AMD Instinct MI300X vs AMD Radeon HD 8990 OEM
GPU · Specs Compare
Graphics Card
Release Date
Dec 2023
Apr 2013
Generation
Radeon Instinct
Sea Islands
Type
Professional
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1000 MHz
950 MHz
Boost Clock
2100 MHz
1000 MHz
Memory Clock
2525 MHz
1500 MHz
Memory
Memory Size
192GB
3GB
Memory Type
HBM3
GDDR5
Memory Bus
8192bit
384bit
Bandwidth
10.3TB/s
288.0GB/s
Render Config
Compute Units
304
32
Shading Units
19456
2048
TMUs
1216
128
ROPs
0
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
16 MB
768 KB
L3 Cache
256 MB
—
Theoretical Performance
Pixel Rate
0 MPixel/s
32.00 GPixel/s
Texture Rate
2553.6 GTexel/s
128.0 GTexel/s
FP16 (half)
653.7 TFLOPS
—
FP32 (float)
81.72 TFLOPS
4.096 TFLOPS
FP64 (double)
81.72 TFLOPS
1024 GFLOPS
Graphics Processor
GPU Name
Aqua Vanjaram
Malta
Architecture
CDNA 3.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
153 billion
4.313 billion
Die Size
1017 mm²
365 mm²
GPU Variant
—
Malta XT(215-0849026)
Board Design
TDP
750W
375W
Suggested PSU
1150 W
750 W
Outputs
No outputs
1x DVI4x mini-DisplayPort 1.2
Power Connectors
None
2x 8-pin
Graphics Features
DirectX
N/A
12 (11_1)
OpenGL
N/A
4.6
OpenCL
3.0
1.2
Vulkan
N/A
1.2
Shader Model
N/A
5.1
▲ Specs Compare
Data sourced from official specifications and benchmark tests.