GeForce PCX 5900 vs 945A

Place in the ranking	638	1459
Place by popularity	not in top-100	not in top-100
Power efficiency	10.14	no data
Architecture	Maxwell (2014−2017)	Rankine (2003−2005)
GPU code name	GM108	NV35
Market segment	Laptop	Desktop
Release date	13 March 2015 (9 years ago)	17 March 2003 (21 year 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	384	no data
Core clock speed	1006 MHz	350 MHz
Boost clock speed	1189 MHz	no data
Number of transistors	no data	135 million
Manufacturing process technology	28 nm	130 nm
Power consumption (TDP)	33 Watt	no data
Texture fill rate	28.54	2.800
Floating-point processing power	0.9132 TFLOPS	no data
ROPs	8	4
TMUs	24	8

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 x8	PCIe 1.0 x16
Width	no data	1-slot
Supplementary power connectors	no data	None

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	DDR
Maximum RAM amount	1 GB	128 MB
Memory bus width	64 Bit	256 Bit
Memory clock speed	1253 MHz	275 MHz
Memory bandwidth	40.1 GB/s	17.6 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

No outputs

1x DVI, 1x VGA, 1x S-Video

API compatibility

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

DirectX	12 (11_0)	9.0a
Shader Model	5.1	no data
OpenGL	4.6	1.5 (2.1)
OpenCL	1.2	N/A
Vulkan	1.1.126	N/A
CUDA	5.0	-

Synthetic benchmark performance

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

Combined synthetic benchmark score

This is our combined benchmark score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

GeForce 945A 4.80
+5233%

PCX 5900 0.09

Passmark

This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.

GeForce 945A 1852
+5347%

PCX 5900 34

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	4.80	0.09
Recency	13 March 2015	17 March 2003
Maximum RAM amount	1 GB	128 MB
Chip lithography	28 nm	130 nm

GeForce 945A has a 5233.3% higher aggregate performance score, an age advantage of 11 years, a 700% higher maximum VRAM amount, and a 364.3% more advanced lithography process.

The GeForce 945A is our recommended choice as it beats the GeForce PCX 5900 in performance tests.

Be aware that GeForce 945A is a notebook card while GeForce PCX 5900 is a desktop one.

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