Radeon HD 7870 XT and Spectre Lite - video card comparison
Radeon HD 7870 XT
Spectre Lite
Architecture
GCN 1.0 (2012−2020)
GCN 2.0 (2013−2017)
GPU code name
Tahiti
Spectre Lite
Market segment
Desktop
Desktop
Release date
November 2012
-
Interface
PCIe 3.0 x16
-
Supplementary power connectors
2x 6-pin
-
Boost clock speed
975 MHz
-
Core clock speed
925 MHz
-
Floating-point performance
2,995 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
4,313 million
2,410 million
Pipelines / CUDA cores
1536
384
Power consumption (TDP)
185 Watt
-
Texture fill rate
93.60
-
Memory type
GDDR5
-
Maximum RAM amount
2 GB
-
Memory bus width
256 Bit
-
Memory clock speed
6000 MHz
-
Memory bandwidth
192.0 GB/s
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
-
HDMI
+
-
DirectX
12 (11_1)
12 (12_0)
OpenCL
1.2
2.1
OpenGL
4.6
4.6
Shader Model
5.1
6.5
Vulkan
1.2.131
1.2.170