AMD Radeon RX 8800 XT vs AMD Radeon RX 6800
GPU Specs Compare
Graphics Card
Release Date
Unknown
Oct 2020
Generation
Navi IV(RX 8000)
Navi II
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1295 MHz
1700 MHz
Boost Clock
2430 MHz
2105 MHz
Memory Clock
2438 MHz
2000 MHz
Memory
Memory Size
16GB
16GB
Memory Type
GDDR6
GDDR6
Memory Bus
256bit
256bit
Bandwidth
624.1GB/s
512.0GB/s
Render Config
Compute Units
64
60
Shading Units
4096
3840
TMUs
256
240
ROPs
96
96
RT Cores
64
60
L1 Cache
128 KB per Array
128 KB per Array
L2 Cache
4 MB
4 MB
L3 Cache
64 MB
128 MB
Theoretical Performance
Pixel Rate
233.3 GPixel/s
202.1 GPixel/s
Texture Rate
622.1 GTexel/s
505.2 GTexel/s
FP16 (half)
39.81 TFLOPS
32.33 TFLOPS
FP32 (float)
19.91 TFLOPS
16.17 TFLOPS
FP64 (double)
622.1 GFLOPS
1010 GFLOPS
Graphics Processor
GPU Name
Navi 48
Navi 21
GPU Variant
Navi 48 XT
Navi 21 XL(215-121000187)
Architecture
RDNA 4.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
4 nm
7 nm
Transistors
Unknown
26.8 billion
Die Size
Unknown
520 mm²
Board Design
TDP
220W
250W
Suggested PSU
550 W
600 W
Outputs
1x HDMI 2.1a3x DisplayPort 2.1
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
Power Connectors
2x 8-pin
2x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.2
2.1
Vulkan
1.3
1.3
Shader Model
6.8
6.5
📊 Benchmark
3DMark Time Spy
-
16,182
3DMark Time Spy Extreme
-
7,771
3DMark Speed Way
-
3,062