AMD G-T48E vs Valve Steam Deck (AMD Custom APU 0405)

Last updated: 2024-04-12

CPU comparison with benchmarks


AMD G-T48E		Valve Steam Deck (AMD Custom APU 0405)
CPU comparison AMD G-T48E or Valve Steam Deck (AMD Custom APU 0405) - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results. The AMD G-T48E has 2 cores with 2 threads and clocks with a maximum frequency of 1.40 GHz. Up to GB of memory is supported in 1 memory channels. The AMD G-T48E was released in Q1/2012. The Valve Steam Deck (AMD Custom APU 0405) has 4 cores with 8 threads and clocks with a maximum frequency of 3.50 GHz. The CPU supports up to 16 GB of memory in 4 memory channels. The Valve Steam Deck (AMD Custom APU 0405) was released in Q4/2021.

AMD G (38)	Family	AMD Ryzen 5 (86)
AMD G (13)	CPU group	AMD Aerith (Steam Deck) (1)
1	Generation	3
Ontario (Bobcat)	Architecture	Aerith (Zen 2)
Mobile	Segment	Mobile
--	Predecessor	--
--	Successor	Valve Steam Deck (2023 Refresh)

CPU Cores and Base Frequency The AMD G-T48E has 2 CPU cores and can calculate 2 threads in parallel. The clock frequency of the AMD G-T48E is 1.40 GHz while the Valve Steam Deck (AMD Custom APU 0405) has 4 CPU cores and 8 threads can calculate simultaneously. The clock frequency of the Valve Steam Deck (AMD Custom APU 0405) is at 2.40 GHz (3.50 GHz).
AMD G-T48E	Characteristic	Valve Steam Deck (AMD Custom APU 0405)
2	Cores	4
2	Threads	8
normal	Core architecture	normal
No	Hyperthreading	Yes
No	Overclocking ?	No
1.40 GHz	Frequency	2.40 GHz
--	Turbo Frequency (1 Core)	3.50 GHz
--	Turbo Frequency (All Cores)	2.80 GHz

Artificial Intelligence and Machine Learning Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.
AMD G-T48E	Characteristic	Valve Steam Deck (AMD Custom APU 0405)
--	AI hardware	--
--	AI specifications	--

Internal Graphics The AMD G-T48E or Valve Steam Deck (AMD Custom APU 0405) has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
AMD Radeon HD 6250	GPU	AMD Custom Radeon Graphics (Steam Deck)
0.28 GHz	GPU frequency	1.00 GHz
--	GPU (Turbo)	1.60 GHz
3	GPU Generation	--
40 nm	Technology	7 nm
2	Max. displays	2
1	Compute units	8
80	Shader	512
No	Hardware Raytracing	No
No	Frame Generation	No
1 GB	Max. GPU Memory	8 GB
11	DirectX Version	12

Hardware codec support A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.
AMD Radeon HD 6250	GPU	AMD Custom Radeon Graphics (Steam Deck)
No	Codec h265 / HEVC (8 bit)	Decode / Encode
No	Codec h265 / HEVC (10 bit)	Decode / Encode
Decode	Codec h264	Decode / Encode
No	Codec VP9	Decode / Encode
No	Codec VP8	Decode / Encode
No	Codec AV1	No
Decode	Codec AVC	Decode / Encode
Decode	Codec VC-1	Decode
Decode / Encode	Codec JPEG	Decode / Encode

Memory & PCIe The AMD G-T48E can use up to GB of memory in 1 memory channels. The maximum memory bandwidth is 8.5 GB/s. The Valve Steam Deck (AMD Custom APU 0405) supports up to 16 GB of memory in 4 memory channels and achieves a memory bandwidth of up to 88.0 GB/s.
AMD G-T48E	Characteristic	Valve Steam Deck (AMD Custom APU 0405)
DDR3-1066	Memory	LPDDR5-5500
	Max. Memory	16 GB
1 (Single Channel)	Memory channels	4 (Quad Channel)
8.5 GB/s	Max. Bandwidth	88.0 GB/s
No	ECC	No
--	L2 Cache	2.00 MB
1.00 MB	L3 Cache	4.00 MB
--	PCIe version	3.0
--	PCIe lanes	8
--	PCIe Bandwidth	7.9 GB/s
Thermal Management The thermal design power (TDP for short) of the AMD G-T48E is 18 W, while the Valve Steam Deck (AMD Custom APU 0405) has a TDP of 15 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.
AMD G-T48E	Characteristic	Valve Steam Deck (AMD Custom APU 0405)
18 W	TDP (PL1 / PBP)	15 W
--	TDP (PL2)	--
--	TDP up	--
--	TDP down	4 W
--	Tjunction max.	100 °C
Technical details The AMD G-T48E is manufactured in 40 nm and has 1.00 MB cache. The Valve Steam Deck (AMD Custom APU 0405) is manufactured in 7 nm and has a 6.00 MB cache.
AMD G-T48E	Characteristic	Valve Steam Deck (AMD Custom APU 0405)
40 nm	Technology	7 nm
Unknown	Chip design	Monolithic
x86-64 (64 bit)	Instruction set (ISA)	x86-64 (64 bit)
SSE3, SSE4a	ISA extensions	SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
--	Socket	FF3
AMD-V	Virtualization	AMD-V, SVM
No	AES-NI	Yes
	Operating systems	SteamOS (Arch Linux)
Q1/2012	Release date	Q4/2021
--	Release price	--

