NVIDIA GeForce RTX 5090 D V2 vs AMD Radeon RX 6800 XT
GPU Specs Compare
Graphics Card
Release Date
Aug 2025
Oct 2020
Generation
GeForce 50
Navi II
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
2017 MHz
1825 MHz
Boost Clock
2407 MHz
2250 MHz
Memory Clock
1750 MHz
2000 MHz
Memory
Memory Size
24GB
16GB
Memory Type
GDDR7
GDDR6
Memory Bus
384bit
256bit
Bandwidth
1.34TB/s
512.0GB/s
Render Config
SM Count
170
-
Shading Units
21760
4608
TMUs
680
288
ROPs
176
128
Tensor Cores
680
-
RT Cores
170
72
L1 Cache
128 KB (per SM)
128 KB per Array
L2 Cache
96 MB
4 MB
Compute Units
-
72
L3 Cache
-
128 MB
Theoretical Performance
Pixel Rate
423.6 GPixel/s
288.0 GPixel/s
Texture Rate
1636.8 GTexel/s
648.0 GTexel/s
FP16 (half)
104.8 TFLOPS
41.47 TFLOPS
FP32 (float)
104.8 TFLOPS
20.74 TFLOPS
FP64 (double)
1.637 TFLOPS
1296 GFLOPS
Graphics Processor
GPU Name
GB202
Navi 21
GPU Variant
GB202-240-K1-A1
Navi 21 XT(215-121000177)
Architecture
Blackwell 2.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
5 nm
7 nm
Transistors
92.2 billion
26.8 billion
Die Size
750 mm²
520 mm²
Board Design
TDP
575W
300W
Suggested PSU
950 W
700 W
Outputs
1x HDMI 2.1b3x DisplayPort 2.1b
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
Power Connectors
1x 16-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
1.4
1.3
CUDA
12.0
-
Shader Model
6.8
6.5
📊 Benchmark
3DMark Time Spy
46,950
19,329
3DMark Time Spy Extreme
25,185
-