AMD Radeon RX 6900 XTX vs AMD Radeon Pro Vega 20
GPU Specs Compare
Graphics Card
Release Date
Unknown
Nov 2018
Generation
Navi II
Radeon Pro Mac
Type
Desktop
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
2075 MHz
815 MHz
Boost Clock
2435 MHz
1283 MHz
Memory Clock
2250 MHz
740 MHz
Memory
Memory Size
16GB
4GB
Memory Type
GDDR6
HBM2
Memory Bus
256bit
1024bit
Bandwidth
576.0GB/s
189.4GB/s
Render Config
Compute Units
80
20
Shading Units
5120
1280
TMUs
320
80
ROPs
128
32
RT Cores
80
-
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
4 MB
1024 KB
L3 Cache
128 MB
-
Theoretical Performance
Pixel Rate
311.7 GPixel/s
41.06 GPixel/s
Texture Rate
779.2 GTexel/s
102.6 GTexel/s
FP16 (half)
49.87 TFLOPS
6.569 TFLOPS
FP32 (float)
24.93 TFLOPS
3.284 TFLOPS
FP64 (double)
1.558 TFLOPS
205.3 GFLOPS
Graphics Processor
GPU Name
Navi 21
Vega 12
GPU Variant
Navi 21 XTXH(215-121000247)
Vega 12 XTA
Architecture
RDNA 2.0
GCN 5.0
Foundry
TSMC
GlobalFoundries
Process Size
7 nm
14 nm
Transistors
26.8 billion
Unknown
Die Size
520 mm²
Unknown
Board Design
TDP
330W
100W
Suggested PSU
700 W
-
Outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
No outputs
Power Connectors
2x 8-pin
-
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.3
1.2
Shader Model
6.5
6.3
📊 Benchmark
3DMark Time Spy
-
2,596
3DMark Time Spy Extreme
-
1,211