AMD Radeon RX 540 OEM vs NVIDIA GeForce GT 645 OEM

Comparative analysis of AMD Radeon RX 540 OEM and NVIDIA GeForce GT 645 OEM videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory, Technologies. Benchmark videocards performance analysis: PassMark - G2D Mark, PassMark - G3D Mark, Geekbench - OpenCL, GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).

AMD Radeon RX 540 OEM

NVIDIA GeForce GT 645 OEM

Differences

Reasons to consider the AMD Radeon RX 540 OEM

Videocard is newer: launch date 4 year(s) 11 month(s) later
Around 57% higher core clock speed: 1219 MHz vs 776 MHz
1048.7x more texture fill rate: 39.01 GTexel/s vs 37.2 GTexel / s
Around 78% higher pipelines: 512 vs 288
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 40 nm
Around 57% lower typical power consumption: 65 Watt vs 102 Watt
4x more maximum memory size: 4 GB vs 1 GB
Around 57% higher memory clock speed: 6000 MHz vs 3828 MHz

Launch date	18 April 2017 vs 24 April 2012
Core clock speed	1219 MHz vs 776 MHz
Texture fill rate	39.01 GTexel/s vs 37.2 GTexel / s
Pipelines	512 vs 288
Manufacturing process technology	28 nm vs 40 nm
Thermal Design Power (TDP)	65 Watt vs 102 Watt
Maximum memory size	4 GB vs 1 GB
Memory clock speed	6000 MHz vs 3828 MHz

Reasons to consider the NVIDIA GeForce GT 645 OEM

745x better floating-point performance: 894.0 gflops vs 1.2 TFLOPs
Around 20% better performance in PassMark - G2D Mark: 443 vs 368
Around 8% better performance in PassMark - G3D Mark: 2006 vs 1857

Specifications (specs)
Floating-point performance	894.0 gflops vs 1.2 TFLOPs
Benchmarks
PassMark - G2D Mark	443 vs 368
PassMark - G3D Mark	2006 vs 1857

Compare benchmarks

GPU 1: AMD Radeon RX 540 OEM
GPU 2: NVIDIA GeForce GT 645 OEM

PassMark - G2D Mark

GPU 1

GPU 2

368

443

PassMark - G3D Mark

GPU 1

GPU 2

1857

2006

Name	AMD Radeon RX 540 OEM	NVIDIA GeForce GT 645 OEM
PassMark - G2D Mark	368	443
PassMark - G3D Mark	1857	2006
Geekbench - OpenCL	9416
GFXBench 4.0 - Manhattan (Frames)	2296
GFXBench 4.0 - Manhattan (Fps)	2296
GFXBench 4.0 - T-Rex (Frames)		1914
GFXBench 4.0 - T-Rex (Fps)		1914

Compare specifications (specs)

	AMD Radeon RX 540 OEM	NVIDIA GeForce GT 645 OEM
Essentials
Architecture	GCN 3.0	Fermi 2.0
Code name	Cape Verde	GF114
Design	Radeon RX 500 Series
GCN generation	3rd Gen
Launch date	18 April 2017	24 April 2012
Place in performance rating	623	557
Type	Laptop	Desktop
Technical info
Boost clock speed	1219 MHz
Compute units	8
Core clock speed	1219 MHz	776 MHz
Floating-point performance	1.2 TFLOPs	894.0 gflops
Manufacturing process technology	28 nm	40 nm
Pipelines	512	288
Pixel fill rate	19.50 GP/s
Render output units	16
Stream Processors	512
Texture fill rate	39.01 GTexel/s	37.2 GTexel / s
Texture Units	32
Thermal Design Power (TDP)	65 Watt	102 Watt
Transistor count	1,500 million	1,950 million
Video outputs and ports
DisplayPort support
Dual-link DVI support
HDMI
VGA
Display Connectors		2x DVI, 1x mini-HDMI
Compatibility, dimensions and requirements
Interface	PCIe 3.0 x16	PCIe 2.0 x16
Supplementary power connectors	1x 6-pin
Length		210 mm
API support
DirectX	12	12.0 (11_0)
OpenCL	2.0
OpenGL	4.5	4.6
Vulkan
Memory
Maximum RAM amount	4 GB	1 GB
Memory bandwidth	96 GB/s	91.9 GB / s
Memory bus width	128 bit	192 Bit
Memory clock speed	6000 MHz	3828 MHz
Memory type	GDDR5	GDDR5
Technologies
4K H264 Decode
4K H264 Encode
AMD Eyefinity
AMD Radeon™ Chill
AMD Radeon™ ReLive
AppAcceleration
Enduro
FreeSync
H265/HEVC Decode
H265/HEVC Encode
HDMI 4K Support
PowerTune
TressFX
TrueAudio
Unified Video Decoder (UVD)
Video Code Engine (VCE)