AMD Radeon HD 6990M Rebrand vs AMD Radeon HD 6870 X2
Comparative analysis of AMD Radeon HD 6990M Rebrand and AMD Radeon HD 6870 X2 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: CompuBench 1.5 Desktop - T-Rex (Frames/s).
Differences
Reasons to consider the AMD Radeon HD 6990M Rebrand
- 3x lower typical power consumption: 100 Watt vs 300 Watt
- Around 5% higher memory clock speed: 4400 MHz vs 4200 MHz
Thermal Design Power (TDP) | 100 Watt vs 300 Watt |
Memory clock speed | 4400 MHz vs 4200 MHz |
Reasons to consider the AMD Radeon HD 6870 X2
- Around 13% higher core clock speed: 900 MHz vs 800 MHz
- 7.8x more texture fill rate: 2x 50.4 GTexel / s billion / sec vs 32.0 GTexel / s
- 2.8x more pipelines: 2x 1120 vs 800
- 3.2x better floating-point performance: 2x 2,016.0 gflops vs 1,280.0 gflops
- 2x more maximum memory size: 2x 1 GB vs 1 GB
Core clock speed | 900 MHz vs 800 MHz |
Texture fill rate | 2x 50.4 GTexel / s billion / sec vs 32.0 GTexel / s |
Pipelines | 2x 1120 vs 800 |
Floating-point performance | 2x 2,016.0 gflops vs 1,280.0 gflops |
Maximum memory size | 2x 1 GB vs 1 GB |
Compare benchmarks
GPU 1: AMD Radeon HD 6990M Rebrand
GPU 2: AMD Radeon HD 6870 X2
Name | AMD Radeon HD 6990M Rebrand | AMD Radeon HD 6870 X2 |
---|---|---|
CompuBench 1.5 Desktop - T-Rex (Frames/s) | 1.807 |
Compare specifications (specs)
AMD Radeon HD 6990M Rebrand | AMD Radeon HD 6870 X2 | |
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Essentials |
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Architecture | TeraScale 2 | TeraScale 2 |
Code name | Broadway | Barts |
Launch date | 12 July 2011 | 8 July 2011 |
Place in performance rating | not rated | 1607 |
Type | Desktop | Desktop |
Launch price (MSRP) | $520 | |
Technical info |
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Core clock speed | 800 MHz | 900 MHz |
Floating-point performance | 1,280.0 gflops | 2x 2,016.0 gflops |
Manufacturing process technology | 40 nm | 40 nm |
Pipelines | 800 | 2x 1120 |
Texture fill rate | 32.0 GTexel / s | 2x 50.4 GTexel / s billion / sec |
Thermal Design Power (TDP) | 100 Watt | 300 Watt |
Transistor count | 1,040 million | 1,700 million |
Video outputs and ports |
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Display Connectors | No outputs | 2x DVI, 1x HDMI, 2x mini-DisplayPort |
Compatibility, dimensions and requirements |
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Interface | MXM-B (3.0) | PCIe 2.0 x16 |
Length | 304 mm | |
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 | 2x 1 GB |
Memory bandwidth | 70.4 GB / s | 2x 134.4 GB / s |
Memory bus width | 128 Bit | 2x 256 Bit |
Memory clock speed | 4400 MHz | 4200 MHz |
Memory type | GDDR5 | GDDR5 |