ATI Mobility Radeon HD 4870 vs NVIDIA GeForce 7800 GT
Comparative analysis of ATI Mobility Radeon HD 4870 and NVIDIA GeForce 7800 GT 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: PassMark - G3D Mark, PassMark - G2D Mark, GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).
Differences
Reasons to consider the ATI Mobility Radeon HD 4870
- Videocard is newer: launch date 3 year(s) 4 month(s) later
- Around 38% higher core clock speed: 550 MHz vs 400 MHz
- 2.8x more texture fill rate: 22 GTexel / s vs 8 GTexel / s
- A newer manufacturing process allows for a more powerful, yet cooler running videocard: 55 nm vs 110 nm
- 2x more maximum memory size: 512 MB vs 256 MB
- Around 78% higher memory clock speed: 1776 MHz vs 1000 MHz
- 3x better performance in PassMark - G3D Mark: 720 vs 244
- Around 52% better performance in PassMark - G2D Mark: 416 vs 273
Specifications (specs) | |
Launch date | 9 January 2009 vs 11 August 2005 |
Core clock speed | 550 MHz vs 400 MHz |
Texture fill rate | 22 GTexel / s vs 8 GTexel / s |
Manufacturing process technology | 55 nm vs 110 nm |
Maximum memory size | 512 MB vs 256 MB |
Memory clock speed | 1776 MHz vs 1000 MHz |
Benchmarks | |
PassMark - G3D Mark | 720 vs 244 |
PassMark - G2D Mark | 416 vs 273 |
Compare benchmarks
GPU 1: ATI Mobility Radeon HD 4870
GPU 2: NVIDIA GeForce 7800 GT
PassMark - G3D Mark |
|
|
||||
PassMark - G2D Mark |
|
|
Name | ATI Mobility Radeon HD 4870 | NVIDIA GeForce 7800 GT |
---|---|---|
PassMark - G3D Mark | 720 | 244 |
PassMark - G2D Mark | 416 | 273 |
GFXBench 4.0 - T-Rex (Frames) | 3350 | |
GFXBench 4.0 - T-Rex (Fps) | 3350 |
Compare specifications (specs)
ATI Mobility Radeon HD 4870 | NVIDIA GeForce 7800 GT | |
---|---|---|
Essentials |
||
Architecture | TeraScale | Curie |
Code name | M98 | G70 |
Launch date | 9 January 2009 | 11 August 2005 |
Place in performance rating | 593 | 596 |
Type | Laptop | Desktop |
Launch price (MSRP) | $449 | |
Price now | $80 | |
Value for money (0-100) | 3.16 | |
Technical info |
||
Core clock speed | 550 MHz | 400 MHz |
Floating-point performance | 880.0 gflops | |
Manufacturing process technology | 55 nm | 110 nm |
Pipelines | 800 | |
Texture fill rate | 22 GTexel / s | 8 GTexel / s |
Transistor count | 956 million | 302 million |
Thermal Design Power (TDP) | 65 Watt | |
Video outputs and ports |
||
Display Connectors | No outputs | 2x DVI, 1x S-Video |
Compatibility, dimensions and requirements |
||
Interface | PCIe 2.0 x16 | PCIe 1.0 x16 |
Laptop size | large | |
Length | 226 mm | |
Supplementary power connectors | 1x 6-pin | |
API support |
||
DirectX | 10.1 | 9.0c |
OpenGL | 3.3 | 2.1 |
Memory |
||
Maximum RAM amount | 512 MB | 256 MB |
Memory bandwidth | 56.8 GB / s | 32.0 GB / s |
Memory bus width | 256 Bit | 256 Bit |
Memory clock speed | 1776 MHz | 1000 MHz |
Memory type | GDDR5 | GDDR3 |
Shared memory | 0 | |
Technologies |
||
1x Dual-Link/Single-Link DVI | ||
1x Single-Link DVI Support (all display ports have to be supported by the laptop manufacturer) | ||
DisplayPort support up to 2560x1600 | ||
HDMI support up to 1920x1080 (both with 7.1 AC3 Audio) | ||
PCI-E 2.0 x16 | ||
Powerplay |