AMD Radeon RX 460 (Desktop) vs NVIDIA GeForce GT 645 OEM

Comparative analysis of AMD Radeon RX 460 (Desktop) 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 - G3D Mark, PassMark - G2D Mark, Geekbench - OpenCL, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), 3DMark Fire Strike - Graphics Score, GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).

AMD Radeon RX 460 (Desktop)

NVIDIA GeForce GT 645 OEM

Differences

Reasons to consider the AMD Radeon RX 460 (Desktop)

Videocard is newer: launch date 4 year(s) 3 month(s) later
Around 40% higher core clock speed: 1090 MHz vs 776 MHz
Around 81% higher texture fill rate: 67.2 GTexel / s vs 37.2 GTexel / s
3.1x more pipelines: 896 vs 288
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 14 nm vs 40 nm
Around 46% lower typical power consumption: 70 Watt vs 102 Watt
2x more maximum memory size: 2 GB vs 1 GB
Around 83% higher memory clock speed: 7000 MHz vs 3828 MHz
2x better performance in PassMark - G3D Mark: 4102 vs 2006
Around 30% better performance in PassMark - G2D Mark: 577 vs 443

Specifications (specs)
Launch date	8 August 2016 vs 24 April 2012
Core clock speed	1090 MHz vs 776 MHz
Texture fill rate	67.2 GTexel / s vs 37.2 GTexel / s
Pipelines	896 vs 288
Manufacturing process technology	14 nm vs 40 nm
Thermal Design Power (TDP)	70 Watt vs 102 Watt
Maximum memory size	2 GB vs 1 GB
Memory clock speed	7000 MHz vs 3828 MHz
Benchmarks
PassMark - G3D Mark	4102 vs 2006
PassMark - G2D Mark	577 vs 443

Reasons to consider the NVIDIA GeForce GT 645 OEM

406.4x better floating-point performance: 894.0 gflops vs 2.2 TFLOPs

Floating-point performance	894.0 gflops vs 2.2 TFLOPs

Compare benchmarks

GPU 1: AMD Radeon RX 460 (Desktop)
GPU 2: NVIDIA GeForce GT 645 OEM

PassMark - G3D Mark

GPU 1

GPU 2

4102

2006

PassMark - G2D Mark

GPU 1

GPU 2

577

443

Name	AMD Radeon RX 460 (Desktop)	NVIDIA GeForce GT 645 OEM
PassMark - G3D Mark	4102	2006
PassMark - G2D Mark	577	443
Geekbench - OpenCL	17594
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	55
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	970.421
CompuBench 1.5 Desktop - T-Rex (Frames/s)	4.656
CompuBench 1.5 Desktop - Video Composition (Frames/s)	76.881
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	237.944
GFXBench 4.0 - Car Chase Offscreen (Frames)	6821
GFXBench 4.0 - Car Chase Offscreen (Fps)	115.4
3DMark Fire Strike - Graphics Score	1730
GFXBench 4.0 - T-Rex (Frames)		1914
GFXBench 4.0 - T-Rex (Fps)		1914

Compare specifications (specs)

	AMD Radeon RX 460 (Desktop)	NVIDIA GeForce GT 645 OEM
Essentials
Architecture	GCN 4.0	Fermi 2.0
Code name	Baffin	GF114
Design	Radeon RX 400 Series
GCN generation	4th Gen
Launch date	8 August 2016	24 April 2012
Launch price (MSRP)	$86
Place in performance rating	565	568
Price now	$179.50
Type	Desktop	Desktop
Value for money (0-100)	33.86
Technical info
Boost clock speed	1200 MHz
Compute units	14
Core clock speed	1090 MHz	776 MHz
Floating-point performance	2.2 TFLOPs	894.0 gflops
GPU Power	35-48 Watt
Manufacturing process technology	14 nm	40 nm
Pipelines	896	288
Stream Processors	896
Texture fill rate	67.2 GTexel / s	37.2 GTexel / s
Thermal Design Power (TDP)	70 Watt	102 Watt
Transistor count	3,000 million	1,950 million
Video outputs and ports
Display Connectors	1x DVI, 1x HDMI, 1x DisplayPort	2x DVI, 1x mini-HDMI
DisplayPort support
Dual-link DVI support
HDMI
VGA
Compatibility, dimensions and requirements
Bridgeless CrossFire
Interface	PCIe 3.0 x8	PCIe 2.0 x16
Length	170 mm	210 mm
Recommended system power (PSU)	400 Watt
Supplementary power connectors	None
API support
DirectX	12	12.0 (11_0)
OpenCL	2.0
OpenGL	4.5	4.6
Vulkan
Memory
Maximum RAM amount	2 GB	1 GB
Memory bandwidth	112 GB/s	91.9 GB / s
Memory bus width	128 bit	192 Bit
Memory clock speed	7000 MHz	3828 MHz
Memory type	GDDR5	GDDR5
Shared memory	0
Technologies
4K H264 Decode
4K H264 Encode
AMD Eyefinity
AMD Radeon™ Chill
AMD Radeon™ ReLive
DisplayPort 1.3 HBR / 1.4 HDR Ready
FreeSync
H265/HEVC Decode
H265/HEVC Encode
HDMI 2.0
HDMI 4K Support
PowerTune
Unified Video Decoder (UVD)
Video Code Engine (VCE)
Virtual Super Resolution (VSR)
ZeroCore