AMD Radeon RX 9070 XT vs AMD Radeon Instinct MI8
GPU Specs Compare
Graphics Card
Release Date
Mar 2025
Dec 2016
Generation
Navi IV
Radeon Instinct
Type
Desktop
Professional
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1660 MHz
-
Boost Clock
2970 MHz
-
Memory Clock
2518 MHz
500 MHz
Memory
Memory Size
16GB
4GB
Memory Type
GDDR6
HBM
Memory Bus
256bit
4096bit
Bandwidth
644.6GB/s
512.0GB/s
Render Config
Compute Units
64
64
Shading Units
4096
4096
TMUs
256
256
ROPs
128
64
Tensor Cores
128
-
RT Cores
64
-
L1 Cache
128
16 KB (per CU)
L2 Cache
8 MB
2 MB
L3 Cache
64 MB
-
Theoretical Performance
Pixel Rate
380.2 GPixel/s
64.00 GPixel/s
Texture Rate
760.3 GTexel/s
256.0 GTexel/s
FP16 (half)
97.32 TFLOPS
8.192 TFLOPS
FP32 (float)
48.66 TFLOPS
8.192 TFLOPS
FP64 (double)
1.521 TFLOPS
512.0 GFLOPS
Graphics Processor
GPU Name
Navi 48
Fiji
GPU Variant
Navi 48 XTX
Fiji XT CA(215-0862120)
Architecture
RDNA 4.0
GCN 3.0
Foundry
TSMC
TSMC
Process Size
4 nm
28 nm
Transistors
53.9 billion
8.9 billion
Die Size
357 mm²
596 mm²
Board Design
TDP
304W
175W
Suggested PSU
700 W
450 W
Outputs
1x HDMI 2.1b3x DisplayPort 2.1a
No outputs
Power Connectors
2x 8-pin
1x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.2
2.1
Vulkan
1.4
1.2.170
Shader Model
6.8
6.5
📊 Benchmark
3DMark Time Spy
30,445
-
3DMark Time Spy Extreme
14,633
-
3DMark Speed Way
6,403
-