
| Thermal Design Power (TDP) | 95 Watt | 150 Watt |
| Transistor count | 956 million | 956 million |
Video outputs and ports |
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| Display Connectors | 2x DVI, 1x S-Video | 2x DVI, 1x S-Video |
Compatibility, dimensions and requirements |
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| Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| Length | 246 mm | 250 mm |
| Supplementary power connectors | 1x 6-pin | 2x 6-pin |
API support |
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| DirectX | 10.1 | 10.1 |
| OpenGL | 3.3 | 3.3 |
Memory |
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| Maximum RAM amount | 512 MB | 512 MB |
| Memory bandwidth | 57.6 GB / s | 115.2 GB / s |
| Memory bus width | 256 Bit | 256 Bit |
| Memory clock speed | 1800 MHz | 3600 MHz |
| Memory type | GDDR3 | GDDR5 |
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