ATI Radeon HD 5970 vs NVIDIA B300
GPU Specs Compare
Graphics Card
Release Date
Nov 2009
Sep 2025
Generation
Evergreen
Server Blackwell
Type
Desktop
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 5.0 x16
Clock Speeds
Memory Clock
1000 MHz
2000 MHz
Base Clock
-
1665 MHz
Boost Clock
-
2032 MHz
Memory
Memory Size
1024MB
144GB
Memory Type
GDDR5
HBM3e
Memory Bus
256bit
4096bit
Bandwidth
128.0GB/s
4.10TB/s
Render Config
Compute Units
20
-
Shading Units
1600
18944
TMUs
80
592
ROPs
32
24
L1 Cache
8 KB (per CU)
256 KB (per SM)
L2 Cache
512 KB
50 MB
SM Count
-
148
Tensor Cores
-
592
Theoretical Performance
Pixel Rate
23.20 GPixel/s
48.77 GPixel/s
Texture Rate
58.00 GTexel/s
1202.9 GTexel/s
FP32 (float)
2.320 TFLOPS
76.99 TFLOPS
FP64 (double)
464.0 GFLOPS
1202.9 GFLOPS
FP16 (half)
-
1231.8 TFLOPS
Graphics Processor
GPU Name
Hemlock
GB110
GPU Variant
Hemlock XT(215-0735075)
-
Architecture
TeraScale 2
Blackwell Ultra
Foundry
TSMC
TSMC
Process Size
40 nm
5 nm
Transistors
2.154 billion
104 billion
Die Size
334 mm²
Unknown
Board Design
TDP
294W
1400W
Suggested PSU
600 W
1800 W
Outputs
2x DVI1x mini-DisplayPort 1.1
No outputs
Power Connectors
1x 6-pin + 1x 8-pin
-
Graphics Features
DirectX
11.2 (11_0)
N/A
OpenGL
4.4
N/A
OpenCL
1.2
3.0
Vulkan
N/A
N/A
Shader Model
5.0
N/A
CUDA
-
10.3