Radeon HD 6790 and GeForce GTS 450 - video card comparison
Passmark - benchmark score Radeon HD 6790 vs GeForce GTS 450
Radeon HD 6790
1664
GeForce GTS 450
1359
Radeon HD 6790
GeForce GTS 450
Architecture
Terascale 2 (2009−2015)
Fermi (2010−2014)
GPU code name
Barts
GF106
Market segment
Desktop
Desktop
Release date
April 2011
September 2010
Bus support
-
PCI-E 2.0 x 16
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
6-pin
SLI options
-
+
Core clock speed
840 MHz
783 MHz
CUDA cores
-
192
Floating-point performance
1,344.0 gflops
601.3 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
1,700 million
1,170 million
Pipelines / CUDA cores
800
192
Power consumption (TDP)
150 Watt
106 Watt
Maximum GPU temperature
-
100 °C
Texture fill rate
33.60
25.1 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
1 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
1050 MHz
1804 (3608 data rate) MHz
Memory bandwidth
134.4 GB/s
57.7 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
Mini HDMITwo Dual Link DVI
HDMI
+
+
Maximum VGA resolution
-
2048x1536
Audio input for HDMI
-
Internal
DirectX
11.2 (11_0)
12 (11_0)
CUDA
-
+
OpenCL
1.2
1.1
OpenGL
4.4
4.2
Shader Model
5.0
5.1
Vulkan
N/A
N/A