Radeon HD 5770 and Radeon HD 7970 X2 - video card comparison
Radeon HD 5770
Radeon HD 7970 X2
Architecture
Terascale 2 (2009−2015)
GCN 1.0 (2012−2020)
GPU code name
Juniper
New Zealand
Market segment
Desktop
Desktop
Release date
October 2009
August 2012
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin
3x 8-pin
Core clock speed
850 MHz
925 MHz
Floating-point performance
1,360.0 gflops
2x 3,789 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
1,040 million
4,313 million
Pipelines / CUDA cores
800
2048
Power consumption (TDP)
108 Watt
500 Watt
Texture fill rate
34.00
118.4
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
3 GB
Memory bus width
128 Bit
384 Bit
Memory clock speed
4800 MHz
5500 MHz
Memory bandwidth
76.8 GB/s
264.0 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 4x mini-DisplayPort
HDMI
+
-
DirectX
11.2 (11_0)
12 (11_1)
OpenCL
1.2
1.2
OpenGL
4.4
4.6
Shader Model
5.0
5.1
Vulkan
N/A
1.2.131