AMD Radeon RX 6900 XTX vs AMD Radeon Pro Vega 56
GPU · Specs Compare
Graphics Card
Release Date
Unknown
Aug 2017
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
1138 MHz
Boost Clock
2435 MHz
1250 MHz
Memory Clock
2250 MHz
786 MHz
Memory
Memory Size
16GB
8GB
Memory Type
GDDR6
HBM2
Memory Bus
256bit
2048bit
Bandwidth
576.0GB/s
402.4GB/s
Render Config
Compute Units
80
56
Shading Units
5120
3584
TMUs
320
224
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
—
Theoretical Performance
Pixel Rate
311.7 GPixel/s
80.00 GPixel/s
Texture Rate
779.2 GTexel/s
280.0 GTexel/s
FP16 (half)
49.87 TFLOPS
17.92 TFLOPS
FP32 (float)
24.93 TFLOPS
8.960 TFLOPS
FP64 (double)
1.558 TFLOPS
560.0 GFLOPS
Graphics Processor
GPU Name
Navi 21
Vega 10
GPU Variant
Navi 21 XTXH(215-121000247)
Vega 10 XL(215-0894216)
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
330W
210W
Suggested PSU
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
None
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
6.4
▲ Specs Compare
Data sourced from official specifications and benchmark tests.