AMD Radeon Instinct MI300A vs AMD Radeon R9 390 X2

GPU · Specs Compare

Products
GPU AMD Radeon Instinct MI300A AMD · 2023-12
GPU AMD Radeon R9 390 X2 AMD · 2015-09
Graphics Card
Release Date
Dec 2023
Sep 2015
Generation
Radeon Instinct
Pirate Islands
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1000 MHz
—
Boost Clock
2100 MHz
—
Memory Clock
2525 MHz
1350 MHz
Memory
Memory Size
192GB
8GB
Memory Type
HBM3
GDDR5
Memory Bus
8192bit
512bit
Bandwidth
10.3TB/s
345.6GB/s
Render Config
Compute Units
304
40
Shading Units
19456
2560
TMUs
1216
160
ROPs
0
64
Tensor Cores
1216
—
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
16 MB
1024 KB
L3 Cache
256 MB
—
Theoretical Performance
Pixel Rate
0 MPixel/s
64.00 GPixel/s
Texture Rate
2554 GTexel/s
160.0 GTexel/s
FP16 (half)
653.7 TFLOPS
—
FP32 (float)
81.72 TFLOPS
5.120 TFLOPS
FP64 (double)
81.72 TFLOPS
640.0 GFLOPS
Graphics Processor
GPU Name
Aqua Vanjaram
Grenada
Architecture
CDNA 3.0
GCN 2.0
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
153 billion
6.2 billion
Die Size
1017 mm²
438 mm²
GPU Variant
—
Grenada PRO(215-0880030)
Board Design
TDP
750W
580W
Suggested PSU
1150 W
950 W
Outputs
No outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
None
4x 8-pin
Graphics Features
DirectX
N/A
12 (12_0)
OpenGL
N/A
4.6
OpenCL
3.0
2.0
Vulkan
N/A
1.2
Shader Model
N/A
6.3
▲ Specs Compare Data sourced from official specifications and benchmark tests.