GPU Comparison
RADEON
AMD 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
RADEON
Radeon 660M
CORE STATE
Rembrandt
VRAM
System Shared
CLOCK SPEED
1900 MHz
TDP
40 W
BUS WIDTH
System Shared
ARCHITECTURE
RDNA 2.0
PROCESS
6 nm
LAUNCH DATE
2022
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Instinct MI300X
660M
Core Specs
Shading Units
19,456
384
-98.0%
Shaders
19,456
384
-98.0%
TMUs
1,216
24
-98.0%
ROPs
0
16
+∞%
Compute Units
304
6
-98.0%
Clocks
Base Clock
1000 MHz
1500 MHz
Boost Clock
2100 MHz
1900 MHz
Memory Clock
1300 MHz 5.2 Gbps effective
System Shared
Memory
Memory Size
192 GB
System Shared
VRAM (MB)
196,608
—
Memory Type
HBM3
System Shared
Memory Bus
8192 bit
System Shared
Bandwidth
5.32 TB/s
System Dependent
Cache
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
16 MB
2 MB
L3 Cache
256 MB
—
L0 Cache
—
32 KB per WGP
Performance
Pixel Rate
0 MPixel/s
30.40 GPixel/s
Texture Rate
2,553.6 GTexel/s
45.60 GTexel/s
FP32 (TFLOPS)
81.72 TFLOPS
1,459.2 GFLOPS
FP64 (TFLOPS)
40.86 TFLOPS (1:2)
91.20 GFLOPS (1:16)
FP16 (TFLOPS)
81.72 TFLOPS (1:1)
2.918 TFLOPS (2:1)
AI/RT
RT Cores
—
6
Matrix Cores
1,216
—
Power
TDP
750 W
40 W
TDP (W)
750
40
-94.7%
Suggested PSU
1150 W
—
Power Connectors
None
None
Architecture
Architecture
CDNA 3.0
RDNA 2.0
GPU Name
Aqua Vanjaram
Rembrandt
Generation
Instinct (MIx)
Navi II IGP
(Rembrandt Mobile)
Process Size
5 nm
6 nm
Transistors
153,000 million
13,100 million
Die Size
1017 mm²
208 mm²
Foundry
TSMC
TSMC
Density
150.4M / mm²
63.0M / mm²
AMD MCM
MCM
2
—
API Support
DirectX
—
12 Ultimate (12_2)
OpenGL
—
4.6
Vulkan
—
1.4
OpenCL
3.0
2.0
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 x8
Other
Production
—
End-of-life
Predecessor
Radeon Instinct
Vega II IGP
Successor
—
Navi III IGP