AMD Radeon RX 8800 XT vs AMD Radeon Instinct MI250X
GPU · Specs Compare
Graphics Card
Release Date
Unknown
Nov 2021
Generation
Navi IV(RX 8000)
Radeon Instinct
Type
Desktop
Professional
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1295 MHz
1000 MHz
Boost Clock
2430 MHz
1700 MHz
Memory Clock
2438 MHz
1600 MHz
Memory
Memory Size
16GB
128GB
Memory Type
GDDR6
HBM2e
Memory Bus
256bit
8192bit
Bandwidth
624.1GB/s
3277GB/s
Render Config
Compute Units
64
220
Shading Units
4096
14080
TMUs
256
880
ROPs
96
0
RT Cores
64
—
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
4 MB
16 MB
L3 Cache
64 MB
—
Theoretical Performance
Pixel Rate
233.3 GPixel/s
0 MPixel/s
Texture Rate
622.1 GTexel/s
1496 GTexel/s
FP16 (half)
39.81 TFLOPS
383.0 TFLOPS
FP32 (float)
19.91 TFLOPS
47.87 TFLOPS
FP64 (double)
622.1 GFLOPS
47.87 TFLOPS
Graphics Processor
GPU Name
Navi 48
Aldebaran
GPU Variant
Navi 48 XT
Aldebaran XT
Architecture
RDNA 4.0
CDNA 2.0
Foundry
TSMC
TSMC
Process Size
4 nm
6 nm
Transistors
Unknown
58.2 billion
Die Size
Unknown
Unknown
Board Design
TDP
220W
500W
Suggested PSU
550 W
900 W
Outputs
1x HDMI 2.1a3x DisplayPort 2.1
No outputs
Power Connectors
2x 8-pin
2x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
N/A
OpenCL
2.2
3.0
Vulkan
1.3
N/A
Shader Model
6.8
N/A
▲ Specs Compare
Data sourced from official specifications and benchmark tests.