Radeon HD 8770M and GeForce RTX 3070 Mobile - video card comparison
Radeon HD 8770M
GeForce RTX 3070 Mobile
Architecture
GCN (2011−2017)
Ampere (2020−2022)
GPU code name
Mars
GN20-E5 GA104
Market segment
Laptop
Laptop
Release date
November 2012
January 2021
Interface
PCIe 3.0 x8
PCIe 4.0 x16
Boost clock speed
825 MHz
1290 - 1620 MHz
Core clock speed
775 MHz
780 - 1100 MHz
Floating-point performance
633.6 gflops
-
Manufacturing process technology
28 nm
8 nm
Number of transistors
950 million
17,400 million
Pipelines / CUDA cores
384
5120
Power consumption (TDP)
-
125 Watt
Texture fill rate
19.80
287.0
Memory type
GDDR5
GDDR6
Maximum RAM amount
2 GB
8 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
4500 MHz
14000 MHz
Memory bandwidth
72 GB/s
320.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x HDMI, 3x DisplayPort
HDMI
-
+
DirectX
12 (11_1)
12 Ultimate (12_2)
CUDA
-
8.5
OpenCL
1.2
2.0
OpenGL
4.6
4.6
Shader Model
5.1
6.5
Vulkan
1.2.131
1.2