Radeon HD 7770 and Quadro P400 - video card comparison
Passmark - benchmark score Radeon HD 7770 vs Quadro P400
Radeon HD 7770
2235
Quadro P400
1690
Radeon HD 7770
Quadro P400
Architecture
GCN (2011−2017)
Pascal (2016−2021)
GPU code name
Cape Verde
GP107
Market segment
Desktop
Workstation
Release date
February 2012
February 2017
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin
None
Boost clock speed
-
1252 MHz
Core clock speed
1000 MHz
1228 MHz
Floating-point performance
-
679.9 gflops
Manufacturing process technology
28 nm
14 nm
Number of transistors
1,500 million
3,300 million
Pipelines / CUDA cores
640
256
Power consumption (TDP)
80 Watt
30 Watt
Texture fill rate
40.00
20.03
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
4500 MHz
4008 MHz
Memory bandwidth
72 GB/s
32.06 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
3x mini-DisplayPort
Eyefinity
+
-
HDMI
+
-
DirectX
12 (11_1)
12 (12_1)
CUDA
-
6.1
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
6.4
Vulkan
1.2.131
1.2.131