NVIDIA GeForce GT 820M vs AMD Radeon RX 6850M XT
We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 820M and 12GB VRAM Radeon RX 6850M XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 820M 's Advantages
Lower TDP (15W vs 165W)
AMD Radeon RX 6850M XT 's Advantages
Released 8 years and 2 months late
Boost Clock2581MHz
More VRAM (12GB vs 1024GB)
Larger VRAM bandwidth (384.0GB/s vs 14.40GB/s)
2464 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 820M
0.298 TFLOPS
Radeon RX 6850M XT
+4332%
13.21 TFLOPS
Graphics Card
Nov 2013
Release Date
Jan 2022
GeForce 800M
Generation
Mobility Radeon
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
2321 MHz
-
Boost Clock
2581 MHz
900 MHz
Memory Clock
2000 MHz
Memory
1024MB
Memory Size
12GB
DDR3
Memory Type
GDDR6
64bit
Memory Bus
192bit
14.40GB/s
Bandwidth
384.0GB/s
Render Config
-
Compute Units
40
2
SM Count
-
96
Shading Units
2560
16
TMUs
160
8
ROPs
64
-
-
-
-
RT Cores
40
64 KB (per SM)
L1 Cache
128 KB per Array
128 KB
L2 Cache
3 MB
-
L3 Cache
96 MB
Theoretical Performance
3.100 GPixel/s
Pixel Rate
165.2 GPixel/s
12.40 GTexel/s
Texture Rate
413.0 GTexel/s
-
FP16 (half)
26.43 TFLOPS
297.6 GFLOPS
FP32 (float)
13.21 TFLOPS
24.80 GFLOPS
FP64 (double)
825.9 GFLOPS
Board Design
15W
TDP
165W
-
-
-
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
GF117
GPU Name
Navi 22
N15V-GM
GPU Variant
Navi 22 XTM
Fermi 2.0
Architecture
RDNA 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
7 nm
0.585 billion
Transistors
17.2 billion
116 mm²
Die Size
335 mm²
Graphics Features
12 (11_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
1.1
OpenCL
2.1
N/A
Vulkan
1.3
2.1
CUDA
-
5.1
Shader Model
6.5
