GeForce RTX 4080 vs Radeon RX 6900 XTX
We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 4080 and 16GB VRAM Radeon RX 6900 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 4080 's Advantages
Boost Clock has increased by 3% (2505MHz vs 2435MHz)
Larger VRAM bandwidth (716.8GB/s vs 576.0GB/s)
4608 additional rendering cores
Lower TDP (320W vs 330W)
Score
Benchmark
FP32 (float)
GeForce RTX 4080
+95%
48740
Radeon RX 6900 XTX
24930
Graphics Card
Sep 2022
Release Date
Unknown
GeForce 40
Generation
Navi II
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
2205 MHz
Base Clock
2075 MHz
2505 MHz
Boost Clock
2435 MHz
1400 MHz
Memory Clock
2250 MHz
Memory
16GB
Memory Size
16GB
GDDR6X
Memory Type
GDDR6
256bit
Memory Bus
256bit
716.8GB/s
Bandwidth
576.0GB/s
Render Config
-
Compute Units
80
76
SM Count
-
9728
Shading Units
5120
304
TMUs
320
112
ROPs
128
304
Tensor Cores
-
76
RT Cores
80
128 KB (per SM)
L1 Cache
128 KB per Array
64 MB
L2 Cache
4 MB
-
L3 Cache
128 MB
Theoretical Performance
280.6 GPixel/s
Pixel Rate
311.7 GPixel/s
761.5 GTexel/s
Texture Rate
779.2 GTexel/s
48.74 TFLOPS
FP16 (half)
49.87 TFLOPS
48.74 TFLOPS
FP32 (float)
24.93 TFLOPS
761.5 GFLOPS
FP64 (double)
1.558 TFLOPS
Board Design
320W
TDP
330W
700 W
Suggested PSU
700 W
1x HDMI 2.1
3x DisplayPort 1.4a
Outputs
1x HDMI 2.1
2x DisplayPort 1.4a
1x USB Type-C
1x 16-pin
Power Connectors
2x 8-pin
Graphics Processor
AD103
GPU Name
Navi 21
AD103-300-A1
GPU Variant
Navi 21 XTXH
(215-121000247)
Ada Lovelace
Architecture
RDNA 2.0
TSMC
Foundry
TSMC
5 nm
Process Size
7 nm
45.9 billion
Transistors
26.8 billion
379 mm²
Die Size
520 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.3
Vulkan
1.3
8.9
CUDA
-
6.7
Shader Model
6.5