Radeon HD 4855 and GeForce RTX 3070 Ti - video card comparison
Radeon HD 4855
GeForce RTX 3070 Ti
Architecture
TeraScale (2005−2013)
Ampere (2020−2022)
GPU code name
RV770
Ampere GA104
Market segment
Desktop
Desktop
Release date
January 2010
May 2021
Interface
PCIe 2.0 x16
PCIe 4.0 x16
Supplementary power connectors
1x 6-pin
1x 12-pin
Boost clock speed
-
1770 MHz
Core clock speed
575 MHz
1575 MHz
Floating-point performance
736.0 gflops
-
Manufacturing process technology
55 nm
8 nm
Number of transistors
956 million
17,400 million
Pipelines / CUDA cores
640
6144
Power consumption (TDP)
110 Watt
290 Watt
Texture fill rate
18.40
339.8
Memory type
GDDR5
GDDR6X
Maximum RAM amount
512 MB
8 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
3600 MHz
19000 MHz
Memory bandwidth
115.2 GB/s
608.3 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x VGA
1x HDMI, 3x DisplayPort
HDMI
+
+
DirectX
10.1 (10_1)
12 Ultimate (12_2)
CUDA
-
8.6
OpenCL
1.1
3.0
OpenGL
3.3
4.6
Shader Model
4.1
6.6
Vulkan
N/A
1.2