AMD Radeon Pro Vega 16 vs AMD Radeon RX 6800 XT
GPU Specs Compare
Graphics Card
Release Date
Nov 2018
Oct 2020
Generation
Radeon Pro Mac
Navi II
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
815 MHz
1825 MHz
Boost Clock
1190 MHz
2250 MHz
Memory Clock
1200 MHz
2000 MHz
Memory
Memory Size
4GB
16GB
Memory Type
HBM2
GDDR6
Memory Bus
1024bit
256bit
Bandwidth
307.2GB/s
512.0GB/s
Render Config
Compute Units
16
72
Shading Units
1024
4608
TMUs
64
288
ROPs
32
128
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
1024 KB
4 MB
RT Cores
-
72
L3 Cache
-
128 MB
Theoretical Performance
Pixel Rate
38.08 GPixel/s
288.0 GPixel/s
Texture Rate
76.16 GTexel/s
648.0 GTexel/s
FP16 (half)
4.874 TFLOPS
41.47 TFLOPS
FP32 (float)
2.437 TFLOPS
20.74 TFLOPS
FP64 (double)
152.3 GFLOPS
1296 GFLOPS
Graphics Processor
GPU Name
Vega 12
Navi 21
GPU Variant
Vega 12 XLA
Navi 21 XT(215-121000177)
Architecture
GCN 5.0
RDNA 2.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
7 nm
Transistors
Unknown
26.8 billion
Die Size
Unknown
520 mm²
Board Design
TDP
75W
300W
Outputs
No outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
Suggested PSU
-
700 W
Power Connectors
-
2x 8-pin
Graphics Features
DirectX
12 (12_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.2
1.3
Shader Model
6.3
6.5
📊 Benchmark
3DMark Time Spy
-
19,329