NVIDIA GeForce RTX 3080 Ti Mobile vs AMD Radeon RX 7800M
We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 3080 Ti Mobile and 12GB VRAM Radeon RX 7800M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce RTX 3080 Ti Mobile 's Advantages
More VRAM (16GB vs 12GB)
Larger VRAM bandwidth (512.0GB/s vs 432.0GB/s)
3584 additional rendering cores
Lower TDP (115W vs 180W)
AMD Radeon RX 7800M 's Advantages
Released 2 years and 8 months late
Boost Clock has increased by 85% (2335MHz vs 1260MHz)
Score
Benchmark
FP32 (float)
GeForce RTX 3080 Ti Mobile
18.71 TFLOPS
Radeon RX 7800M
+91%
35.87 TFLOPS
3DMark Time Spy
GeForce RTX 3080 Ti Mobile
12905
Radeon RX 7800M
+5%
13552
3DMark Time Spy Extreme
GeForce RTX 3080 Ti Mobile
6164
Radeon RX 7800M
+10%
6803
3DMark Speed Way
GeForce RTX 3080 Ti Mobile
+13%
3147
Radeon RX 7800M
2784
Graphics Card
Jan 2022
Release Date
Sep 2024
GeForce 30 Mobile
Generation
Navi Mobile
Mobile
Type
Mobile
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
810 MHz
Base Clock
1295 MHz
1260 MHz
Boost Clock
2335 MHz
2000 MHz
Memory Clock
2250 MHz
Memory
16GB
Memory Size
12GB
GDDR6
Memory Type
GDDR6
256bit
Memory Bus
192bit
512.0GB/s
Bandwidth
432.0GB/s
Render Config
-
Compute Units
60
58
SM Count
-
7424
Shading Units
3840
232
TMUs
240
96
ROPs
96
232
Tensor Cores
-
58
RT Cores
60
128 KB (per SM)
L1 Cache
128 KB per Array
4 MB
L2 Cache
4 MB
-
L3 Cache
48 MB
Theoretical Performance
121.0 GPixel/s
Pixel Rate
224.2 GPixel/s
292.3 GTexel/s
Texture Rate
560.4 GTexel/s
18.71 TFLOPS
FP16 (half)
71.73 TFLOPS
18.71 TFLOPS
FP32 (float)
35.87 TFLOPS
292.3 GFLOPS
FP64 (double)
1121 GFLOPS
Board Design
115W
TDP
180W
-
-
-
No outputs
Outputs
Portable Device Dependent
None
Power Connectors
None
Graphics Processor
GA103S
GPU Name
Navi 32
GN20-E8-A1
GPU Variant
Navi 32 XT
(215-180000006)
Ampere
Architecture
RDNA 3.0
Samsung
Foundry
TSMC
8 nm
Process Size
5 nm
Unknown
Transistors
28.1 billion
496 mm²
Die Size
346 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
2.2
1.3
Vulkan
1.3
8.6
CUDA
-
6.5
Shader Model
6.8
