GeForce 8400 and Radeon RX Vega 64 Liquid Cooling - video card comparison
GeForce 8400
Radeon RX Vega 64 Liquid Cooling
Architecture
Tesla (2006−2010)
GCN 5.0 (2017−2020)
GPU code name
G98
Vega 10
Market segment
Desktop
Desktop
Release date
December 2007
August 2017
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
2x 8-pin
Boost clock speed
-
1668 MHz
Core clock speed
540 MHz
1408 MHz
Floating-point performance
20.8 gflops
14,336 gflops
Manufacturing process technology
65 nm
14 nm
Number of transistors
210 million
12,500 million
Pipelines / CUDA cores
8
4096
Power consumption (TDP)
25 Watt
345 Watt
Texture fill rate
4.320
427.0
Memory type
DDR2
HBM2
Maximum RAM amount
256 MB
8 GB
Memory bus width
64 Bit
2048 Bit
Memory clock speed
1000 MHz
1890 MHz
Memory bandwidth
8 GB/s
483.8 GB/s
Display Connectors
1x DVI, 1x VGA, 1x S-Video
1x HDMI, 3x DisplayPort
HDMI
-
+
DirectX
11.1 (10_0)
12 (12_1)
CUDA
1.1
-
OpenCL
1.1
2.0
OpenGL
3.3
4.6
Shader Model
4.0
6.4
Vulkan
N/A
1.1.125