AMD Radeon RX 6500 XT vs NVIDIA B300
GPU · Specs Compare
Graphics Card
Release Date
Jan 2022
Sep 2025
Generation
Navi II
Server Blackwell
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x4
PCIe 5.0 x16
Clock Speeds
Base Clock
2310 MHz
1665 MHz
Boost Clock
2815 MHz
2032 MHz
Memory Clock
2248 MHz
2000 MHz
Memory
Memory Size
4GB
144GB
Memory Type
GDDR6
HBM3e
Memory Bus
64bit
4096bit
Bandwidth
143.9GB/s
4.10TB/s
Render Config
Compute Units
16
—
Shading Units
1024
18944
TMUs
64
592
ROPs
32
24
RT Cores
16
—
L1 Cache
128 KB per Array
256 KB (per SM)
L2 Cache
1024 KB
50 MB
L3 Cache
16 MB
—
SM Count
—
148
Tensor Cores
—
592
Theoretical Performance
Pixel Rate
90.08 GPixel/s
48.77 GPixel/s
Texture Rate
180.2 GTexel/s
1202.9 GTexel/s
FP16 (half)
11.53 TFLOPS
1231.8 TFLOPS
FP32 (float)
5.765 TFLOPS
76.99 TFLOPS
FP64 (double)
360.3 GFLOPS
1202.9 GFLOPS
Graphics Processor
GPU Name
Navi 24
GB110
GPU Variant
Navi 24 XT(215-135000006)
—
Architecture
RDNA 2.0
Blackwell Ultra
Foundry
TSMC
TSMC
Process Size
6 nm
5 nm
Transistors
5.4 billion
104 billion
Die Size
107 mm²
Unknown
Board Design
TDP
107W
1400W
Suggested PSU
300 W
1800 W
Outputs
1x HDMI 2.11x DisplayPort 1.4a
No outputs
Power Connectors
1x 6-pin
—
Graphics Features
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
N/A
OpenCL
2.2
3.0
Vulkan
1.3
N/A
Shader Model
6.6
N/A
CUDA
—
10.3
▲ Specs Compare
Data sourced from official specifications and benchmark tests.