AMD Radeon RX 6900 XTX vs AMD Radeon E9390 PCIe
GPU Specs Compare
Graphics Card
Release Date
Unknown
Oct 2019
Generation
Navi II
Embedded
Type
Desktop
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
2075 MHz
713 MHz
Boost Clock
2435 MHz
1089 MHz
Memory Clock
2250 MHz
1250 MHz
Memory
Memory Size
16GB
8GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
256bit
Bandwidth
576.0GB/s
160.0GB/s
Render Config
Compute Units
80
28
Shading Units
5120
1792
TMUs
320
112
ROPs
128
32
RT Cores
80
-
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
4 MB
2 MB
L3 Cache
128 MB
-
Theoretical Performance
Pixel Rate
311.7 GPixel/s
34.85 GPixel/s
Texture Rate
779.2 GTexel/s
122.0 GTexel/s
FP16 (half)
49.87 TFLOPS
3.903 TFLOPS
FP32 (float)
24.93 TFLOPS
3.903 TFLOPS
FP64 (double)
1.558 TFLOPS
243.9 GFLOPS
Graphics Processor
GPU Name
Navi 21
Ellesmere
GPU Variant
Navi 21 XTXH(215-121000247)
-
Architecture
RDNA 2.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
7 nm
14 nm
Transistors
26.8 billion
5.7 billion
Die Size
520 mm²
232 mm²
Board Design
TDP
330W
75W
Suggested PSU
700 W
-
Outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
4x DisplayPort 1.4a
Power Connectors
2x 8-pin
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.3
1.2
Shader Model
6.5
6.4