AMD Radeon HD 8970M vs NVIDIA B300
GPU · Specs Compare
Graphics Card
Release Date
May 2013
Sep 2025
Generation
Solar System
Server Blackwell
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
850 MHz
1665 MHz
Boost Clock
900 MHz
2032 MHz
Memory Clock
1200 MHz
2000 MHz
Memory
Memory Size
4GB
144GB
Memory Type
GDDR5
HBM3e
Memory Bus
256bit
4096bit
Bandwidth
153.6GB/s
4.10TB/s
Render Config
Compute Units
20
—
Shading Units
1280
18944
TMUs
80
592
ROPs
32
24
L1 Cache
16 KB (per CU)
256 KB (per SM)
L2 Cache
512 KB
50 MB
SM Count
—
148
Tensor Cores
—
592
Theoretical Performance
Pixel Rate
28.80 GPixel/s
48.77 GPixel/s
Texture Rate
72.00 GTexel/s
1202.9 GTexel/s
FP32 (float)
2.304 TFLOPS
76.99 TFLOPS
FP64 (double)
144.0 GFLOPS
1202.9 GFLOPS
FP16 (half)
—
1231.8 TFLOPS
Graphics Processor
GPU Name
Neptune
GB110
GPU Variant
Neptune XT(216-0847000)
—
Architecture
GCN 1.0
Blackwell Ultra
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
2.8 billion
104 billion
Die Size
212 mm²
Unknown
Board Design
TDP
100W
1400W
Outputs
No outputs
No outputs
Suggested PSU
—
1800 W
Graphics Features
DirectX
12 (11_1)
N/A
OpenGL
4.6
N/A
OpenCL
1.2
3.0
Vulkan
1.2
N/A
Shader Model
5.1
N/A
CUDA
—
10.3
▲ Specs Compare
Data sourced from official specifications and benchmark tests.