Radeon HD 7850 and GeForce 830M - video card comparison
Passmark - benchmark score Radeon HD 7850 vs GeForce 830M
Radeon HD 7850
3976
GeForce 830M
1038
Radeon HD 7850
GeForce 830M
Architecture
GCN 1.0 (2012−2020)
Maxwell (2014−2018)
GPU code name
Pitcairn
N15?
Market segment
Desktop
Laptop
Release date
March 2012
March 2014
Bus support
PCIe 2.1 x16
PCI Express 2.0, PCI Express 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
1x 6-pin
-
Boost clock speed
1000 MHz
1150 MHz
Core clock speed
-
1029 MHz
Floating-point performance
1,761 gflops
588.8 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,800 million
-
Pipelines / CUDA cores
1024
256
Power consumption (TDP)
130 Watt
33 Watt
Texture fill rate
55.04
18.40
Memory type
GDDR5
DDR3
Maximum RAM amount
2 GB
2 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
1200 MHz
1800 MHz
Memory bandwidth
153.6 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
No outputs
Eyefinity
1
-
HDMI
+
-
DisplayPort support
-
-
DirectX
12
12 (11_0)
CUDA
-
+
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.6
4.5
Shader Model
5.1
5.1
Vulkan
+
1.1.126
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
FreeSync
1
-
GameWorks
-
+
GPU Boost
-
2.0
HD3D
-
-
Optimus
-
+
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-