
GeForce 7800 GT and Radeon HD 3870 - video card comparison
Passmark - benchmark score GeForce 7800 GT vs Radeon HD 3870
GeForce 7800 GT
251
Radeon HD 3870
572
GeForce 7800 GT
Radeon HD 3870
Architecture
Curie (2003−2013)
TeraScale (2005−2013)
GPU code name
G70
RV670
Market segment
Desktop
Desktop
Release date
August 2005
November 2007
Interface
PCIe 1.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
1x 6-pin
Core clock speed
400 MHz
777 MHz
Floating-point performance
-
497.3 gflops
Manufacturing process technology
110 nm
55 nm
Number of transistors
302 million
666 million
Pipelines / CUDA cores
-
320
Power consumption (TDP)
65 Watt
106 Watt
Texture fill rate
8.000
12.43
Memory type
GDDR3
GDDR4
Maximum RAM amount
256 MB
512 MB
Memory bus width
256 Bit
256 Bit
Memory clock speed
1000 MHz
2252 MHz
Memory bandwidth
32 GB/s
72.06 GB/s
Display Connectors
2x DVI, 1x S-Video
2x DVI, 1x S-Video
DirectX
9.0c (9_3)
10.1 (10_1)
OpenCL
N/A
N/A
OpenGL
2.1
3.3
Shader Model
3.0
4.1
Vulkan
N/A
N/A