NVIDIA GeForce RTX 4070 variant to feature AD103 GPU

Published: May 9th 2023, 12:05 GMT   Comments

Please note that this post is tagged as a rumor.

NVIDIA AD103 GPU for RTX 4070

NVIDIA might be preparing to use salvage dies for (currently) the lowest tier SKU in RTX 40 lineup.

Thus far, we have not heard about any Ada GPUs being repurposed for other SKUs, but is about to change. According to NVIDIA hardware leaker @kopite7kimi, the company has now set plans to introduce AD103 GPU for RTX 4070.

As we know, the full AD103 GPU is currently not used by any graphics card on the market, but the RTX 4080 is the closest we got with 9728 CUDA Cores and just 5% of the GPU disabled. The rumored RTX 4070 with AD103 GPU would be a different story. This SKU has 5888 CUDA cores, so should NVIDIA use the bigger GPU instead, this would mean 42% of the GPU partially disabled.

Board partners should not encounter issues with the GPU swap, as AD103 and AD104 are pin compatible. The AD103 GPU will be heavily cut and will use lower TDP, so they can easily adopt the same cooling designs. Questions that may arise would be related to L3 cache size, ROP count and encoding capabilities, as those features are usually affected by GPU swapping.

One should note however that GeForce desktop cards are no stranger to mixed GPU specs. Those are commonly sold on the Chinese market, and we have seen plethora of RTX 3070 and 3060 designs with non-standard GPUs. This may explain why NVIDIA is not displaying the exact GPU names on their official website, but only provides this information to reviewers. However, many board partners who use mix GPUs often create separate variants, just to make sure customers know what card they are buying.

NVIDIA GeForce RTX 4070 vs. 3070 Series
VideoCardz.comRTX 4070 TiRTX 4070 “AD103”RTX 4070RTX 3070 TiRTX 3070
Picture
Board-SKUPG141-SKU331TBCPG141-SKU344PG143-SKU15PG142-SKU10
ArchitectureAda (TSMC 4N)Ada (TSMC 4N)Ada (TSMC 4N)Ampere (SAMSUNG 8N)Ampere (SAMSUNG 8N)
GPUAD104-400AD103-???AD104-250GA104-400GA104-30X
L2 Cache
 
48 MB
TBC
 
36 MB
 
4 MB
 
4 MB
CUDA Cores
 
7680
 
5888
 
5888
 
6144
 
5888
RT Cores
 
60
 
46
 
46
 
48
 
46
Base Clock
 
2310 MHz
TBC
 
1920 MHz
 
1575 MHz
 
1500 MHz
Boost Clock
 
2610 MHz
TBC
 
2475 MHz
 
1770 MHz
 
1725 MHz
Max FP32 Compute
 
40 TFLOPS
TBC
 
29 TFLOPS
 
22 TFLOPS
 
20 TFLOPS
Memory
 
12 GB G6X
 
12 GB G6X
 
12 GB G6X
 
8 GB G6X
 
8 GB G6
Memory Bus
 
192-bit
 
192-bit
 
192-bit
 
256-bit
 
256-bit
Memory Speed
 
21 Gbps
 
21 Gbps
 
21 Gbps
 
19 Gbps
 
14 Gbps
Memory Bandwidth
 
504 GB/s
 
504 GB/s
 
504 GB/s
 
608 GB/s
 
448 GB/s
TDP
 
285W
TBC
 
200W
 
290W
 
220W
InterfacePCIe Gen4 x16PCIe Gen4 x16PCIe Gen4 x16PCIe Gen4 x16PCIe Gen4 x16
MSRP
 
799 USD
 
599 USD
 
599 USD
 
599 USD
 
499 USD
Release DateJanuary 5, 2023TBCApril 13, 2023June 10, 2021May 8, 2021

Source: @kopite7kimi




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