Radeon X1600 XT Dual and Radeon RX 640 - video card comparison
Radeon X1600 XT Dual
Radeon RX 640
Architecture
Ultra-Threaded SE
Polaris (2016−2019)
GPU code name
RV530
Polaris 12
Market segment
Desktop
Laptop
Release date
-
August 2019
Interface
PCIe 1.0 x16
PCIe 3.0 x8
Supplementary power connectors
1x Molex
None
Boost clock speed
-
1218 MHz
Core clock speed
590 MHz
1218 MHz
Manufacturing process technology
90 nm
14 nm
Number of transistors
157 million
2,200 million
Pipelines / CUDA cores
-
640
Power consumption (TDP)
-
50 Watt
Texture fill rate
2.360
38.98
Memory type
GDDR3
GDDR5
Maximum RAM amount
256 MB
4 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
1380 MBps
6000 MHz
Memory bandwidth
22.08 GB/s
112.0 GB/s
Shared memory
-
-
Display Connectors
2x DVI
1x DVI, 1x HDMI, 1x DisplayPort
HDMI
-
+
DirectX
9.0c (9_3)
12 (12_0)
OpenCL
N/A
2.0
OpenGL
2.1
4.6
Shader Model
3.0
6.4
Vulkan
N/A
1.2.131
FreeSync
-
+