Radeon HD 7790 and Radeon R9 280X2 - video card comparison
Radeon HD 7790
Radeon R9 280X2
Architecture
GCN 2.0 (2013−2017)
GCN 1.0 (2012−2020)
GPU code name
Bonaire
Tahiti
Market segment
Desktop
Desktop
Release date
March 2013
-
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin
3x 8-pin
Boost clock speed
-
1000 MHz
Core clock speed
1000 MHz
-
Floating-point performance
1,792 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,080 million
4,313 million
Pipelines / CUDA cores
896
2048
Power consumption (TDP)
85 Watt
375 Watt
Texture fill rate
56.00
128.0
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
3 GB
Memory bus width
128 Bit
384 Bit
Memory clock speed
6000 MHz
6 GB/s
Memory bandwidth
96 GB/s
288.0 GB/s
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
6x mini-DisplayPort 1.2
HDMI
+
-
DirectX
12 (12_0)
12 (11_1)
OpenCL
2.0
2.1 (1.2)
OpenGL
4.6
4.6
Shader Model
6.3
6.5 (5.1)
Vulkan
1.2.131
1.2.170