AMD Radeon RX 6900 XT vs AMD Radeon RX Vega 64 Liquid Cooling
GPU Specs Compare
Graphics Card
Release Date
Oct 2020
Aug 2017
Generation
Navi II
Vega
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1825 MHz
1406 MHz
Boost Clock
2250 MHz
1677 MHz
Memory Clock
2000 MHz
945 MHz
Memory
Memory Size
16GB
8GB
Memory Type
GDDR6
HBM2
Memory Bus
256bit
2048bit
Bandwidth
512.0GB/s
483.8GB/s
Render Config
Compute Units
80
64
Shading Units
5120
4096
TMUs
320
256
ROPs
128
64
RT Cores
80
-
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
4 MB
4 MB
L3 Cache
128 MB
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Theoretical Performance
Pixel Rate
288.0 GPixel/s
107.3 GPixel/s
Texture Rate
720.0 GTexel/s
429.3 GTexel/s
FP16 (half)
46.08 TFLOPS
27.48 TFLOPS
FP32 (float)
23.04 TFLOPS
13.74 TFLOPS
FP64 (double)
1440.0 GFLOPS
858.6 GFLOPS
Graphics Processor
GPU Name
Navi 21
Vega 10
GPU Variant
Navi 21 XTX(215-121000167)
Vega 10 XTX
Architecture
RDNA 2.0
GCN 5.0
Foundry
TSMC
GlobalFoundries
Process Size
7 nm
14 nm
Transistors
26.8 billion
12.5 billion
Die Size
520 mm²
495 mm²
Board Design
TDP
300W
345W
Suggested PSU
700 W
700 W
Outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
1x HDMI 2.0b3x DisplayPort 1.4a
Power Connectors
2x 8-pin
2x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.4
1.2
Shader Model
6.8
6.4
📊 Benchmark
3DMark Time Spy
20,764
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