NVIDIA GeForce RTX 4080 Laptop GPU vs Intel Arc A770M

NVIDIA GeForce RTX 4080 Laptop GPU

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The NVIDIA GeForce RTX 4080 Laptop GPU (Codename GN21-X9) is a high-end laptop GPU. It is based on the AD104 chip as the desktop RTX 4070 Ti and use the Ada Lovelace architecture. The AD104 chip offers a maximum of 7.680 shaders (e.g., the RTX 4070 Ti Desktop) from which RTX 4080 Laptop uses 7.424 and a 192 Bit memory bus. The RTX 4080 mobile uses 12 GB GDDR6 dedicated graphics memory with a clock speed of 16 or 20 Gbps (effective). The TGP (Total Graphics Power) can be configured between 60 and 150 Watt (+ 25 Watt Dynamic Boost from the CPU) leading to different performance levels (the desktop RTX 4070 Ti uses 285 Watt for comparisons). The boost clock speed ranges from 1350 MHz (at 60 Watt TGP) up to 2280 MHz (150W). Therefore, the performance is also depending a lot on the power setting used for the RTX 4080 mobile in the laptop.

The synthetic performance of the RTX 4080 is clearly above the mobile RTX 3080 Ti in our tests and only bested by the mobile RTX 4090. In actual games we saw that even demanding games with Raytracing enabled (like F1 23) could be played in QHD and maximum settings. Less demanding games like Baldur's Gate 3 can be fluently played in 4k (see results below).

The RTX 4080 offers 232 tensor cores (4th gen) that enable DLSS 3 including frame generation for supported games. Furthermore, 58 raytracing cores (4rd gen) can be used for raytracing effects in supported games.

The AD103 chip is manufactured in 5nm at TSMC (4N process).

Intel Arc A770M

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The Intel Arc A770M is a dedicated mobile lower- mid-range graphics card for laptops based on Xe HPG microarchitecture. It uses the ACM-G10 chip and offers all of the 32 Xe-cores (512 ALUs), 32 ray tracing units and a 256-bit memory bus for 12 GB GDDR6 graphics memory. The chip can clock from 300 MHz (low frequency mode) to 1650 MHz (high frequency) or in short bursts 2050 MHz (Turbo). The chip integrates 21.7 billion transistors, uses a BGA2660 package (soldered), and the die measures 406 mm2.

The performance of the Arc A770M is not yet known. The power consumption is similar to a RTX 3070 and therefore we see the performance slightly below a RTX 3070 mobile.

The chip also integrates two media engines for VP9, AVC, HEVC, and AV1 8k en- and decoding. The 4 display pipes support up to 4x 4k120 HDR via DMI 2.0B or DisplayPort 2.0 10G. 

The A770M is produced in 6nm at TSMC (N6 process) and supports dynamic power share (using Deep Link) with 12th gen Intel CPUs (Alder Lake).

	NVIDIA GeForce RTX 4080 Laptop GPU	Intel Arc A770M
Arc Series	NVIDIA GeForce RTX 4090 Laptop GPU 9728 @ 2.04 GHz 256 Bit @ 20000 MHz NVIDIA GeForce RTX 4080 Laptop GPU 7424 @ 1.86 - 2.28 GHz 192 Bit @ 20000 MHz NVIDIA GeForce RTX 4070 Laptop GPU 4608 @ 1.61 - 2.18 GHz 128 Bit @ 16000 MHz NVIDIA GeForce RTX 4060 Laptop GPU 3072 @ 2.37 GHz 128 Bit @ 16000 MHz NVIDIA GeForce RTX 4050 Laptop GPU 2560 @ 2.37 GHz 96 Bit @ 16000 MHz	Arc A770 4096 @ 2.1 - 2.4 GHz 256 Bit @ 16000 MHz Arc A750 3584 @ 2.05 - 2.4 GHz 256 Bit @ 16000 MHz Arc A580 3072 @ 1.7 - 2 GHz 256 Bit @ 16000 MHz A770M 512 @ 1.65 GHz 256 Bit @ 16000 MHz A730M 384 @ 1.1 GHz 192 Bit @ 14000 MHz A570M 16 @ 0.9 - 1.3 GHz 128 Bit @ 14000 MHz A550M 16 @ 0.9 - 2.01 GHz 128 Bit @ 14000 MHz A530M 12 @ 0.9 - 1.3 GHz 128 Bit @ 14000 MHz A370M 8 @ 1.55 GHz 64 Bit @ 14000 MHz Arc A380 1024 @ 2 GHz 96 Bit @ 15500 MHz A310 6 @ 2 GHz 64 Bit @ 15500 MHz A350M 6 @ 1.15 GHz 64 Bit @ 14000 MHz
Codename	GN21-X9	Alchemist
Architecture	Ada Lovelace	Xe HPG
Pipelines	7424 - unified	512 - unified
TMUs	232
ROPs	80
Raytracing Cores	58	32
Tensor / AI Cores	232
Core Speed	1860 - 2280 (Boost) MHz	1650 MHz
Cache	L2: 48 MB	L1: 6 MB, L2: 16 MB
Memory Speed	20000 effective = 2250 MHz	16000 MHz
Memory Bus Width	192 Bit	256 Bit
Memory Type	GDDR6X	GDDR6
Max. Amount of Memory	12 GB	16 GB
Shared Memory	no	no
API	DirectX 12 Ultimate, Shader 6.7, OpenGL 4.6, OpenCL 3.0, Vulkan 1.3	DirectX 12_2, OpenGL 4.6, Vulkan 1.3
Power Consumption	150 Watt (60 - 150 Watt TGP)	150 Watt (120 - 150 Watt TGP)
Transistors	76.3 Billion	21.7 Billion
technology	5 nm	6 nm
PCIe	4.0 x16	4 16x
Displays	4 Displays (max.), HDMI 2.1, DisplayPort 1.4a	4 Displays (max.), HDMI 2.0b, DisplayPort 2.0 10G Ready
Notebook Size	large	large
Date of Announcement	03.01.2023	30.03.2022
Link to Manufacturer Page	www.nvidia.com	ark.intel.com
Predecessor	GeForce RTX 3080 Laptop GPU
Memory Bandwidth		512 GB/s
Die Size		406 mm²

Benchmarks