Radeon HD 8970 OEM and Radeon X1600 XT - video card comparison
Radeon HD 8970 OEM
Radeon X1600 XT
Architecture
GCN 1.0 (2012−2020)
R500 (2005−2007)
GPU code name
Tahiti
RV530
Market segment
Desktop
Desktop
Release date
January 2013
October 2007
Interface
PCIe 3.0 x16
PCIe 1.0 x16
Supplementary power connectors
1x 6-pin + 1x 8-pin
None
Core clock speed
925 MHz
590 MHz
Floating-point performance
3,789 gflops
-
Manufacturing process technology
28 nm
90 nm
Number of transistors
4,313 million
157 million
Pipelines / CUDA cores
2048
-
Power consumption (TDP)
250 Watt
42 Watt
Texture fill rate
118.4
2.360
Memory type
GDDR5
GDDR3
Maximum RAM amount
3 GB
256 MB
Memory bus width
384 Bit
128 Bit
Memory clock speed
5500 MHz
1380 MHz
Memory bandwidth
264.0 GB/s
22.08 GB/s
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
1x DVI, 1x VGA, 1x S-Video
HDMI
+
-
DirectX
12 (11_1)
9.0c (9_3)
OpenCL
1.2
N/A
OpenGL
4.6
2.0
Shader Model
5.1
3.0
Vulkan
1.2.131
N/A