AMD Instinct MI300A vs AMD Radeon RX 6800S
GPU · Specs Compare
Graphics Card
Release Date
Dec 2023
Jan 2022
Generation
Radeon Instinct
Mobility Radeon
Type
Professional
Mobile
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
1000 MHz
1800 MHz
Boost Clock
2100 MHz
2100 MHz
Memory Clock
1300 MHz
2000 MHz
Memory
Memory Size
128GB
8GB
Memory Type
HBM3
GDDR6
Memory Bus
8192bit
128bit
Bandwidth
5.32TB/s
256.0GB/s
Render Config
Compute Units
228
32
Shading Units
14592
2048
TMUs
912
128
ROPs
0
64
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
16 MB
2 MB
L3 Cache
256 MB
32 MB
RT Cores
—
32
Theoretical Performance
Pixel Rate
0 MPixel/s
134.4 GPixel/s
Texture Rate
1915.2 GTexel/s
268.8 GTexel/s
FP16 (half)
653.7 TFLOPS
17.20 TFLOPS
FP32 (float)
61.29 TFLOPS
8.602 TFLOPS
FP64 (double)
30.64 TFLOPS
537.6 GFLOPS
Graphics Processor
GPU Name
Aqua Vanjaram
Navi 23
Architecture
CDNA 3.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
5 nm
7 nm
Transistors
153 billion
11.06 billion
Die Size
1017 mm²
237 mm²
Board Design
TDP
750W
100W
Suggested PSU
1150 W
—
Outputs
No outputs
No outputs
Power Connectors
None
None
Graphics Features
DirectX
N/A
12 Ultimate (12_2)
OpenGL
N/A
4.6
OpenCL
3.0
2.1
Vulkan
N/A
1.3
Shader Model
N/A
6.5
▲ Specs Compare
Data sourced from official specifications and benchmark tests.