show more data		show more data

AMD G-T48E 2C 2T @ 1.40 GHz buy now on Amazon and save! Valve Steam Deck (AMD Custom APU 0405) 4C 8T @ 2.40 GHz (3.50 GHz) buy now on Amazon and save!

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iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.


	AMD G-T48E AMD Radeon HD 6250 @ 0.28 GHz	45 (3%)
	Valve Steam Deck (AMD Custom APU 0405) AMD Custom Radeon Graphics (Steam Deck) @ 1.60 GHz	1638 (100%)

Cinebench 2024 (Single-Core)

The Cinebench 2024 benchmark is based on the Redshift rendering engine, which is also used in Maxon's 3D program Cinema 4D. The benchmark runs are each 10 minutes long to test whether the processor is limited by its heat generation.


	AMD G-T48E 2C 2T @ 1.40 GHz	0 (0%)
	Valve Steam Deck (AMD Custom APU 0405) 4C 8T @ 3.50 GHz	57 (100%)

Cinebench 2024 (Multi-Core)

The Multi-Core test of the Cinebench 2024 benchmark uses all cpu cores to render using the Redshift rendering engine, which is also used in Maxons Cinema 4D. The benchmark run is 10 minutes long to test whether the processor is limited by its heat generation.


	AMD G-T48E 2C 2T @ 1.40 GHz	0 (0%)
	Valve Steam Deck (AMD Custom APU 0405) 4C 8T @ 3.50 GHz	275 (100%)

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.


	AMD G-T48E 2C 2T @ 1.40 GHz	0 (0%)
	Valve Steam Deck (AMD Custom APU 0405) 4C 8T @ 3.50 GHz	975 (100%)

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.


	AMD G-T48E 2C 2T @ 1.40 GHz	0 (0%)
	Valve Steam Deck (AMD Custom APU 0405) 4C 8T @ 2.80 GHz	4359 (100%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.


	AMD G-T48E 2C 2T @ 1.40 GHz	0 (0%)
	Valve Steam Deck (AMD Custom APU 0405) 4C 8T @ 3.50 GHz	849 (100%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.


	AMD G-T48E 2C 2T @ 1.40 GHz	0 (0%)
	Valve Steam Deck (AMD Custom APU 0405) 4C 8T @ 2.80 GHz	3592 (100%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.


	AMD G-T48E 2C 2T @ 1.40 GHz	0 (0%)
	Valve Steam Deck (AMD Custom APU 0405) 4C 8T @ 3.50 GHz	1278 (100%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.


	AMD G-T48E 2C 2T @ 1.40 GHz	0 (0%)
	Valve Steam Deck (AMD Custom APU 0405) 4C 8T @ 2.80 GHz	4365 (100%)

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.


	AMD G-T48E 2C 2T @ 1.40 GHz	42 (100%)
	Valve Steam Deck (AMD Custom APU 0405) 4C 8T @ 3.50 GHz	0 (0%)

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.


	AMD G-T48E 2C 2T @ 1.40 GHz	78 (100%)
	Valve Steam Deck (AMD Custom APU 0405) 4C 8T @ 2.80 GHz	0 (0%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.


	AMD G-T48E 2C 2T @ 1.40 GHz	783 (100%)
	Valve Steam Deck (AMD Custom APU 0405) 4C 8T @ 2.80 GHz	0 (0%)

Devices using this processor
AMD G-T48E	Valve Steam Deck (AMD Custom APU 0405)
Unknown	Valve Steam Deck

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