NVIDIA GeForce RTX 4090 D vs AMD Radeon Instinct MI8
GPU Specs Compare
Graphics Card
Release Date
Dec 2023
Dec 2016
Generation
GeForce 40
Radeon Instinct
Type
Desktop
Professional
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
2280 MHz
-
Boost Clock
2520 MHz
-
Memory Clock
1313 MHz
500 MHz
Memory
Memory Size
24GB
4GB
Memory Type
GDDR6X
HBM
Memory Bus
384bit
4096bit
Bandwidth
1008GB/s
512.0GB/s
Render Config
SM Count
114
-
Shading Units
14592
4096
TMUs
456
256
ROPs
176
64
Tensor Cores
456
-
RT Cores
114
-
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
72 MB
2 MB
Compute Units
-
64
Theoretical Performance
Pixel Rate
443.5 GPixel/s
64.00 GPixel/s
Texture Rate
1149 GTexel/s
256.0 GTexel/s
FP16 (half)
73.54 TFLOPS
8.192 TFLOPS
FP32 (float)
73.54 TFLOPS
8.192 TFLOPS
FP64 (double)
1149 GFLOPS
512.0 GFLOPS
Graphics Processor
GPU Name
AD102
Fiji
GPU Variant
AD102-250-A1
Fiji XT CA(215-0862120)
Architecture
Ada Lovelace
GCN 3.0
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
76.3 billion
8.9 billion
Die Size
609 mm²
596 mm²
Board Design
TDP
425W
175W
Suggested PSU
800 W
450 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
No outputs
Power Connectors
1x 16-pin
1x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.3
1.2.170
CUDA
8.9
-
Shader Model
6.7
6.5