AMD Radeon Vega 8 vs AMD Radeon RX 6800
GPU · Specs Compare
Graphics Card
Release Date
Jan 2021
Oct 2020
Generation
Cezanne
Navi II
Type
Integrated
Desktop
Bus Interface
IGP
PCIe 4.0 x16
Clock Speeds
Base Clock
300 MHz
1700 MHz
Boost Clock
2000 MHz
2105 MHz
Memory Clock
System Shared
2000 MHz
Memory
Memory Size
System Shared
16GB
Memory Type
System Shared
GDDR6
Memory Bus
System Shared
256bit
Bandwidth
System Dependent
512.0GB/s
Render Config
Compute Units
8
60
Shading Units
512
3840
TMUs
32
240
ROPs
8
96
RT Cores
—
60
L1 Cache
—
128 KB per Array
L2 Cache
—
4 MB
L3 Cache
—
128 MB
Theoretical Performance
Pixel Rate
16.00 GPixel/s
202.1 GPixel/s
Texture Rate
64.00 GTexel/s
505.2 GTexel/s
FP16 (half)
4.096 TFLOPS
32.33 TFLOPS
FP32 (float)
2.048 TFLOPS
16.17 TFLOPS
FP64 (double)
128.0 GFLOPS
1010 GFLOPS
Graphics Processor
GPU Name
Cezanne
Navi 21
Architecture
GCN 5.1
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
7 nm
7 nm
Transistors
9.8 billion
26.8 billion
Die Size
156 mm²
520 mm²
GPU Variant
—
Navi 21 XL(215-121000187)
Board Design
TDP
45W
250W
Outputs
No outputs
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
893
16,182
3DMark Time Spy Extreme
423
7,771
3DMark Speed Way
—
3,062
▲ Specs Compare
Data sourced from official specifications and benchmark tests.