AMD Radeon HD 7990 vs ATI Radeon HD 2900 XT
Comparative analysis of AMD Radeon HD 7990 and ATI Radeon HD 2900 XT 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, 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 7990
- Videocard is newer: launch date 5 year(s) 11 month(s) later
- Around 28% higher core clock speed: 950 MHz vs 743 MHz
- 179x more texture fill rate: 2x 128.0 GTexel / s billion / sec vs 11.89 GTexel / s
- 12.8x more pipelines: 2x 2048 vs 320
- 17.2x better floating-point performance: 2x 4,096 gflops vs 475.5 gflops
- A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 80 nm
- 12x more maximum memory size: 2x 3 GB vs 512 MB
- 3.6x more memory clock speed: 6000 MHz vs 1656 MHz
- 8.4x better performance in PassMark - G3D Mark: 5566 vs 660
- Around 93% better performance in PassMark - G2D Mark: 766 vs 397
Specifications (specs) | |
Launch date | 24 April 2013 vs 14 May 2007 |
Core clock speed | 950 MHz vs 743 MHz |
Texture fill rate | 2x 128.0 GTexel / s billion / sec vs 11.89 GTexel / s |
Pipelines | 2x 2048 vs 320 |
Floating-point performance | 2x 4,096 gflops vs 475.5 gflops |
Manufacturing process technology | 28 nm vs 80 nm |
Maximum memory size | 2x 3 GB vs 512 MB |
Memory clock speed | 6000 MHz vs 1656 MHz |
Benchmarks | |
PassMark - G3D Mark | 5566 vs 660 |
PassMark - G2D Mark | 766 vs 397 |
Reasons to consider the ATI Radeon HD 2900 XT
- Around 74% lower typical power consumption: 215 Watt vs 375 Watt
Thermal Design Power (TDP) | 215 Watt vs 375 Watt |
Compare benchmarks
GPU 1: AMD Radeon HD 7990
GPU 2: ATI Radeon HD 2900 XT
PassMark - G3D Mark |
|
|
||||
PassMark - G2D Mark |
|
|
Name | AMD Radeon HD 7990 | ATI Radeon HD 2900 XT |
---|---|---|
PassMark - G3D Mark | 5566 | 660 |
PassMark - G2D Mark | 766 | 397 |
CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 88.665 | |
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 1753.494 | |
CompuBench 1.5 Desktop - T-Rex (Frames/s) | 8.437 | |
CompuBench 1.5 Desktop - Video Composition (Frames/s) | 88.328 | |
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 434.598 | |
GFXBench 4.0 - Car Chase Offscreen (Frames) | 6689 | |
GFXBench 4.0 - Manhattan (Frames) | 3712 | |
GFXBench 4.0 - T-Rex (Frames) | 3356 | |
GFXBench 4.0 - Car Chase Offscreen (Fps) | 6689 | |
GFXBench 4.0 - Manhattan (Fps) | 3712 | |
GFXBench 4.0 - T-Rex (Fps) | 3356 | |
3DMark Fire Strike - Graphics Score | 0 |
Compare specifications (specs)
AMD Radeon HD 7990 | ATI Radeon HD 2900 XT | |
---|---|---|
Essentials |
||
Architecture | GCN 1.0 | TeraScale |
Code name | Malta | R600 |
Design | AMD Radeon HD 7000 Series | |
Launch date | 24 April 2013 | 14 May 2007 |
Launch price (MSRP) | $999 | $399 |
Place in performance rating | 410 | 377 |
Price now | $1,126.99 | |
Type | Desktop | Desktop |
Value for money (0-100) | 7.87 | |
Technical info |
||
Boost clock speed | 1000 MHz | |
Core clock speed | 950 MHz | 743 MHz |
Floating-point performance | 2x 4,096 gflops | 475.5 gflops |
Manufacturing process technology | 28 nm | 80 nm |
Pipelines | 2x 2048 | 320 |
Texture fill rate | 2x 128.0 GTexel / s billion / sec | 11.89 GTexel / s |
Thermal Design Power (TDP) | 375 Watt | 215 Watt |
Transistor count | 4,313 million | 720 million |
Video outputs and ports |
||
Display Connectors | 1x DVI, 4x mini-DisplayPort | 2x DVI, 1x S-Video |
DisplayPort support | ||
Dual-link DVI support | ||
VGA | ||
Compatibility, dimensions and requirements |
||
Interface | PCIe 3.0 x16 | PCIe 1.0 x16 |
Length | 307 mm | 241 mm |
Supplementary power connectors | 2x 8-pin | 1x 6-pin + 1x 8-pin |
API support |
||
DirectX | 11.2 | 10.0 |
OpenGL | 4.5 | 3.3 |
Memory |
||
Maximum RAM amount | 2x 3 GB | 512 MB |
Memory bandwidth | 2x 288.0 GB / s | 106.0 GB / s |
Memory bus width | 2x 384 Bit | 512 Bit |
Memory clock speed | 6000 MHz | 1656 MHz |
Memory type | GDDR5 | GDDR3 |