Radeon HD 8400 and GeForce GTX 780 6 GB - video card comparison
Radeon HD 8400
GeForce GTX 780 6 GB
Architecture
GCN (2011−2017)
Kepler (2012−2018)
GPU code name
Kabini
GK110B
Market segment
Laptop
Desktop
Release date
May 2013
September 2013
Interface
IGP
PCIe 3.0 x16
Supplementary power connectors
-
1x 6-pin + 1x 8-pin
Boost clock speed
-
902 MHz
Core clock speed
600 MHz
863 MHz
Floating-point performance
-
4,156 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,178 million
7,080 million
Pipelines / CUDA cores
128
2304
Power consumption (TDP)
25 Watt
250 Watt
Texture fill rate
3.200
173.2
Memory type
System Shared
GDDR5
Maximum RAM amount
System Shared
6 GB
Memory bus width
System Shared
384 Bit
Memory clock speed
System Shared
6008 MHz
Memory bandwidth
-
288.4 GB/s
Shared memory
+
-
Display Connectors
No outputs
2x DVI, 1x HDMI, 1x DisplayPort
HDMI
-
+
DirectX
12 (12_0)
12 (11_1)
CUDA
-
3.5
OpenCL
2.0
1.2
OpenGL
4.6
4.6
Shader Model
6.3
5.1
Vulkan
1.2.131
1.1.126