AMD Radeon RX Vega 56 vs AMD Radeon RX 6900 XTX
GPU · Specs Compare
Graphics Card
Release Date
Aug 2017
Unknown
Generation
Vega
Navi II
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1156 MHz
2075 MHz
Boost Clock
1471 MHz
2435 MHz
Memory Clock
800 MHz
2250 MHz
Memory
Memory Size
8GB
16GB
Memory Type
HBM2
GDDR6
Memory Bus
2048bit
256bit
Bandwidth
409.6GB/s
576.0GB/s
Render Config
Compute Units
56
80
Shading Units
3584
5120
TMUs
224
320
ROPs
64
128
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
4 MB
4 MB
RT Cores
—
80
L3 Cache
—
128 MB
Theoretical Performance
Pixel Rate
94.14 GPixel/s
311.7 GPixel/s
Texture Rate
329.5 GTexel/s
779.2 GTexel/s
FP16 (half)
21.09 TFLOPS
49.87 TFLOPS
FP32 (float)
10.54 TFLOPS
24.93 TFLOPS
FP64 (double)
659.0 GFLOPS
1.558 TFLOPS
Graphics Processor
GPU Name
Vega 10
Navi 21
GPU Variant
Vega 10 XL(215-0894216)
Navi 21 XTXH(215-121000247)
Architecture
GCN 5.0
RDNA 2.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
7 nm
Transistors
12.5 billion
26.8 billion
Die Size
495 mm²
520 mm²
Board Design
TDP
210W
330W
Suggested PSU
550 W
700 W
Outputs
1x HDMI 2.0b3x DisplayPort 1.4a
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
Power Connectors
2x 8-pin
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
6.4
6.5
Benchmark
3DMark Time Spy
6,783
—
3DMark Time Spy Extreme
3,310
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.