Radeon HD 4870 and GeForce GTX 950M - video card comparison
Passmark - benchmark score Radeon HD 4870 vs GeForce GTX 950M
Radeon HD 4870
1411
GeForce GTX 950M
2663
Radeon HD 4870
GeForce GTX 950M
Architecture
TeraScale (2005−2013)
Maxwell (2014−2018)
GPU code name
RV770
N16P-GT
Market segment
Desktop
Laptop
Release date
June 2008
March 2015
Bus support
-
PCI Express 3.0
Interface
PCIe 2.0 x16
PCIe 3.0 x8
Supplementary power connectors
2x 6-pin
-
SLI options
-
+
Boost clock speed
-
1124 MHz
Core clock speed
750 MHz
914 MHz
CUDA cores
-
640
Floating-point performance
1,200.0 gflops
1,439 gflops
Manufacturing process technology
55 nm
28 nm
Number of transistors
956 million
1,870 million
Pipelines / CUDA cores
800
640
Power consumption (TDP)
150 Watt
75 Watt
Texture fill rate
30.00
44.96
Memory type
GDDR5
DDR3 or GDDR5
Maximum RAM amount
1 GB
4 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
3600 MHz
1000 or 2500 MHz
Memory bandwidth
115.2 GB/s
32 or 80 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x S-Video
No outputs
VGA аnalog display support
-
+
DisplayPort Multimode (DP++) support
-
+
HDMI
-
+
DirectX
10.1 (10_1)
12 (11_0)
CUDA
-
+
OpenCL
1.1
1.2
OpenGL
3.3
4.5
Shader Model
4.1
5.1
Vulkan
N/A
1.1.126
Ansel
-
+
BatteryBoost
-
+
GameStream
-
+
GameWorks
-
+
GeForce ShadowPlay
-
+
GPU Boost
-
2.0
H.264, VC1, MPEG2 1080p video decoder
-
+
Optimus
-
+