Radeon HD 8790M and GeForce GTS 450 - video card comparison
Passmark - benchmark score Radeon HD 8790M vs GeForce GTS 450
Radeon HD 8790M
1344
GeForce GTS 450
1359
Radeon HD 8790M
GeForce GTS 450
Architecture
GCN (2011−2017)
Fermi (2010−2014)
GPU code name
Mars XTX
GF106
Market segment
Laptop
Desktop
Release date
November 2012
September 2010
Bus support
-
PCI-E 2.0 x 16
Interface
MXM-A (3.0)
PCIe 2.0 x16
Supplementary power connectors
None
6-pin
SLI options
-
+
Boost clock speed
900 MHz
-
Core clock speed
850 MHz
783 MHz
CUDA cores
-
192
Floating-point performance
691.2 gflops
601.3 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
950 million
1,170 million
Pipelines / CUDA cores
384
192
Power consumption (TDP)
unknown
106 Watt
Maximum GPU temperature
-
100 °C
Texture fill rate
21.60
25.1 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
1 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
4500 MHz
1804 (3608 data rate) MHz
Memory bandwidth
64 GB/s
57.7 GB/s
Shared memory
-
-
Display Connectors
No outputs
Mini HDMITwo Dual Link DVI
HDMI
-
+
Maximum VGA resolution
-
2048x1536
Audio input for HDMI
-
Internal
DirectX
12 (11_1)
12 (11_0)
CUDA
-
+
OpenCL
1.2
1.1
OpenGL
4.6
4.2
Shader Model
5.1
5.1
Vulkan
1.2.131
N/A