AMD Radeon RX Vega 56 Mobile vs AMD Radeon RX 6800
GPU · Specs Compare
Graphics Card
Release Date
Jun 2018
Oct 2020
Generation
Mobility Radeon
Navi II
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1138 MHz
1700 MHz
Boost Clock
1301 MHz
2105 MHz
Memory Clock
800 MHz
2000 MHz
Memory
Memory Size
8GB
16GB
Memory Type
HBM2
GDDR6
Memory Bus
2048bit
256bit
Bandwidth
409.6GB/s
512.0GB/s
Render Config
Compute Units
56
60
Shading Units
3584
3840
TMUs
224
240
ROPs
64
96
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
4 MB
4 MB
RT Cores
—
60
L3 Cache
—
128 MB
Theoretical Performance
Pixel Rate
83.26 GPixel/s
202.1 GPixel/s
Texture Rate
291.4 GTexel/s
505.2 GTexel/s
FP16 (half)
18.65 TFLOPS
32.33 TFLOPS
FP32 (float)
9.326 TFLOPS
16.17 TFLOPS
FP64 (double)
582.8 GFLOPS
1010 GFLOPS
Graphics Processor
GPU Name
Vega 10
Navi 21
GPU Variant
Vega 10 XL(215-0894216)
Navi 21 XL(215-121000187)
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
120W
250W
Outputs
1x HDMI 2.0b3x DisplayPort 1.4a
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
Power Connectors
None
2x 8-pin
Suggested PSU
—
600 W
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
—
16,182
3DMark Time Spy Extreme
—
7,771
3DMark Speed Way
—
3,062
▲ Specs Compare
Data sourced from official specifications and benchmark tests.