AMD Radeon RX 6800 XT vs AMD Radeon RX 9070 XT
GPU · Specs Compare
Graphics Card
Release Date
Oct 2020
Mar 2025
Generation
Navi II
Navi IV
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
1825 MHz
1660 MHz
Boost Clock
2250 MHz
2970 MHz
Memory Clock
2000 MHz
2518 MHz
Memory
Memory Size
16GB
16GB
Memory Type
GDDR6
GDDR6
Memory Bus
256bit
256bit
Bandwidth
512.0GB/s
644.6GB/s
Render Config
Compute Units
72
64
Shading Units
4608
4096
TMUs
288
256
ROPs
128
128
RT Cores
72
64
L1 Cache
128 KB per Array
128
L2 Cache
4 MB
8 MB
L3 Cache
128 MB
64 MB
Tensor Cores
—
128
Theoretical Performance
Pixel Rate
288.0 GPixel/s
380.2 GPixel/s
Texture Rate
648.0 GTexel/s
760.3 GTexel/s
FP16 (half)
41.47 TFLOPS
97.32 TFLOPS
FP32 (float)
20.74 TFLOPS
48.66 TFLOPS
FP64 (double)
1296 GFLOPS
1.521 TFLOPS
Graphics Processor
GPU Name
Navi 21
Navi 48
GPU Variant
Navi 21 XT(215-121000177)
Navi 48 XTX
Architecture
RDNA 2.0
RDNA 4.0
Foundry
TSMC
TSMC
Process Size
7 nm
4 nm
Transistors
26.8 billion
53.9 billion
Die Size
520 mm²
357 mm²
Board Design
TDP
300W
304W
Suggested PSU
700 W
700 W
Outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
1x HDMI 2.1b3x DisplayPort 2.1a
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
2.1
2.2
Vulkan
1.3
1.4
Shader Model
6.5
6.8
Benchmark
3DMark Time Spy
19,329
30,445
3DMark Time Spy Extreme
—
14,633
3DMark Speed Way
—
6,403
▲ Specs Compare
Data sourced from official specifications and benchmark tests.