AMD Radeon R9 280X vs AMD Instinct MI300X
GPU Specs Compare
Graphics Card
Release Date
Oct 2013
Dec 2023
Generation
Volcanic Islands
Radeon Instinct
Type
Desktop
Professional
Bus Interface
PCIe 3.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
850 MHz
1000 MHz
Boost Clock
1000 MHz
2100 MHz
Memory Clock
1500 MHz
2525 MHz
Memory
Memory Size
3GB
192GB
Memory Type
GDDR5
HBM3
Memory Bus
384bit
8192bit
Bandwidth
288.0GB/s
10.3TB/s
Render Config
Compute Units
32
304
Shading Units
2048
19456
TMUs
128
1216
ROPs
32
0
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
768 KB
16 MB
L3 Cache
-
256 MB
Theoretical Performance
Pixel Rate
32.00 GPixel/s
0 MPixel/s
Texture Rate
128.0 GTexel/s
2553.6 GTexel/s
FP32 (float)
4.096 TFLOPS
81.72 TFLOPS
FP64 (double)
1024 GFLOPS
81.72 TFLOPS
FP16 (half)
-
653.7 TFLOPS
Graphics Processor
GPU Name
Tahiti
Aqua Vanjaram
GPU Variant
Tahiti XTL(215-0821065)
-
Architecture
GCN 1.0
CDNA 3.0
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
4.313 billion
153 billion
Die Size
352 mm²
1017 mm²
Board Design
TDP
250W
750W
Suggested PSU
600 W
1150 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
Power Connectors
1x 6-pin + 1x 8-pin
None
Graphics Features
DirectX
12 (11_1)
N/A
OpenGL
4.6
N/A
OpenCL
1.2
3.0
Vulkan
1.2
N/A
Shader Model
5.1
N/A