AMD Radeon HD 6850M vs AMD Radeon HD 6870M
Comparative analysis of AMD Radeon HD 6850M and AMD Radeon HD 6870M videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory, Technologies.
Differences
Reasons to consider the AMD Radeon HD 6870M
- 2.5x more memory clock speed: 4000 MHz vs 1600 MHz
Memory clock speed | 4000 MHz vs 1600 MHz |
Compare specifications (specs)
AMD Radeon HD 6850M | AMD Radeon HD 6870M | |
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Essentials |
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Architecture | TeraScale 2 | TeraScale 2 |
Code name | Granville | Granville |
Launch date | 4 January 2011 | 4 January 2011 |
Place in performance rating | not rated | not rated |
Type | Laptop | Laptop |
Technical info |
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Core clock speed | 675 MHz | 675 MHz |
Floating-point performance | 1,080.0 gflops | 1,080.0 gflops |
Manufacturing process technology | 40 nm | 40 nm |
Pipelines | 800 | 800 |
Texture fill rate | 27 GTexel / s | 27 GTexel / s |
Thermal Design Power (TDP) | 50 Watt | 50 Watt |
Transistor count | 1,040 million | 1,040 million |
Video outputs and ports |
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Display Connectors | No outputs | No outputs |
Compatibility, dimensions and requirements |
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Interface | PCIe 2.0 x16 | MXM-B (3.0) |
Laptop size | large | large |
API support |
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DirectX | 11.2 (11_0) | 11.2 (11_0) |
OpenGL | 4.4 | 4.4 |
Memory |
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Maximum RAM amount | 1 GB | 1 GB |
Memory bandwidth | 25.6 GB / s | 64.0 GB / s |
Memory bus width | 128 Bit | 128 Bit |
Memory clock speed | 1600 MHz | 4000 MHz |
Memory type | DDR3, GDDR5 | DDR3, GDDR3, GDDR5 |
Shared memory | 0 | 0 |
Technologies |
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HDMI 1.3a |