GeForce GTX 950 and Radeon HD 3870 - video card comparison
Passmark - benchmark score GeForce GTX 950 vs Radeon HD 3870
GeForce GTX 950
5498
Radeon HD 3870
572
GeForce GTX 950
Radeon HD 3870
Architecture
Maxwell (2014−2018)
TeraScale (2005−2013)
GPU code name
GM206
RV670
Market segment
Desktop
Desktop
Release date
August 2015
November 2007
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Recommended system power (PSU)
350 Watt
-
Supplementary power connectors
1x 6-pins
1x 6-pin
SLI options
+
-
Boost clock speed
1188 MHz
-
Core clock speed
1024 MHz
777 MHz
CUDA cores
768
-
Floating-point performance
1,825 gflops
497.3 gflops
Manufacturing process technology
28 nm
55 nm
Number of transistors
2,940 million
666 million
Pipelines / CUDA cores
768
320
Power consumption (TDP)
90 Watt
106 Watt
Texture fill rate
49.2 billion/sec
12.43
Memory type
GDDR5
GDDR4
Maximum RAM amount
2 GB
512 MB
Memory bus width
128 Bit
256 Bit
Memory clock speed
6.6 GB/s
2252 MHz
Memory bandwidth
105.6 GB/s
72.06 GB/s
Shared memory
-
-
Display Connectors
Dual Link DVI-I, HDMI 2.0, 3x DisplayPort 1.2
2x DVI, 1x S-Video
Multi monitor support
4 displays
-
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
2048x1536
-
G-SYNC support
+
-
Audio input for HDMI
Internal
-
DirectX
12 (12_1)
10.1 (10_1)
CUDA
+
-
OpenCL
1.2
N/A
OpenGL
4.5
3.3
Shader Model
6.4
4.1
Vulkan
1.1.126
N/A
GameStream
+
-
GameWorks
+
-
GeForce ShadowPlay
+
-
GPU Boost
2.0
-