Nvidia could be readying B30A accelerator for Chinese market — new Blackwell chip reportedly beats H20 and even H100 while complying with U.S. export controls

GPU

B30A (rumored)

HGX H20

H100

B200

B300 (Ultra)

Packaging

CoWoS-S

CoWoS-S

CoWoS-S

CoWoS-L

CoWoS-L

FP4 PFLOPs (per Package)

7.5

–

–

10

15

FP8/INT6 PFLOPs (per Package)

5

0.296

2

4.5

10

INT8 PFLOPs (per Package)

0.1595

0.296

2

4.5

0.319

BF16 PFLOPs (per Package)

2.5

0.148

0.99

2.25

5

TF32 PFLOPs (per Package)

1.25

0.074

0.495

1.12

2.5

FP32 PFLOPs (per Package)

0.0415

0.044

0.067

1.12

0.083

FP64/FP64 Tensor TFLOPs (per Package)

0.695

0.01

34/67

40

1.39

Memory

144 GB HBM3E

96 GB HBM3E

80 GB HBM3

192 GB HBM3E

288 GB HBM3E

Memory Bandwidth

4 TB/s

4 TB/s

3.35 TB/s

8 TB/s

8 TB/s

HBM Stacks

4

4

5

8

8

NVLink

?

?

NVLink 4.0, 50 GT/s

NVLink 5.0, 200 GT/s

NVLink 5.0, 200 GT/s

GPU TDP

700W (?)

400W

700 W

1200 W

1400 W