NVIDIA GeForce RTX 5090 vs AMD Zhongshan Subor Z+ GPU
GPU · Specs Compare
Graphics Card
Release Date
Jan 2025
Aug 2018
Generation
GeForce 50
Console GPU
Type
Desktop
Game console
Bus Interface
PCIe 5.0 x16
—
Clock Speeds
Base Clock
2017 MHz
—
Boost Clock
2407 MHz
—
Memory Clock
1750 MHz
1200 MHz
Memory
Memory Size
32GB
8GB
Memory Type
GDDR7
GDDR5
Memory Bus
512bit
256bit
Bandwidth
1.79TB/s
153.6GB/s
Render Config
SM Count
170
—
Shading Units
21760
1536
TMUs
680
96
ROPs
176
32
Tensor Cores
680
—
RT Cores
170
—
L1 Cache
128 KB (per SM)
—
L2 Cache
96 MB
—
Compute Units
—
24
Theoretical Performance
Pixel Rate
423.6 GPixel/s
41.60 GPixel/s
Texture Rate
1636.8 GTexel/s
124.8 GTexel/s
FP16 (half)
104.8 TFLOPS
7.987 TFLOPS
FP32 (float)
104.8 TFLOPS
3.994 TFLOPS
FP64 (double)
1.637 TFLOPS
249.6 GFLOPS
Graphics Processor
GPU Name
GB202
Fenghuang
GPU Variant
GB202-300-A1
Zhongshan Subor
Architecture
Blackwell 2.0
GCN 5.0
Foundry
TSMC
TSMC
Process Size
5 nm
14 nm
Transistors
92.2 billion
Unknown
Die Size
750 mm²
397 mm²
Board Design
TDP
575W
100W
Suggested PSU
950 W
—
Outputs
1x HDMI 2.1b3x DisplayPort 2.1b
No outputs
Power Connectors
1x 16-pin
—
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.4
1.2
CUDA
12.0
—
Shader Model
6.9
6.2
Benchmark
3DMark Time Spy
46,923
—
3DMark Time Spy Extreme
25,766
—
3DMark Speed Way
14,614
—
Blender
14,945
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.