AMD Radeon Instinct MI325X vs NVIDIA GeForce RTX 3080 Ti 20 GB
We compared two Desktop platform GPUs: 288GB VRAM Radeon Instinct MI325X and 20GB VRAM GeForce RTX 3080 Ti 20 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon Instinct MI325X 's Advantages
Released 2 years and 9 months late
Boost Clock has increased by 26% (2100MHz vs 1665MHz)
More VRAM (288GB vs 20GB)
Larger VRAM bandwidth (10.3TB/s vs 760.3GB/s)
9216 additional rendering cores
NVIDIA GeForce RTX 3080 Ti 20 GB 's Advantages
Lower TDP (350W vs 1000W)
Score
Benchmark
FP32 (float)
Radeon Instinct MI325X
+139%
81.72 TFLOPS
GeForce RTX 3080 Ti 20 GB
34.1 TFLOPS
Graphics Card
Oct 2024
Release Date
Jan 2022
Radeon Instinct
Generation
GeForce 30
Desktop
Type
Desktop
PCIe 5.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
1000 MHz
Base Clock
1335 MHz
2100 MHz
Boost Clock
1665 MHz
2525 MHz
Memory Clock
1188 MHz
Memory
288GB
Memory Size
20GB
HBM3e
Memory Type
GDDR6X
8192bit
Memory Bus
320bit
10.3TB/s
Bandwidth
760.3GB/s
Render Config
304
Compute Units
-
-
SM Count
80
19456
Shading Units
10240
1216
TMUs
320
0
ROPs
112
1216
Tensor Cores
320
-
RT Cores
80
16 KB (per CU)
L1 Cache
128 KB (per SM)
16 MB
L2 Cache
6 MB
256 MB
L3 Cache
-
Theoretical Performance
0 MPixel/s
Pixel Rate
186.5 GPixel/s
2553.6 GTexel/s
Texture Rate
532.8 GTexel/s
653.7 TFLOPS
FP16 (half)
34.10 TFLOPS
81.72 TFLOPS
FP32 (float)
34.10 TFLOPS
81.72 TFLOPS
FP64 (double)
532.8 GFLOPS
Board Design
1000W
TDP
350W
1400 W
Suggested PSU
750 W
No outputs
Outputs
1x HDMI 2.1
3x DisplayPort 1.4a
None
Power Connectors
1x 12-pin
Graphics Processor
Aqua Vanjaram
GPU Name
GA102
-
GPU Variant
GA102-225-A1
CDNA 3.0
Architecture
Ampere
TSMC
Foundry
Samsung
5 nm
Process Size
8 nm
153 billion
Transistors
28.3 billion
1017 mm²
Die Size
628 mm²
Graphics Features
N/A
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
3.0
OpenCL
3.0
N/A
Vulkan
1.3
-
CUDA
8.6
N/A
Shader Model
6.6
