NVIDIA GeForce RTX 3080 Ti vs AMD Radeon RX 6900 XTX
GPU Specs Compare
Graphics Card
Release Date
May 2021
Unknown
Generation
GeForce 30
Navi II
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1365 MHz
2075 MHz
Boost Clock
1665 MHz
2435 MHz
Memory Clock
1188 MHz
2250 MHz
Memory
Memory Size
12GB
16GB
Memory Type
GDDR6X
GDDR6
Memory Bus
384bit
256bit
Bandwidth
912.4GB/s
576.0GB/s
Render Config
SM Count
80
-
Shading Units
10240
5120
TMUs
320
320
ROPs
112
128
Tensor Cores
320
-
RT Cores
80
80
L1 Cache
128 KB (per SM)
128 KB per Array
L2 Cache
6 MB
4 MB
Compute Units
-
80
L3 Cache
-
128 MB
Theoretical Performance
Pixel Rate
186.5 GPixel/s
311.7 GPixel/s
Texture Rate
532.8 GTexel/s
779.2 GTexel/s
FP16 (half)
34.10 TFLOPS
49.87 TFLOPS
FP32 (float)
34.10 TFLOPS
24.93 TFLOPS
FP64 (double)
532.8 GFLOPS
1.558 TFLOPS
Graphics Processor
GPU Name
GA102
Navi 21
GPU Variant
GA102-225-A1
Navi 21 XTXH(215-121000247)
Architecture
Ampere
RDNA 2.0
Foundry
Samsung
TSMC
Process Size
8 nm
7 nm
Transistors
28.3 billion
26.8 billion
Die Size
628 mm²
520 mm²
Board Design
TDP
350W
330W
Suggested PSU
750 W
700 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
Power Connectors
1x 12-pin
2x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.3
1.3
CUDA
8.6
-
Shader Model
6.6
6.5
📊 Benchmark
3DMark Time Spy
19,629
-
3DMark Time Spy Extreme
10,032
-
3DMark Speed Way
5,330
-