GeForce GT 755M Mac Edition vs ATI Radeon HD 4830

Place in the ranking	856	865
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.28	no data
Power efficiency	1.62	2.96
Architecture	TeraScale (2005−2013)	Kepler (2012−2018)
GPU code name	RV770	GK107
Market segment	Desktop	Laptop
Release date	21 October 2008 (16 years ago)	8 November 2013 (11 years ago)
Launch price (MSRP)	$130	no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

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	640	384
Core clock speed	575 MHz	1085 MHz
Number of transistors	956 million	1,270 million
Manufacturing process technology	55 nm	28 nm
Power consumption (TDP)	95 Watt	50 Watt
Texture fill rate	18.40	34.72
Floating-point processing power	0.736 TFLOPS	0.8333 TFLOPS
ROPs	16	16
TMUs	32	32

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 2.0 x16	PCIe 3.0 x16
Length	246 mm	no data
Width	1-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	GDDR3	GDDR5
Maximum RAM amount	512 MB	1 GB
Memory bus width	256 Bit	128 Bit
Memory clock speed	900 MHz	1250 MHz
Memory bandwidth	57.6 GB/s	80 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 S-Video

No outputs

API compatibility

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

DirectX	10.1 (10_1)	12 (11_0)
Shader Model	4.1	5.1
OpenGL	3.3	4.6
OpenCL	1.1	1.2
Vulkan	N/A	1.1.126
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	2.25	2.16
Recency	21 October 2008	8 November 2013
Maximum RAM amount	512 MB	1 GB
Chip lithography	55 nm	28 nm
Power consumption (TDP)	95 Watt	50 Watt

ATI HD 4830 has a 4.2% higher aggregate performance score.

GT 755M Mac Edition, on the other hand, has an age advantage of 5 years, a 100% higher maximum VRAM amount, a 96.4% more advanced lithography process, and 90% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Radeon HD 4830 and GeForce GT 755M Mac Edition.

Be aware that Radeon HD 4830 is a desktop card while GeForce GT 755M Mac Edition is a notebook one.

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