AMD Radeon RX 6800 vs AMD Radeon RX 7700
GPU Specs Compare
Graphics Card
Release Date
Oct 2020
Sep 2025
Generation
Navi II
Navi III
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1700 MHz
1900 MHz
Boost Clock
2105 MHz
2600 MHz
Memory Clock
2000 MHz
2430 MHz
Memory
Memory Size
16GB
16GB
Memory Type
GDDR6
GDDR6
Memory Bus
256bit
256bit
Bandwidth
512.0GB/s
622.1GB/s
Render Config
Compute Units
60
40
Shading Units
3840
2560
TMUs
240
160
ROPs
96
96
RT Cores
60
40
L1 Cache
128 KB per Array
128 KB per Array
L2 Cache
4 MB
2 MB
L3 Cache
128 MB
64 MB
Theoretical Performance
Pixel Rate
202.1 GPixel/s
249.6 GPixel/s
Texture Rate
505.2 GTexel/s
416.0 GTexel/s
FP16 (half)
32.33 TFLOPS
53.25 TFLOPS
FP32 (float)
16.17 TFLOPS
26.62 TFLOPS
FP64 (double)
1010 GFLOPS
832.0 GFLOPS
Graphics Processor
GPU Name
Navi 21
Navi 32
GPU Variant
Navi 21 XL(215-121000187)
Navi 32
Architecture
RDNA 2.0
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
7 nm
5 nm
Transistors
26.8 billion
28.1 billion
Die Size
520 mm²
346 mm²
Board Design
TDP
250W
200W
Suggested PSU
600 W
550 W
Outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C
Power Connectors
2x 8-pin
1x 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
1.3
Shader Model
6.5
6.8
📊 Benchmark
3DMark Time Spy
16,182
-
3DMark Time Spy Extreme
7,771
-
3DMark Speed Way
3,062
-