GeForce 820M and Radeon RX 7900 XTX - video card comparison
Passmark - benchmark score GeForce 820M vs Radeon RX 7900 XTX
GeForce 820M
511
Radeon RX 7900 XTX
31827
GeForce 820M
Radeon RX 7900 XTX
Architecture
Fermi (2010−2014)
RDNA 3
GPU code name
N15V-GM
Navi 31 XTX
Market segment
Laptop
Desktop
Release date
January 2014
November 2022
Bus support
PCI Express 2.0
-
Interface
PCIe 2.0 x16
PCIe 4.0 x16
Supplementary power connectors
-
2x 8-pin
Boost clock speed
-
2270 MHz
Core clock speed
775 MHz
-
Floating-point performance
240.0 gflops
-
Manufacturing process technology
28 nm
5 nm
Number of transistors
585 million
57,700 million
Pipelines / CUDA cores
96
6144
Power consumption (TDP)
15 Watt
355 Watt
Texture fill rate
10.00
959.6
Memory type
DDR3
GDDR6
Maximum RAM amount
2 GB
24 GB
Memory bus width
64 Bit
384 Bit
Memory clock speed
1800 MHz
20000 MHz
Memory bandwidth
14.4 GB/s
960.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C
HDMI
-
+
DirectX
12 (11_0)
12 Ultimate (12_2)
CUDA
+
-
OpenCL
1.1
2.1
OpenGL
4.5
4.6
Shader Model
5.1
6.7
Vulkan
N/A
1.3
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
-