Radeon HD 6790 and GeForce 7800 GTX - video card comparison
Passmark - benchmark score Radeon HD 6790 vs GeForce 7800 GTX
Radeon HD 6790
1664
GeForce 7800 GTX
299
Radeon HD 6790
GeForce 7800 GTX
Architecture
Terascale 2 (2009−2015)
Curie (2003−2013)
GPU code name
Barts
G70
Market segment
Desktop
Desktop
Release date
April 2011
June 2005
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Supplementary power connectors
2x 6-pin
-
Core clock speed
840 MHz
430 MHz
Floating-point performance
1,344.0 gflops
-
Manufacturing process technology
40 nm
110 nm
Number of transistors
1,700 million
302 million
Pipelines / CUDA cores
800
-
Power consumption (TDP)
150 Watt
86 Watt
Texture fill rate
33.60
10.32
Memory type
GDDR5
GDDR3
Maximum RAM amount
1 GB
256 MB
Memory bus width
256 Bit
256 Bit
Memory clock speed
1050 MHz
1200 MHz
Memory bandwidth
134.4 GB/s
38.4 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
2x DVI, 1x S-Video
HDMI
+
-
DirectX
11.2 (11_0)
9.0c (9_3)
OpenCL
1.2
N/A
OpenGL
4.4
2.1
Shader Model
5.0
3.0
Vulkan
N/A
N/A