Radeon HD 4870 and GeForce GT 520 - video card comparison
Passmark - benchmark score Radeon HD 4870 vs GeForce GT 520
Radeon HD 4870
1411
GeForce GT 520
318
Radeon HD 4870
GeForce GT 520
Architecture
TeraScale (2005−2013)
Fermi 2.0 (2010−2014)
GPU code name
RV770
GF119
Market segment
Desktop
Desktop
Release date
June 2008
April 2011
Bus support
-
16x PCI-E 2.0
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
None
Core clock speed
750 MHz
810 MHz
CUDA cores
-
48
Floating-point performance
1,200.0 gflops
155.52 gflops
Manufacturing process technology
55 nm
40 nm
Number of transistors
956 million
292 million
Pipelines / CUDA cores
800
48
Power consumption (TDP)
150 Watt
29 Watt
Maximum GPU temperature
-
102 °C
Texture fill rate
30.00
6.5 billion/sec
Memory type
GDDR5
DDR3
Maximum RAM amount
1 GB
1 GB (DDR3)
Memory bus width
256 Bit
64 Bit
Memory clock speed
3600 MHz
900 MHz (DDR3)
Memory bandwidth
115.2 GB/s
14.4 GB/s
Display Connectors
2x DVI, 1x S-Video
Dual Link DVI-IHDMIVGA (optional)
Multi monitor support
-
+
HDMI
-
+
Maximum VGA resolution
-
2048x1536
Audio input for HDMI
-
Internal
DirectX
10.1 (10_1)
12 (11_0)
CUDA
-
+
OpenCL
1.1
1.1
OpenGL
3.3
4.2
Shader Model
4.1
5.1
Vulkan
N/A
N/A