NVIDIA GeForce RTX 3090 Ti vs AMD Radeon Instinct MI300A
GPU Specs Compare
Graphics Card
Release Date
Jan 2022
Dec 2023
Generation
GeForce 30
Radeon Instinct
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
1560 MHz
1000 MHz
Boost Clock
1860 MHz
2100 MHz
Memory Clock
1313 MHz
2525 MHz
Memory
Memory Size
24GB
192GB
Memory Type
GDDR6X
HBM3
Memory Bus
384bit
8192bit
Bandwidth
1.01TB/s
10.3TB/s
Render Config
SM Count
84
-
Shading Units
10752
19456
TMUs
336
1216
ROPs
112
0
Tensor Cores
336
1216
RT Cores
84
-
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
6 MB
16 MB
Compute Units
-
304
L3 Cache
-
256 MB
Theoretical Performance
Pixel Rate
208.3 GPixel/s
0 MPixel/s
Texture Rate
625.0 GTexel/s
2554 GTexel/s
FP16 (half)
40.00 TFLOPS
653.7 TFLOPS
FP32 (float)
40.00 TFLOPS
81.72 TFLOPS
FP64 (double)
625.0 GFLOPS
81.72 TFLOPS
Graphics Processor
GPU Name
GA102
Aqua Vanjaram
GPU Variant
GA102-350-A1
-
Architecture
Ampere
CDNA 3.0
Foundry
Samsung
TSMC
Process Size
8 nm
5 nm
Transistors
28.3 billion
153 billion
Die Size
628 mm²
1017 mm²
Board Design
TDP
450W
750W
Suggested PSU
850 W
1150 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
No outputs
Power Connectors
1x 16-pin
None
Graphics Features
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
N/A
OpenCL
3.0
3.0
Vulkan
1.4
N/A
CUDA
8.6
-
Shader Model
6.8
N/A
📊 Benchmark
3DMark Time Spy
21,832
-
3DMark Time Spy Extreme
11,318
-
3DMark Speed Way
5,903
-
Blender
6,217
-