Quadro K4000 and Radeon HD 4850 X2 - video card comparison
Passmark - benchmark score Quadro K4000 vs Radeon HD 4850 X2
Quadro K4000
2806
Radeon HD 4850 X2
1166
Quadro K4000
Radeon HD 4850 X2
Architecture
Kepler (2012−2018)
TeraScale (2005−2013)
GPU code name
GK106
R700
Market segment
Workstation
Desktop
Release date
March 2013
November 2008
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
1x 6-pin + 1x 8-pin
Core clock speed
810 MHz
625 MHz
Floating-point performance
1,244 gflops
2x 1,000.0 gflops
Manufacturing process technology
28 nm
55 nm
Number of transistors
2,540 million
956 million
Pipelines / CUDA cores
768
800
Power consumption (TDP)
80 Watt
250 Watt
Texture fill rate
51.84
25.00
Memory type
GDDR5
GDDR3
Maximum RAM amount
3 GB
512 MB
Memory bus width
192 Bit
256 Bit
Memory clock speed
5616 MHz
1990 MHz
Memory bandwidth
134.8 GB/s
63.68 GB/s
Display Connectors
1x DVI, 2x DisplayPort
4x DVI, 1x S-Video
DirectX
12 (11_0)
10.1 (10_1)
CUDA
3.0
-
OpenCL
1.2
1.1
OpenGL
4.6
3.3
Shader Model
5.1
4.1
Vulkan
+
N/A