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 550X
CORE STATE
Lexa
VRAM
2 GB
CLOCK SPEED
1218 MHz
TDP
50 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2019
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Instinct MI300X
550X
Core Specs
Shading Units
19,456
512
-97.4%
Shaders
19,456
512
-97.4%
TMUs
1,216
32
-97.4%
ROPs
0
16
+∞%
Compute Units
304
8
-97.4%
Clocks
Base Clock
1000 MHz
1082 MHz
Boost Clock
2100 MHz
1218 MHz
Memory Clock
1300 MHz 5.2 Gbps effective
1750 MHz
7 Gbps effective
Memory
Memory Size
192 GB
2 GB
VRAM (MB)
196,608
2,048
-99.0%
Memory Type
HBM3
GDDR5
Memory Bus
8192 bit
128 bit
Bandwidth
5.32 TB/s
112.0 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
19.49 GPixel/s
Texture Rate
2,553.6 GTexel/s
38.98 GTexel/s
FP32 (TFLOPS)
81.72 TFLOPS
1,247.2 GFLOPS
FP64 (TFLOPS)
40.86 TFLOPS (1:2)
77.95 GFLOPS (1:16)
FP16 (TFLOPS)
81.72 TFLOPS (1:1)
1,247.2 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 500X)
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
Dual-slot
Length
—
145 mm
5.7 inches
Outputs
No outputs
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x8
Other
Production
—
End-of-life
Predecessor
Radeon Instinct
Polaris
Successor
—
Vega