GeForce RTX 3080 Ti vs Radeon Instinct MI308X
We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 3080 Ti and 192GB VRAM Radeon Instinct MI308X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 3080 Ti 's Advantages
Lower TDP (350W vs 750W)
Radeon Instinct MI308X 's Advantages
Released 2 years and 7 months late
Boost Clock has increased by 26% (2100MHz vs 1665MHz)
More VRAM (192GB vs 12GB)
Larger VRAM bandwidth (10.3TB/s vs 912.4GB/s)
9216 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce RTX 3080 Ti
34100
Radeon Instinct MI308X
+139%
81720
Graphics Card
May 2021
Release Date
Dec 2023
GeForce 30
Generation
Radeon Instinct
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 5.0 x16
Clock Speeds
1365 MHz
Base Clock
1000 MHz
1665 MHz
Boost Clock
2100 MHz
1188 MHz
Memory Clock
2525 MHz
Memory
12GB
Memory Size
192GB
GDDR6X
Memory Type
HBM3
384bit
Memory Bus
8192bit
912.4GB/s
Bandwidth
10.3TB/s
Render Config
-
Compute Units
304
80
SM Count
-
10240
Shading Units
19456
320
TMUs
1216
112
ROPs
0
320
Tensor Cores
1216
80
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per CU)
6 MB
L2 Cache
16 MB
-
L3 Cache
256 MB
Theoretical Performance
186.5 GPixel/s
Pixel Rate
0 MPixel/s
532.8 GTexel/s
Texture Rate
2554 GTexel/s
34.10 TFLOPS
FP16 (half)
653.7 TFLOPS
34.10 TFLOPS
FP32 (float)
81.72 TFLOPS
532.8 GFLOPS
FP64 (double)
81.72 TFLOPS
Board Design
350W
TDP
750W
750 W
Suggested PSU
1150 W
1x HDMI 2.1
3x DisplayPort 1.4a
Outputs
No outputs
1x 12-pin
Power Connectors
None
Graphics Processor
GA102
GPU Name
Aqua Vanjaram
GA102-225-A1
GPU Variant
-
Ampere
Architecture
CDNA 3.0
Samsung
Foundry
TSMC
8 nm
Process Size
5 nm
28.3 billion
Transistors
153 billion
628 mm²
Die Size
1017 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
N/A
4.6
OpenGL
N/A
3.0
OpenCL
3.0
1.3
Vulkan
N/A
8.6
CUDA
-
6.6
Shader Model
N/A
