GeForce GTX 470 and GeForce 820A - video card comparison
Passmark - benchmark score GeForce GTX 470 vs GeForce 820A
GeForce GTX 470
3199
GeForce 820A
572
GeForce GTX 470
GeForce 820A
Architecture
Fermi (2010−2014)
Fermi 2.0 (2010−2014)
GPU code name
GF100
GF117
Market segment
Desktop
Desktop
Release date
April 2010
March 2014
Bus support
16x PCI-E 2.0
-
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
Two 6-pins
-
SLI options
+
-
Core clock speed
607 MHz
775 MHz
CUDA cores
448
-
Floating-point performance
1,088.6 gflops
297.6 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
3,100 million
585 million
Pipelines / CUDA cores
448
96
Power consumption (TDP)
225 Watt
15 Watt
Maximum GPU temperature
105 °C
-
Texture fill rate
34.0 billion/sec
12.40
Memory type
GDDR5
DDR3
Maximum RAM amount
1280 MB
1 GB
Memory bus width
320 Bit
64 Bit
Memory clock speed
1674 MHz (3348 data rate)
1800 MHz
Memory bandwidth
133.9 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
Two Dual Link DVIMini HDMI
No outputs
Multi monitor support
+
-
HDMI
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
12 (11_0)
CUDA
+
2.1
OpenCL
1.1
1.1
OpenGL
4.2
4.6
Shader Model
5.1
5.1
Vulkan
N/A
N/A