AMD Radeon Pro 580X vs NVIDIA B300 SXM6 AC
GPU Specs Compare
Graphics Card
Release Date
Mar 2019
Sep 2025
Generation
Radeon Pro Mac
Server Blackwell
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 6.0 x16
Clock Speeds
Base Clock
1100 MHz
1665 MHz
Boost Clock
1200 MHz
2032 MHz
Memory Clock
1710 MHz
2000 MHz
Memory
Memory Size
8GB
288GB
Memory Type
GDDR5
HBM3e
Memory Bus
256bit
8192bit
Bandwidth
218.9GB/s
8.19TB/s
Render Config
Compute Units
36
-
Shading Units
2304
18944
TMUs
144
592
ROPs
32
24
L1 Cache
16 KB (per CU)
256 KB (per SM)
L2 Cache
2 MB
126 MB
SM Count
-
148
Tensor Cores
-
592
Theoretical Performance
Pixel Rate
38.40 GPixel/s
48.77 GPixel/s
Texture Rate
172.8 GTexel/s
1202.9 GTexel/s
FP16 (half)
5.530 TFLOPS
76.99 TFLOPS
FP32 (float)
5.530 TFLOPS
76.99 TFLOPS
FP64 (double)
345.6 GFLOPS
1202.9 GFLOPS
Graphics Processor
GPU Name
Ellesmere
GB110
GPU Variant
Ellesmere XTA(216-0886220)
-
Architecture
GCN 4.0
Blackwell Ultra
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
5 nm
Transistors
5.7 billion
208 billion
Die Size
232 mm²
1628 mm²
Board Design
TDP
185W
1100W
Outputs
2x HDMI 2.0b
No outputs
Power Connectors
None
-
Suggested PSU
-
1500 W
Graphics Features
DirectX
12 (12_0)
N/A
OpenGL
4.6
N/A
OpenCL
2.1
3.0
Vulkan
1.2
N/A
Shader Model
6.4
N/A
CUDA
-
10.3
📊 Benchmark
Blender
338
-