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 540
CORE STATE
Lexa
VRAM
1024 MB
CLOCK SPEED
—
TDP
50 W
BUS WIDTH
32 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2017
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Instinct MI300X
540
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
—
Boost Clock
2100 MHz
—
GPU Clock
—
1183 MHz
Memory Clock
1300 MHz 5.2 Gbps effective
1500 MHz
6 Gbps effective
Memory
Memory Size
192 GB
1024 MB
VRAM (MB)
196,608
1,024
-99.5%
Memory Type
HBM3
GDDR5
Memory Bus
8192 bit
32 bit
Bandwidth
5.32 TB/s
24.00 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
16 MB
512 KB
L3 Cache
256 MB
—
Performance
Pixel Rate
0 MPixel/s
18.93 GPixel/s
Texture Rate
2,553.6 GTexel/s
28.39 GTexel/s
FP32 (TFLOPS)
81.72 TFLOPS
908.5 GFLOPS
FP64 (TFLOPS)
40.86 TFLOPS (1:2)
56.78 GFLOPS (1:16)
FP16 (TFLOPS)
81.72 TFLOPS (1:1)
908.5 GFLOPS (1:1)
AI/RT
Matrix Cores
1,216
—
Power
TDP
750 W
50 W
TDP (W)
750
50
-93.3%
Suggested PSU
1150 W
250 W
Power Connectors
None
None
Architecture
Architecture
CDNA 3.0
GCN 4.0
GPU Name
Aqua Vanjaram
Lexa
Generation
Instinct (MIx)
Polaris
(RX 500)
Process Size
5 nm
14 nm
Transistors
153,000 million
2,200 million
Die Size
1017 mm²
103 mm²
Foundry
TSMC
GlobalFoundries
Density
150.4M / mm²
21.4M / mm²
AMD MCM
MCM
2
—
API Support
DirectX
—
12 (12_0)
OpenGL
—
4.6
Vulkan
—
1.3
OpenCL
3.0
2.1
Shader Model
—
6.7
Physical
Slot Width
OAM Module
Single-slot
Outputs
No outputs
2x DisplayPort 1.4a
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x8
Other
Production
—
End-of-life
Predecessor
Radeon Instinct
Arctic Islands
Successor
—
Vega