AMD Radeon RX 640 Mobile vs NVIDIA B200 SXM6
GPU · Specs Compare
Graphics Card
Release Date
May 2019
Nov 2024
Generation
Mobility Radeon
Server Blackwell
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x8
PCIe 6.0 x16
Clock Speeds
Base Clock
1082 MHz
120 MHz
Boost Clock
1218 MHz
1830 MHz
Memory Clock
1500 MHz
2000 MHz
Memory
Memory Size
2GB
180GB
Memory Type
GDDR5
HBM3e
Memory Bus
64bit
8192bit
Bandwidth
48.00GB/s
8.19TB/s
Render Config
Compute Units
10
—
Shading Units
640
18944
TMUs
40
592
ROPs
16
24
L1 Cache
16 KB (per CU)
256 KB (per SM)
L2 Cache
512 KB
126 MB
SM Count
—
148
Tensor Cores
—
592
Theoretical Performance
Pixel Rate
19.49 GPixel/s
43.92 GPixel/s
Texture Rate
48.72 GTexel/s
1083.4 GTexel/s
FP16 (half)
1.559 TFLOPS
1109.4 TFLOPS
FP32 (float)
1.559 TFLOPS
69.34 TFLOPS
FP64 (double)
97.44 GFLOPS
34.67 TFLOPS
Graphics Processor
GPU Name
Polaris 23
GB100
GPU Variant
Polaris 23 XT
GB100-886N-A1
Architecture
GCN 4.0
Blackwell
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
5 nm
Transistors
2.2 billion
208 billion
Die Size
103 mm²
1628 mm²
Board Design
TDP
50W
1000W
Outputs
No outputs
No outputs
Power Connectors
None
—
Suggested PSU
—
1400 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
—
10.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.