GPU Comparison
RADEON
AMD Radeon Instinct MI300X
CORE STATE
Aqua Vanjaram
VRAM
192 GB
CLOCK SPEED
2100 MHz
TDP
750 W
BUS WIDTH
8192 bit
ARCHITECTURE
CDNA 3.0
PROCESS
5 nm
LAUNCH DATE
2023
VS
GEFORCE
GeForce RTX 4090 Max-Q
CORE STATE
AD103
VRAM
16 GB
CLOCK SPEED
1455 MHz
TDP
80 W
BUS WIDTH
256 bit
ARCHITECTURE
Ada Lovelace
PROCESS
5 nm
LAUNCH DATE
2023
DETAILED SPECIFICATIONS
SPECIFICATION
Instinct MI300X
RTX 4090 Max-Q
Core Specs
Shading Units
19,456
9,728
-50.0%
Shaders
19,456
9,728
-50.0%
TMUs
1,216
304
-75.0%
ROPs
0
112
+∞%
Compute Units
304
—
SM Count
—
76
Clocks
Base Clock
1000 MHz
930 MHz
Boost Clock
2100 MHz
1455 MHz
Memory Clock
2525 MHz
10.1 Gbps effective
2250 MHz
18 Gbps effective
Memory
Memory Size
192 GB
16 GB
VRAM (MB)
196,608
16,384
-91.7%
Memory Type
HBM3
GDDR6
Memory Bus
8192 bit
256 bit
Bandwidth
10.3 TB/s
576.0 GB/s
Cache
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
16 MB
64 MB
L3 Cache
256 MB
—
Performance
Pixel Rate
0 MPixel/s
163.0 GPixel/s
Texture Rate
2,553.6 GTexel/s
442.3 GTexel/s
FP32 (TFLOPS)
81.72 TFLOPS
28.31 TFLOPS
FP64 (TFLOPS)
81.72 TFLOPS (1:1)
442.3 GFLOPS (1:64)
FP16 (TFLOPS)
653.7 TFLOPS (8:1)
28.31 TFLOPS (1:1)
AI/RT
RT Cores
—
76
Tensor Cores
—
304
Matrix Cores
1,216
—
Power
TDP
750 W
80 W
TDP (W)
750
80
-89.3%
Suggested PSU
1150 W
—
Power Connectors
None
None
Architecture
Architecture
CDNA 3.0
Ada Lovelace
GPU Name
Aqua Vanjaram
AD103
Generation
Radeon Instinct
(MIx)
GeForce 40 Mobile
Process Size
5 nm
5 nm
Transistors
153,000 million
45,900 million
Die Size
1017 mm²
379 mm²
Foundry
TSMC
TSMC
Density
150.4M / mm²
121.1M / mm²
AMD MCM
MCM
2
—
API Support
DirectX
—
12 Ultimate (12_2)
OpenGL
—
4.6
Vulkan
—
1.4
OpenCL
3.0
3.0
CUDA
—
8.9
Shader Model
—
6.8
Physical
Slot Width
OAM Module
IGP
Outputs
No outputs
Portable Device Dependent
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Other
Production
—
Active
Predecessor
FirePro Data Center
GeForce 30 Mobile
Successor
—
GeForce 50 Mobile