NVIDIA RTX A400 vs Qualcomm Adreno 642 Full Specs

Summary

768 Shaders 1.76GHz	768 Shaders 550MHz
4GB GDDR696GB/s placeholder	Shared Memory25.6GB/s LPDDR5·LPDDR4X
Peak·FP32·FP16 2.7 TFLOPS	Peak·FP32·FP16 844.8 GFLOPS
Form Factor PCIe Card	Form Factor iGPU
TDP 50W	TDP 5W

Highlights

Peak OPS

Peak OPS FP32 FP16 Tensor FP16-16 FP16-16 Tensor Sparse Tensor FP16-32 FP16-32 Tensor Sparse FP64 BF16 Tensor BF16 BF16 Tensor Sparse Tensor TF32 Tensor INT8 Tensor INT4 Memory Bandwidth TDP

RTX A40086.51 TOPSINT4 Tensor Sparse

x51.20

Adreno 6421.69 TFLOPSFP16

x1

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Theoretical Performance

Clock Speed1760MHz UC·Base·Boost·OC	Clock Speed550MHz UC·Base·Boost·OC
Peak OPS 86.51 TOPSINT4 Tensor Sparse	Peak OPS 1.69 TFLOPSFP16
Tensor FP16-16 10.81 TFLOPS FP16-16 Tensor Sparse 21.63 TFLOPS Tensor FP16-32 5.41 TFLOPS FP16-32 Tensor Sparse 10.81 TFLOPS	-
BF16 2.7 TFLOPS Tensor BF16 5.41 TFLOPS BF16 Tensor Sparse 10.81 TFLOPS	-
Tensor TF32 2.7 TFLOPS	Tensor TF32 -
FP32 2.7 TFLOPS	FP32 844.8 GFLOPS
FP64 42.24 GFLOPS	FP64 211.2 GFLOPS
Tensor INT4 43.25 TOPS	Tensor INT4 -
Tensor INT8 21.63 TOPS	-
Ray 4.08 TOPS	Ray -
Pixel Rate 28.2 GPixel/s	Pixel Rate 13.2 GPixel/s
Texture Rate 42.2 GTexel/s	Texture Rate 26.4 GTexel/s

Core Config

Shaders 768 Shaders	Shaders 768 Shaders
TMUs 24 TMUs	TMUs 48 TMUs
ROPs 16 ROPs	ROPs 24 ROPs
Tensor Cores 24 T-Cores	Tensor Cores -
RT Cores 6 RT-Cores	RT Cores -
SMs 6 SMs	EUs 6 EUs

Clocks

Base Clock 1GHz	Base Clock 490MHz
Boost Clock 1.76GHz	Boost Clock 550MHz

Cache

L1 64KB/SM Tex	L1 8KB/CU
L2 Cache 1MB shared	L2 Cache 128KB shared
L3 Cache -	L3 Cache 2MB shared

Memory

4GB GDDR6 placeholder	Shared Memory LPDDR5·LPDDR4X
Memory Bus 64-bit	Memory Bus 32-bit
Memory Speed 12GT/s	Memory Speed 6.4GT/s
Memory Bandwidth 96GB/s	Memory Bandwidth 25.6GB/s
ECC No	ECC No

Power & Thermals

TDP 50W

TDP 5W

Video Output

Max Resolution 7680x4320	Max Resolution 2520x1080
Refresh Rate Calculator 7680x4320 Resolution8K UHD Refresh Rate 60Hz	Refresh Rate Calculator 1920x1080 Resolution1080p FHD Refresh Rate 78Hz
Multi-Monitor 3	Multi-Monitor 1
Adaptive Sync G-Sync FreeSync	Adaptive Sync -
DSC Supported	DSC Not Supported
HDCP HDCP 2.3	HDCP -

Ports

4x Mini DisplayPort 1.4

-

API Support

Shader Model 6.6	Shader Model -
DirectX DirectX 12 Direct3D 12_2	DirectX DirectX 12 Direct3D 12_1
OpenGL 4.6 OpenCL 3 Vulkan 1.2	OpenGL 3.2 OpenCL 2 Vulkan 1.1
CUDA 8.6 PureVideo HD VP11 VDPAU Feature Set K	-

Encoder

Encoder NVENC 7	Encoder Hexagon 770
Codec - - - - - AVC (H.264) HEVC (H.265)	Codec H.263 MPEG-4 VC-1 VP8 VP9 AVC (H.264) HEVC (H.265)

Decoder

Decoder NVDEC 5	Decoder Hexagon 770
Codec MPEG-1 MPEG-2 MPEG-4 VC-1 VP8 VP9 AVC (H.264) HEVC (H.265) AV1	Codec MPEG-1 MPEG-2 MPEG-4 VC-1 VP8 VP9 AVC (H.264) HEVC (H.265) -

Card

Form Factor PCIe Card	Form Factor iGPU
PCIe PCIe 4.0 x8 1-Slots	PCIe -
Height 69mm (2.72") Width 163mm (6.42") Depth 40mm (1.57")	-
Cooling Open-Air 1x Fan	Cooling Open-Air -

Chip

Manufacturer NVIDIA	Manufacturer Qualcomm
Chip Designer NVIDIA	Chip Designer Qualcomm
Architecture Ampere	Architecture Adreno 600
Family RTX A	Family Adreno 600
Branding	Branding
Codename NV177	Codename -
Chip Variant GA107-140-A1	Chip Variant -
Market Segment Workstation	Market Segment Smartphone
Release Date Apr 17, 2023	Release Date May 20, 2022

Fabrication

Foundry Samsung	Foundry TSMC
Fabrication Node 8N	Fabrication Node N6
Die Size 200mm²	Die Size -
Transistor Count 8.7B	Transistor Count -
Transistor Density 43.5 MTr/mm²	Transistor Density -

Images