Radeon HD 7790 and Radeon HD 7770 - video card comparison
Passmark - benchmark score Radeon HD 7790 vs Radeon HD 7770
Radeon HD 7790
3183
Radeon HD 7770
2235
Radeon HD 7790
Radeon HD 7770
Architecture
GCN 2.0 (2013−2017)
GCN (2011−2017)
GPU code name
Bonaire
Cape Verde
Market segment
Desktop
Desktop
Release date
March 2013
February 2012
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin
1x 6-pin
Core clock speed
1000 MHz
1000 MHz
Floating-point performance
1,792 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,080 million
1,500 million
Pipelines / CUDA cores
896
640
Power consumption (TDP)
85 Watt
80 Watt
Texture fill rate
56.00
40.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
2 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
6000 MHz
4500 MHz
Memory bandwidth
96 GB/s
72 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
1x DVI, 1x HDMI, 2x mini-DisplayPort
Eyefinity
-
+
HDMI
+
+
DirectX
12 (12_0)
12 (11_1)
OpenCL
2.0
1.2
OpenGL
4.6
4.6
Shader Model
6.3
5.1
Vulkan
1.2.131
1.2.131