AMD Radeon HD 7950 vs ATI Mobility Radeon HD 3870
Comparative analysis of AMD Radeon HD 7950 and ATI Mobility Radeon HD 3870 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: Geekbench - OpenCL, 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, PassMark - G3D Mark, PassMark - G2D Mark.
Differences
Reasons to consider the AMD Radeon HD 7950
- Videocard is newer: launch date 3 year(s) 7 month(s) later
- 8.5x more texture fill rate: 89.6 GTexel / s vs 10.56 GTexel / s
- 5.6x more pipelines: 1792 vs 320
- 6.8x better floating-point performance: 2,867 gflops vs 422.4 gflops
- A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 55 nm
- 6x more maximum memory size: 3 GB vs 512 MB
Launch date | 31 January 2012 vs 4 June 2008 |
Texture fill rate | 89.6 GTexel / s vs 10.56 GTexel / s |
Pipelines | 1792 vs 320 |
Floating-point performance | 2,867 gflops vs 422.4 gflops |
Manufacturing process technology | 28 nm vs 55 nm |
Maximum memory size | 3 GB vs 512 MB |
Reasons to consider the ATI Mobility Radeon HD 3870
- 5.5x lower typical power consumption: 55 Watt vs 300 Watt
- Around 36% higher memory clock speed: 1700 MHz vs 1250 MHz
Thermal Design Power (TDP) | 55 Watt vs 300 Watt |
Memory clock speed | 1700 MHz vs 1250 MHz |
Compare benchmarks
GPU 1: AMD Radeon HD 7950
GPU 2: ATI Mobility Radeon HD 3870
Name | AMD Radeon HD 7950 | ATI Mobility Radeon HD 3870 |
---|---|---|
Geekbench - OpenCL | 82144 | |
CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 63.74 | |
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 1177.395 | |
CompuBench 1.5 Desktop - T-Rex (Frames/s) | 5.685 | |
CompuBench 1.5 Desktop - Video Composition (Frames/s) | 69.23 | |
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 343.81 | |
GFXBench 4.0 - Car Chase Offscreen (Frames) | 7988 | |
GFXBench 4.0 - Manhattan (Frames) | 3699 | |
GFXBench 4.0 - T-Rex (Frames) | 3359 | |
GFXBench 4.0 - Car Chase Offscreen (Fps) | 7988 | |
GFXBench 4.0 - Manhattan (Fps) | 3699 | |
GFXBench 4.0 - T-Rex (Fps) | 3359 | |
3DMark Fire Strike - Graphics Score | 1914 | |
PassMark - G3D Mark | 548 | |
PassMark - G2D Mark | 288 |
Compare specifications (specs)
AMD Radeon HD 7950 | ATI Mobility Radeon HD 3870 | |
---|---|---|
Essentials |
||
Architecture | GCN 1.0 | TeraScale |
Code name | Tahiti | M88 |
Design | AMD Radeon HD 7000 Series | |
Launch date | 31 January 2012 | 4 June 2008 |
Launch price (MSRP) | $449 | |
Place in performance rating | 536 | 537 |
Type | Desktop | Laptop |
Technical info |
||
Boost clock speed | 1250 MHz | |
Compute units | 28 | |
Floating-point performance | 2,867 gflops | 422.4 gflops |
Manufacturing process technology | 28 nm | 55 nm |
Pipelines | 1792 | 320 |
Stream Processors | 1792 | |
Texture fill rate | 89.6 GTexel / s | 10.56 GTexel / s |
Thermal Design Power (TDP) | 300 Watt | 55 Watt |
Transistor count | 4,313 million | 666 million |
Core clock speed | 660 MHz | |
Video outputs and ports |
||
Display Connectors | 1x DVI, 1x HDMI, 2x mini-DisplayPort | No outputs |
DisplayPort support | ||
Dual-link DVI support | ||
Eyefinity | ||
HDMI | ||
Number of Eyefinity displays | 6 | |
VGA | ||
Compatibility, dimensions and requirements |
||
Bus support | PCIe 3.0 x16 | |
Interface | PCIe 3.0 x16 | PCIe 2.0 x16 |
Length | 267 mm | |
Supplementary power connectors | 2x 6-pin | |
Laptop size | large | |
API support |
||
DirectX | 11 | 10.1 |
OpenGL | 4.5 | 3.3 |
Memory |
||
Maximum RAM amount | 3 GB | 512 MB |
Memory bandwidth | 240 GB/s | 54.4 GB / s |
Memory bus width | 384 Bit | 256 Bit |
Memory clock speed | 1250 MHz | 1700 MHz |
Memory type | GDDR5 | GDDR3 |
Shared memory | 0 | |
Technologies |
||
AMD Eyefinity | ||
AppAcceleration | ||
CrossFire | ||
FreeSync | ||
PowerTune | ||
ZeroCore | ||
PowerPlay 7.0 |