Radeon RX Vega 64 and GeForce GT 645M - video card comparison
Passmark - benchmark score Radeon RX Vega 64 vs GeForce GT 645M
Radeon RX Vega 64
14787
GeForce GT 645M
957
Radeon RX Vega 64
GeForce GT 645M
Architecture
Vega (2017−2021)
Kepler (2012−2018)
GPU code name
Vega
N13P-GS
Market segment
Desktop
Laptop
Release date
August 2017
March 2012
Bus support
-
PCI Express 2.0, PCI Express 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
2x 8-pin
-
Boost clock speed
1546 MHz
-
Core clock speed
1630 MHz
Up to 710 MHz
CUDA cores
-
384
Floating-point performance
13,353 gflops
544.5 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
32 Watt
Texture fill rate
395.8
22.7 billion/sec
Memory type
HBM2
DDR3\GDDR5
Maximum RAM amount
8 GB
2 GB
Memory bus width
2048 Bit
128bit
Memory clock speed
945 MHz
1800 MHz
Memory bandwidth
483.8 GB/s
Up to 64.0 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
No outputs
HDMI
+
+
HDCP
-
+
Maximum VGA resolution
-
Up to 2048x1536
DirectX
12 (12_1)
12 API
CUDA
-
+
OpenCL
2.0
1.1
OpenGL
4.6
4.5
Shader Model
6.4
5.1
Vulkan
1.1.125
1.1.126
3D Blu-Ray
-
+
Optimus
-
+