NVIDIA GB10 vs AMD Radeon Sky 500
GPU Specs Compare
Graphics Card
Release Date
Oct 2025
Mar 2013
Generation
Server Blackwell
Radeon Sky
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1665 MHz
-
Boost Clock
2418 MHz
-
Memory Clock
1067 MHz
1200 MHz
Memory
Memory Size
128GB
4GB
Memory Type
LPDDR5X
GDDR5
Memory Bus
256bit
256bit
Bandwidth
273.2GB/s
153.6GB/s
Render Config
SM Count
48
-
Shading Units
6144
1280
TMUs
384
80
ROPs
48
32
Tensor Cores
384
-
RT Cores
48
-
L1 Cache
256 KB (per SM)
16 KB (per CU)
L2 Cache
50 MB
512 KB
Compute Units
-
20
Theoretical Performance
Pixel Rate
116.1 GPixel/s
30.40 GPixel/s
Texture Rate
928.5 GTexel/s
76.00 GTexel/s
FP16 (half)
29.71 TFLOPS
-
FP32 (float)
29.71 TFLOPS
2.432 TFLOPS
FP64 (double)
464.3 GFLOPS
152.0 GFLOPS
Graphics Processor
GPU Name
GB20B
Pitcairn
Architecture
Blackwell 2.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
3 nm
28 nm
Transistors
Unknown
2.8 billion
Die Size
Unknown
212 mm²
GPU Variant
-
Pitcairn XT GL(215-0828073)
Board Design
TDP
140W
150W
Suggested PSU
300 W
450 W
Outputs
1x HDMI
1x DisplayPort 1.2
Power Connectors
None
1x 6-pin
Graphics Features
DirectX
N/A
12 (11_1)
OpenGL
N/A
4.6
OpenCL
3.0
1.2
Vulkan
N/A
1.2
CUDA
12.1
-
Shader Model
N/A
5.1