
Radeon RX Vega 64 and GeForce GT 640 - video card comparison
Passmark - benchmark score Radeon RX Vega 64 vs GeForce GT 640
Radeon RX Vega 64
14789
GeForce GT 640
1210
Radeon RX Vega 64
GeForce GT 640
Architecture
Vega (2017−2021)
Kepler (2012−2018)
GPU code name
Vega
GK107
Market segment
Desktop
Desktop
Release date
August 2017
June 2012
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
2x 8-pin
None
Boost clock speed
1546 MHz
-
Core clock speed
1630 MHz
902 MHz
Floating-point performance
13,353 gflops
692.7 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
12,500 million
1,270 million
Pipelines / CUDA cores
4096
384
Power consumption (TDP)
295 Watt
65 Watt
Texture fill rate
395.8
28.86
Memory type
HBM2
DDR3
Maximum RAM amount
8 GB
2 GB
Memory bus width
2048 Bit
128 Bit
Memory clock speed
945 MHz
1782 MHz
Memory bandwidth
483.8 GB/s
28.51 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
1x DVI, 1x HDMI, 1x DisplayPort
HDMI
+
+
DirectX
12 (12_1)
12 (11_0)
CUDA
-
3.0
OpenCL
2.0
1.2
OpenGL
4.6
4.6
Shader Model
6.4
5.1
Vulkan
1.1.125
1.1.126