AMD Radeon Instinct MI25 vs AMD Radeon RX 6800S
GPU Specs Compare
Graphics Card
Release Date
Jun 2017
Jan 2022
Generation
Radeon Instinct
Mobility Radeon
Type
Professional
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
1400 MHz
1800 MHz
Boost Clock
1500 MHz
2100 MHz
Memory Clock
852 MHz
2000 MHz
Memory
Memory Size
16GB
8GB
Memory Type
HBM2
GDDR6
Memory Bus
2048bit
128bit
Bandwidth
436.2GB/s
256.0GB/s
Render Config
Compute Units
64
32
Shading Units
4096
2048
TMUs
256
128
ROPs
64
64
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
4 MB
2 MB
RT Cores
-
32
L3 Cache
-
32 MB
Theoretical Performance
Pixel Rate
96.00 GPixel/s
134.4 GPixel/s
Texture Rate
384.0 GTexel/s
268.8 GTexel/s
FP16 (half)
24.58 TFLOPS
17.20 TFLOPS
FP32 (float)
12.29 TFLOPS
8.602 TFLOPS
FP64 (double)
768.0 GFLOPS
537.6 GFLOPS
Graphics Processor
GPU Name
Vega 10
Navi 23
GPU Variant
Vega 10 XT GL(215-0894124)
-
Architecture
GCN 5.0
RDNA 2.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
7 nm
Transistors
12.5 billion
11.06 billion
Die Size
495 mm²
237 mm²
Board Design
TDP
300W
100W
Suggested PSU
700 W
-
Outputs
No outputs
No outputs
Power Connectors
2x 8-pin
None
Graphics Features
DirectX
12 (12_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.2
1.3
Shader Model
6.4
6.5