Radeon HD 7790 and Radeon HD 6790 - video card comparison
Passmark - benchmark score Radeon HD 7790 vs Radeon HD 6790
Radeon HD 7790
3183
Radeon HD 6790
1664
Radeon HD 7790
Radeon HD 6790
Architecture
GCN 2.0 (2013−2017)
Terascale 2 (2009−2015)
GPU code name
Bonaire
Barts
Market segment
Desktop
Desktop
Release date
March 2013
April 2011
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
2x 6-pin
Core clock speed
1000 MHz
840 MHz
Floating-point performance
1,792 gflops
1,344.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
2,080 million
1,700 million
Pipelines / CUDA cores
896
800
Power consumption (TDP)
85 Watt
150 Watt
Texture fill rate
56.00
33.60
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
1 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
6000 MHz
1050 MHz
Memory bandwidth
96 GB/s
134.4 GB/s
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
2x DVI, 1x HDMI, 1x DisplayPort
HDMI
+
+
DirectX
12 (12_0)
11.2 (11_0)
OpenCL
2.0
1.2
OpenGL
4.6
4.4
Shader Model
6.3
5.0
Vulkan
1.2.131
N/A