Radeon HD 7770 and Radeon RX 6600M - video card comparison
Passmark - benchmark score Radeon HD 7770 vs Radeon RX 6600M
Radeon HD 7770
2235
Radeon RX 6600M
14089
Radeon HD 7770
Radeon RX 6600M
Architecture
GCN (2011−2017)
RDNA 2 (2020−2022)
GPU code name
Cape Verde
R21M-E65-70
Market segment
Desktop
Laptop
Release date
February 2012
September 2020
Interface
PCIe 3.0 x16
PCIe 4.0 x8
Supplementary power connectors
1x 6-pin
None
Boost clock speed
-
2177 MHz
Core clock speed
1000 MHz
2068 MHz
Manufacturing process technology
28 nm
7 nm
Number of transistors
1,500 million
11,060 million
Pipelines / CUDA cores
640
1792
Power consumption (TDP)
80 Watt
100 Watt (50 - 100 Watt TGP)
Texture fill rate
40.00
235.8
Memory type
GDDR5
GDDR6
Maximum RAM amount
2 GB
8 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
4500 MHz
14000 MHz
Memory bandwidth
72 GB/s
256.0 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
No outputs
Eyefinity
+
-
HDMI
+
-
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenCL
1.2
2.1
OpenGL
4.6
4.6
Shader Model
5.1
6.5
Vulkan
1.2.131
1.2