Radeon E8870 and GeForce 7800 GT Dual - video card comparison
Radeon E8870
GeForce 7800 GT Dual
Architecture
GCN 2.0 (2013−2017)
Curie (2003−2013)
GPU code name
Saturn
G70
Market segment
Desktop
Desktop
Release date
September 2015
August 2005
Interface
MXM-B (3.0)
PCIe 1.0 x16
Supplementary power connectors
None
1x 6-pin
Core clock speed
1000 MHz
400 MHz
Floating-point performance
1,536 gflops
-
Manufacturing process technology
28 nm
110 nm
Number of transistors
2,080 million
302 million
Pipelines / CUDA cores
768
-
Power consumption (TDP)
75 Watt
-
Texture fill rate
48.00
8.000
Memory type
GDDR5
GDDR3
Maximum RAM amount
4 GB
256 MB
Memory bus width
128 Bit
256 Bit
Memory clock speed
6000 MHz
1000 MHz
Memory bandwidth
96 GB/s
32 GB/s
Display Connectors
No outputs
2x DVI, 1x S-Video
DirectX
12 (12_0)
9.0c (9_3)
OpenCL
2.0
N/A
OpenGL
4.6
2.1
Shader Model
6.3
3.0
Vulkan
1.2.131
N/A