NVIDIA GeForce RTX 3080 Ti vs AMD Radeon Instinct MI250X
GPU Specs Compare
Graphics Card
Release Date
May 2021
Nov 2021
Generation
GeForce 30
Radeon Instinct
Type
Desktop
Professional
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1365 MHz
1000 MHz
Boost Clock
1665 MHz
1700 MHz
Memory Clock
1188 MHz
1600 MHz
Memory
Memory Size
12GB
128GB
Memory Type
GDDR6X
HBM2e
Memory Bus
384bit
8192bit
Bandwidth
912.4GB/s
3277GB/s
Render Config
SM Count
80
-
Shading Units
10240
14080
TMUs
320
880
ROPs
112
0
Tensor Cores
320
-
RT Cores
80
-
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
6 MB
16 MB
Compute Units
-
220
Theoretical Performance
Pixel Rate
186.5 GPixel/s
0 MPixel/s
Texture Rate
532.8 GTexel/s
1496 GTexel/s
FP16 (half)
34.10 TFLOPS
383.0 TFLOPS
FP32 (float)
34.10 TFLOPS
47.87 TFLOPS
FP64 (double)
532.8 GFLOPS
47.87 TFLOPS
Graphics Processor
GPU Name
GA102
Aldebaran
GPU Variant
GA102-225-A1
Aldebaran XT
Architecture
Ampere
CDNA 2.0
Foundry
Samsung
TSMC
Process Size
8 nm
6 nm
Transistors
28.3 billion
58.2 billion
Die Size
628 mm²
Unknown
Board Design
TDP
350W
500W
Suggested PSU
750 W
900 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
No outputs
Power Connectors
1x 12-pin
2x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
N/A
OpenCL
3.0
3.0
Vulkan
1.3
N/A
CUDA
8.6
-
Shader Model
6.6
N/A
📊 Benchmark
3DMark Time Spy
19,629
-
3DMark Time Spy Extreme
10,032
-
3DMark Speed Way
5,330
-