AMD Radeon RX 6900 XTX vs NVIDIA GeForce RTX 3080
GPU Specs Compare
Graphics Card
Release Date
Unknown
Sep 2020
Generation
Navi II
GeForce 30
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
2075 MHz
1440 MHz
Boost Clock
2435 MHz
1710 MHz
Memory Clock
2250 MHz
1188 MHz
Memory
Memory Size
16GB
10GB
Memory Type
GDDR6
GDDR6X
Memory Bus
256bit
320bit
Bandwidth
576.0GB/s
760.3GB/s
Render Config
Compute Units
80
-
Shading Units
5120
8704
TMUs
320
272
ROPs
128
96
RT Cores
80
68
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
4 MB
5 MB
L3 Cache
128 MB
-
SM Count
-
68
Tensor Cores
-
272
Theoretical Performance
Pixel Rate
311.7 GPixel/s
164.2 GPixel/s
Texture Rate
779.2 GTexel/s
465.1 GTexel/s
FP16 (half)
49.87 TFLOPS
29.77 TFLOPS
FP32 (float)
24.93 TFLOPS
29.77 TFLOPS
FP64 (double)
1.558 TFLOPS
465.1 GFLOPS
Graphics Processor
GPU Name
Navi 21
GA102
GPU Variant
Navi 21 XTXH(215-121000247)
GA102-200-KD-A1
Architecture
RDNA 2.0
Ampere
Foundry
TSMC
Samsung
Process Size
7 nm
8 nm
Transistors
26.8 billion
28.3 billion
Die Size
520 mm²
628 mm²
Board Design
TDP
330W
320W
Suggested PSU
700 W
700 W
Outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
2x 8-pin
1x 12-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
3.0
Vulkan
1.3
1.3
Shader Model
6.5
6.6
CUDA
-
8.6
📊 Benchmark
3DMark Time Spy
-
17,662
3DMark Time Spy Extreme
-
8,879