AMD Radeon R9 280X vs AMD Radeon Instinct MI300A
We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280X and 192GB VRAM Radeon Instinct MI300A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 280X 's Advantages
Lower TDP (250W vs 750W)
AMD Radeon Instinct MI300A 's Advantages
Released 10 years and 2 months late
Boost Clock has increased by 110% (2100MHz vs 1000MHz)
More VRAM (192GB vs 3GB)
Larger VRAM bandwidth (10.3TB/s vs 288.0GB/s)
17408 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon R9 280X
4.096 TFLOPS
Radeon Instinct MI300A
+1895%
81.72 TFLOPS
Graphics Card
Oct 2013
Release Date
Dec 2023
Volcanic Islands
Generation
Radeon Instinct
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 5.0 x16
Clock Speeds
850 MHz
Base Clock
1000 MHz
1000 MHz
Boost Clock
2100 MHz
1500 MHz
Memory Clock
2525 MHz
Memory
3GB
Memory Size
192GB
GDDR5
Memory Type
HBM3
384bit
Memory Bus
8192bit
288.0GB/s
Bandwidth
10.3TB/s
Render Config
32
Compute Units
304
-
-
-
2048
Shading Units
19456
128
TMUs
1216
32
ROPs
0
-
Tensor Cores
1216
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
768 KB
L2 Cache
16 MB
-
L3 Cache
256 MB
Theoretical Performance
32.00 GPixel/s
Pixel Rate
0 MPixel/s
128.0 GTexel/s
Texture Rate
2554 GTexel/s
-
FP16 (half)
653.7 TFLOPS
4.096 TFLOPS
FP32 (float)
81.72 TFLOPS
1024 GFLOPS
FP64 (double)
81.72 TFLOPS
Board Design
250W
TDP
750W
600 W
Suggested PSU
1150 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
No outputs
1x 6-pin + 1x 8-pin
Power Connectors
None
Graphics Processor
Tahiti
GPU Name
Aqua Vanjaram
Tahiti XTL
(215-0821065)
GPU Variant
-
GCN 1.0
Architecture
CDNA 3.0
TSMC
Foundry
TSMC
28 nm
Process Size
5 nm
4.313 billion
Transistors
153 billion
352 mm²
Die Size
1017 mm²
Graphics Features
12 (11_1)
DirectX
N/A
4.6
OpenGL
N/A
1.2
OpenCL
3.0
1.2
Vulkan
N/A
-
-
-
5.1
Shader Model
N/A
