
Radeon HD 4770 and Radeon HD 5870 - video card comparison
Passmark - benchmark score Radeon HD 4770 vs Radeon HD 5870
Radeon HD 4770
935
Radeon HD 5870
2282
Radeon HD 4770
Radeon HD 5870
Architecture
TeraScale (2005−2013)
TeraScale 2 (2009−2015)
GPU code name
RV740
Cypress
Market segment
Desktop
Desktop
Release date
April 2009
September 2009
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
2x 6-pin
Core clock speed
750 MHz
850 MHz
Floating-point performance
960.0 gflops
2,720.0 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
826 million
2,154 million
Pipelines / CUDA cores
640
1600
Power consumption (TDP)
80 Watt
188 Watt
Texture fill rate
24.00
68.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
512 MB
1 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
3200 MHz
4800 MHz
Memory bandwidth
51.2 GB/s
153.6 GB/s
Display Connectors
2x DVI, 1x S-Video
2x DVI, 1x HDMI, 1x DisplayPort
HDMI
-
+
DirectX
10.1 (10_1)
11.2 (11_0)
OpenCL
1.1
1.2
OpenGL
3.3
4.4
Shader Model
4.1
5.0
Vulkan
N/A
N/A