ATI Radeon E2400 vs GeForce GTX 660 OEM

Place in the ranking	736	1432
Place by popularity	not in top-100	not in top-100
Power efficiency	1.77	0.36
Architecture	Kepler (2012−2018)	TeraScale (2005−2013)
GPU code name	GK104	RV610
Market segment	Desktop	Laptop
Release date	22 August 2012 (12 years ago)	28 June 2007 (17 years ago)

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	1152	40
Core clock speed	823 MHz	600 MHz
Boost clock speed	888 MHz	no data
Number of transistors	3,540 million	180 million
Manufacturing process technology	28 nm	65 nm
Power consumption (TDP)	130 Watt	25 Watt
Texture fill rate	85.25	2.400
Floating-point processing power	2.046 TFLOPS	0.048 TFLOPS
ROPs	32	4
TMUs	96	4

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).

Interface	PCIe 3.0 x16	MXM-II
Length	241 mm	no data
Width	2-slot	no data
Supplementary power connectors	1x 6-pin	no data

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	GDDR5	GDDR3
Maximum RAM amount	2 GB	128 MB
Memory bus width	256 Bit	64 Bit
Memory clock speed	1400 MHz	700 MHz
Memory bandwidth	179.2 GB/s	11.2 GB/s

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	2x DVI, 1x HDMI, 1x DisplayPort	No outputs
HDMI	+	-

API compatibility

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

DirectX	12 (11_0)	10.0 (10_0)
Shader Model	5.1	4.0
OpenGL	4.6	3.3
OpenCL	1.2	N/A
Vulkan	1.1.126	N/A
CUDA	3.0	-

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

Pros & cons summary

Performance score	3.36	0.13
Recency	22 August 2012	28 June 2007
Maximum RAM amount	2 GB	128 MB
Chip lithography	28 nm	65 nm
Power consumption (TDP)	130 Watt	25 Watt

GTX 660 OEM has a 2484.6% higher aggregate performance score, an age advantage of 5 years, a 1500% higher maximum VRAM amount, and a 132.1% more advanced lithography process.

ATI E2400, on the other hand, has 420% lower power consumption.

The GeForce GTX 660 OEM is our recommended choice as it beats the Radeon E2400 in performance tests.

Be aware that GeForce GTX 660 OEM is a desktop card while Radeon E2400 is a notebook one.

Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.