AMD Radeon RX 6900 XTX vs AMD Radeon Instinct MI300A
GPU Specs Compare
Graphics Card
Release Date
Unknown
Dec 2023
Generation
Navi II
Radeon Instinct
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
2075 MHz
1000 MHz
Boost Clock
2435 MHz
2100 MHz
Memory Clock
2250 MHz
2525 MHz
Memory
Memory Size
16GB
192GB
Memory Type
GDDR6
HBM3
Memory Bus
256bit
8192bit
Bandwidth
576.0GB/s
10.3TB/s
Render Config
Compute Units
80
304
Shading Units
5120
19456
TMUs
320
1216
ROPs
128
0
RT Cores
80
-
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
4 MB
16 MB
L3 Cache
128 MB
256 MB
Tensor Cores
-
1216
Theoretical Performance
Pixel Rate
311.7 GPixel/s
0 MPixel/s
Texture Rate
779.2 GTexel/s
2554 GTexel/s
FP16 (half)
49.87 TFLOPS
653.7 TFLOPS
FP32 (float)
24.93 TFLOPS
81.72 TFLOPS
FP64 (double)
1.558 TFLOPS
81.72 TFLOPS
Graphics Processor
GPU Name
Navi 21
Aqua Vanjaram
GPU Variant
Navi 21 XTXH(215-121000247)
-
Architecture
RDNA 2.0
CDNA 3.0
Foundry
TSMC
TSMC
Process Size
7 nm
5 nm
Transistors
26.8 billion
153 billion
Die Size
520 mm²
1017 mm²
Board Design
TDP
330W
750W
Suggested PSU
700 W
1150 W
Outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
No outputs
Power Connectors
2x 8-pin
None
Graphics Features
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
N/A
OpenCL
2.1
3.0
Vulkan
1.3
N/A
Shader Model
6.5
N/A