Radeon HD 7950 and GeForce GTX 850M - video card comparison
Passmark - benchmark score Radeon HD 7950 vs GeForce GTX 850M
Radeon HD 7950
4907
GeForce GTX 850M
2591
Radeon HD 7950
GeForce GTX 850M
Architecture
GCN 1.0 (2012−2020)
Maxwell (2014−2018)
GPU code name
Tahiti
N15P-GT
Market segment
Desktop
Laptop
Release date
January 2012
March 2014
Bus support
PCIe 3.0 x16
PCI Express 2.0, PCI Express 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
2x 6-pin
-
SLI options
-
+
Boost clock speed
1250 MHz
-
Compute units
28
-
Core clock speed
-
Up to 936 MHz
CUDA cores
-
640
Floating-point performance
2,867 gflops
1,155 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
4,313 million
1,870 million
Pipelines / CUDA cores
1792
640
Power consumption (TDP)
200 Watt
45 Watt
Texture fill rate
89.60
36.08
Memory type
GDDR5
DDR3, GDDR5
Maximum RAM amount
3 GB
4 GB
Memory bus width
384 Bit
128 Bit
Memory clock speed
1250 MHz
Up to 2500 MHz
Memory bandwidth
240 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
Eyefinity
1
-
Number of Eyefinity displays
6
-
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
-
+
DisplayPort support
-
-
DirectX
DirectX® 11
12 (11_0)
CUDA
-
+
Mantle
-
-
OpenCL
1.2
1.1
OpenGL
4.6
4.5
Shader Model
5.1
5.1
Vulkan
-
1.1.126
Ansel
-
+
AppAcceleration
+
-
CrossFire
1
-
Enduro
-
-
FreeSync
1
-
H.264, VC1, MPEG2 1080p video decoder
-
+
HD3D
-
-
Optimus
-
+
PowerTune
+
-
TrueAudio
-
-
TrueHD and DTS-HD audio bitstreaming
-
+
ZeroCore
+
-