Radeon 680M vs GeForce 9400 GT

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking	not rated	336
Place by popularity	not in top-100	not in top-100
Power efficiency	no data	22.28
Architecture	Tesla (2006−2010)	RDNA 2.0 (2020−2024)
GPU code name	G96C	Rembrandt+
Market segment	Desktop	Laptop
Release date	27 August 2008 (16 years ago)	3 January 2023 (1 year ago)
Launch price (MSRP)	$79.99	no data

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores	16	768
Core clock speed	550 MHz	2000 MHz
Boost clock speed	no data	2200 MHz
Number of transistors	314 million	13,100 million
Manufacturing process technology	55 nm	6 nm
Power consumption (TDP)	50 Watt	50 Watt
Maximum GPU temperature	105 °C	no data
Texture fill rate	4.400	105.6
Floating-point processing power	0.0448 TFLOPS	3.379 TFLOPS
ROPs	4	32
TMUs	8	48
Ray Tracing Cores	no data	12

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

Bus support	PCI-E 2.0	no data
Interface	PCIe 2.0 x16	PCIe 4.0 x8
Length	168 mm	no data
Height	4.376" (11.1 cm)	no data
Width	1-slot	no data
Supplementary power connectors	None	None
SLI options	+	-

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory type	DDR2	System Shared
Maximum RAM amount	512 MB	System Shared
Memory bus width	128 Bit	System Shared
Memory clock speed	400 MHz	System Shared
Memory bandwidth	12.8 GB/s	no data
Shared memory	no data	+

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display Connectors	Dual Link DVI	Portable Device Dependent
Multi monitor support	+	no data
HDMI	+	-
Maximum VGA resolution	2048x1536	no data
Audio input for HDMI	S/PDIF	no data

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX	11.1 (10_0)	12 Ultimate (12_2)
Shader Model	4.0	6.7
OpenGL	2.1	4.6
OpenCL	1.1	2.0
Vulkan	N/A	1.3
CUDA	+	-

Synthetic benchmark performance

Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.

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Pros & cons summary

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Recency	27 August 2008	3 January 2023
Chip lithography	55 nm	6 nm

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