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GPU Comparison
AMD Radeon RX 6800M vs NVIDIA GeForce 820M
AMD Radeon RX 6800M vs NVIDIA GeForce 820M
VS
AMD Radeon RX 6800M
NVIDIA GeForce 820M
We compared two Mobile platform GPUs: 12GB VRAM Radeon RX 6800M and 2GB VRAM GeForce 820M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 6800M 's Advantages
Released 6 years and 2 months late
Boost Clock2390MHz
More VRAM (12GB vs 2GB)
Larger VRAM bandwidth (384.0GB/s vs 28.83GB/s)
2176 additional rendering cores
NVIDIA GeForce 820M 's Advantages
Lower TDP (45W vs 145W)
Score
Benchmark
FP32 (float)
Radeon RX 6800M
+1867%
12.24 TFLOPS
GeForce 820M
0.622 TFLOPS
Radeon RX 6800M
VS
GeForce 820M
Graphics Card
May 2021
Release Date
Mar 2015
Mobility Radeon
Generation
GeForce 800M
Mobile
Type
Mobile
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
2116 MHz
Base Clock
-
2390 MHz
Boost Clock
-
2000 MHz
Memory Clock
901 MHz
Memory
12GB
Memory Size
2GB
GDDR6
Memory Type
DDR3
192bit
Memory Bus
128bit
384.0GB/s
Bandwidth
28.83GB/s
Render Config
-
SM Count
-
40
Compute Units
-
2560
Shading Units
384
160
TMUs
32
64
ROPs
16
-
Tensor Cores
-
40
RT Cores
-
128 KB per Array
L1 Cache
16 KB (per SMX)
3 MB
L2 Cache
256 KB
Theoretical Performance
153.0 GPixel/s
Pixel Rate
6.480 GPixel/s
382.4 GTexel/s
Texture Rate
25.92 GTexel/s
24.47 TFLOPS
FP16 (half)
-
12.24 TFLOPS
FP32 (float)
622.1 GFLOPS
764.8 GFLOPS
FP64 (double)
25.92 GFLOPS
Graphics Processor
Navi 22
GPU Name
GK107
Navi 22 XTM
GPU Variant
-
RDNA 2.0
Architecture
Kepler
TSMC
Foundry
TSMC
7 nm
Process Size
28 nm
17.2 billion
Transistors
1.27 billion
335 mm²
Die Size
118 mm²
Board Design
145W
TDP
45W
-
Suggested PSU
-
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.1
OpenCL
3.0
1.3
Vulkan
1.1
-
CUDA
3.0
6.5
Shader Model
5.1
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