Radeon HD 6790 and GeForce 315 OEM - video card comparison
Radeon HD 6790
GeForce 315 OEM
Architecture
Terascale 2 (2009−2015)
Tesla 2.0 (2007−2013)
GPU code name
Barts
GT216
Market segment
Desktop
Desktop
Release date
April 2011
March 2010
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
None
Core clock speed
840 MHz
475 MHz
Floating-point performance
1,344.0 gflops
105.6 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
1,700 million
486 million
Pipelines / CUDA cores
800
48
Power consumption (TDP)
150 Watt
33 Watt
Texture fill rate
33.60
7.600
Memory type
GDDR5
DDR3
Maximum RAM amount
1 GB
512 MB
Memory bus width
256 Bit
64 Bit
Memory clock speed
1050 MHz
1580 MHz
Memory bandwidth
134.4 GB/s
12.64 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x HDMI, 1x VGA
HDMI
+
+
DirectX
11.2 (11_0)
11.1 (10_1)
CUDA
-
1.2
OpenCL
1.2
1.1
OpenGL
4.4
3.3
Shader Model
5.0
4.1
Vulkan
N/A
N/A