AMD Radeon R9 M290X vs AMD Radeon RX 8800 XT
GPU Specs Compare
Graphics Card
Release Date
Jan 2014
Unknown
Generation
Gem System
Navi IV(RX 8000)
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
850 MHz
1295 MHz
Boost Clock
900 MHz
2430 MHz
Memory Clock
1200 MHz
2438 MHz
Memory
Memory Size
4GB
16GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
256bit
Bandwidth
153.6GB/s
624.1GB/s
Render Config
Compute Units
20
64
Shading Units
1280
4096
TMUs
80
256
ROPs
32
96
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
512 KB
4 MB
RT Cores
-
64
L3 Cache
-
64 MB
Theoretical Performance
Pixel Rate
28.80 GPixel/s
233.3 GPixel/s
Texture Rate
72.00 GTexel/s
622.1 GTexel/s
FP32 (float)
2.304 TFLOPS
19.91 TFLOPS
FP64 (double)
144.0 GFLOPS
622.1 GFLOPS
FP16 (half)
-
39.81 TFLOPS
Graphics Processor
GPU Name
Neptune
Navi 48
GPU Variant
Neptune XT(216-0847000)
Navi 48 XT
Architecture
GCN 1.0
RDNA 4.0
Foundry
TSMC
TSMC
Process Size
28 nm
4 nm
Transistors
2.8 billion
Unknown
Die Size
212 mm²
Unknown
Board Design
TDP
100W
220W
Outputs
Portable Device Dependent
1x HDMI 2.1a3x DisplayPort 2.1
Power Connectors
None
2x 8-pin
Suggested PSU
-
550 W
Graphics Features
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1 (1.2)
2.2
Vulkan
1.2.170
1.3
Shader Model
6.5 (5.1)
6.8