ATI Mobility Radeon HD 3450 vs GeForce GTX 675MX

Primary details

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

Place in the ranking	586	not rated
Place by popularity	not in top-100	not in top-100
Power efficiency	5.68	no data
Architecture	Kepler (2012−2018)	TeraScale (2005−2013)
GPU code name	GK104	M82
Market segment	Laptop	Laptop
Release date	1 October 2012 (13 years ago)	7 January 2008 (18 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	960	40
Core clock speed	600 MHz	500 MHz
Number of transistors	3,540 million	181 million
Manufacturing process technology	28 nm	55 nm
Power consumption (TDP)	100 Watt	12 Watt
Texture fill rate	52.32	2.000
Floating-point processing power	1.256 TFLOPS	0.04 TFLOPS
ROPs	32	4
TMUs	80	4
L1 Cache	80 KB	no data
L2 Cache	512 KB	64 KB

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).

Laptop size	large	no data
Bus support	PCI Express 2.0	no data
Interface	MXM-B (3.0)	MXM-II
Supplementary power connectors	None	no data
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	GDDR5	DDR2
Maximum RAM amount	2 GB	256 MB
Memory bus width	256 Bit	64 Bit
Memory clock speed	1800 MHz	400 MHz
Memory bandwidth	115.2 GB/s	6.4 GB/s
Shared memory	-	-

Connectivity and outputs

This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.

Display Connectors	No outputs	No outputs
HDMI	+	-
HDCP	+	-
Maximum VGA resolution	Up to 2048x1536	no data

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

Optimus

+

-

API and SDK support

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

DirectX	12 API	10.1
Shader Model	5.1	4.1
OpenGL	4.5	3.3
OpenCL	1.1	N/A
Vulkan	1.1.126	N/A
CUDA	+	-

Synthetic benchmarks

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

---

---

Pros & cons summary

---

Recency	1 October 2012	7 January 2008
Maximum RAM amount	2 GB	256 MB
Chip lithography	28 nm	55 nm
Power consumption (TDP)	100 Watt	12 Watt