AMD Radeon RX 8800 XT vs AMD Radeon R9 M385X
GPU Specs Compare
Graphics Card
Release Date
Unknown
May 2015
Generation
Navi IV(RX 8000)
Gem System
Type
Desktop
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1295 MHz
1000 MHz
Boost Clock
2430 MHz
1100 MHz
Memory Clock
2438 MHz
1200 MHz
Memory
Memory Size
16GB
4GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
128bit
Bandwidth
624.1GB/s
76.80GB/s
Render Config
Compute Units
64
14
Shading Units
4096
896
TMUs
256
56
ROPs
96
16
RT Cores
64
-
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
4 MB
256 KB
L3 Cache
64 MB
-
Theoretical Performance
Pixel Rate
233.3 GPixel/s
17.60 GPixel/s
Texture Rate
622.1 GTexel/s
61.60 GTexel/s
FP16 (half)
39.81 TFLOPS
-
FP32 (float)
19.91 TFLOPS
1.971 TFLOPS
FP64 (double)
622.1 GFLOPS
123.2 GFLOPS
Graphics Processor
GPU Name
Navi 48
Strato
GPU Variant
Navi 48 XT
Strato XT
Architecture
RDNA 4.0
GCN 2.0
Foundry
TSMC
TSMC
Process Size
4 nm
28 nm
Transistors
Unknown
2.08 billion
Die Size
Unknown
160 mm²
Board Design
TDP
220W
Unknown
Suggested PSU
550 W
-
Outputs
1x HDMI 2.1a3x DisplayPort 2.1
Portable Device Dependent
Power Connectors
2x 8-pin
-
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.2
2.1
Vulkan
1.3
1.2.170
Shader Model
6.8
6.5