Radeon HD 7790 and GeForce GTX 850M - video card comparison
Passmark - benchmark score Radeon HD 7790 vs GeForce GTX 850M
Radeon HD 7790
3183
GeForce GTX 850M
2591
Radeon HD 7790
GeForce GTX 850M
Architecture
GCN 2.0 (2013−2017)
Maxwell (2014−2018)
GPU code name
Bonaire
N15P-GT
Market segment
Desktop
Laptop
Release date
March 2013
March 2014
Bus support
-
PCI Express 2.0, PCI Express 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin
-
SLI options
-
+
Core clock speed
1000 MHz
Up to 936 MHz
CUDA cores
-
640
Floating-point performance
1,792 gflops
1,155 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,080 million
1,870 million
Pipelines / CUDA cores
896
640
Power consumption (TDP)
85 Watt
45 Watt
Texture fill rate
56.00
36.08
Memory type
GDDR5
DDR3, GDDR5
Maximum RAM amount
1 GB
4 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
6000 MHz
Up to 2500 MHz
Memory bandwidth
96 GB/s
80.0 GB/s
Shared memory
-
-
Standard memory configuration
-
DDR3 or GDDR5
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
No outputs
eDP 1.2 signal support
-
Up to 3840x2160
LVDS signal support
-
Up to 1920x1200
VGA аnalog display support
-
Up to 2048x1536
DisplayPort Multimode (DP++) support
-
Up to 3840x2160
HDCP content protection
-
+
HDMI
+
+
7.1 channel HD audio on HDMI
-
+
DirectX
12 (12_0)
12 (11_0)
CUDA
-
+
OpenCL
2.0
1.1
OpenGL
4.6
4.5
Shader Model
6.3
5.1
Vulkan
1.2.131
1.1.126
Ansel
-
+
H.264, VC1, MPEG2 1080p video decoder
-
+
Optimus
-
+
TrueHD and DTS-HD audio bitstreaming
-
+