Radeon HD 7870 and Quadro K4000 - video card comparison
Passmark - benchmark score Radeon HD 7870 vs Quadro K4000
Radeon HD 7870
4779
Quadro K4000
2806
Radeon HD 7870
Quadro K4000
Architecture
GCN (2011−2017)
Kepler (2012−2018)
GPU code name
Pitcairn XT
GK106
Market segment
Desktop
Workstation
Release date
March 2012
March 2013
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
1x 6-pin
Core clock speed
1000 MHz
810 MHz
Floating-point performance
-
1,244 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2800 Million
2,540 million
Pipelines / CUDA cores
1280
768
Power consumption (TDP)
175 Watt
80 Watt
Texture fill rate
80.00
51.84
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
3 GB
Memory bus width
256 Bit
192 Bit
Memory clock speed
4800 MHz
5616 MHz
Memory bandwidth
153.6 GB/s
134.8 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
1x DVI, 2x DisplayPort
Eyefinity
+
-
HDMI
+
-
DirectX
12 (11_1)
12 (11_0)
CUDA
-
3.0
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
1.2.131
+