AMD Radeon R9 M385X vs NVIDIA GeForce GT 645 OEM

Comparative analysis of AMD Radeon R9 M385X 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: GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), 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 R9 M385X

NVIDIA GeForce GT 645 OEM

Differences

Reasons to consider the AMD Radeon R9 M385X

Videocard is newer: launch date 3 year(s) 0 month(s) later
Around 29% higher core clock speed: 1000 MHz vs 776 MHz
Around 66% higher texture fill rate: 61.6 GTexel / s vs 37.2 GTexel / s
3.1x more pipelines: 896 vs 288
2.2x better floating-point performance: 1,971 gflops vs 894.0 gflops
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 40 nm
4x more maximum memory size: 4 GB vs 1 GB
Around 75% better performance in GFXBench 4.0 - T-Rex (Frames): 3357 vs 1914
Around 75% better performance in GFXBench 4.0 - T-Rex (Fps): 3357 vs 1914

Specifications (specs)
Launch date	5 May 2015 vs 24 April 2012
Core clock speed	1000 MHz vs 776 MHz
Texture fill rate	61.6 GTexel / s vs 37.2 GTexel / s
Pipelines	896 vs 288
Floating-point performance	1,971 gflops vs 894.0 gflops
Manufacturing process technology	28 nm vs 40 nm
Maximum memory size	4 GB vs 1 GB
Benchmarks
GFXBench 4.0 - T-Rex (Frames)	3357 vs 1914
GFXBench 4.0 - T-Rex (Fps)	3357 vs 1914

Reasons to consider the NVIDIA GeForce GT 645 OEM

2.6x more memory clock speed: 3828 MHz vs 1500 MHz
Around 66% better performance in PassMark - G2D Mark: 443 vs 267
Around 1% better performance in PassMark - G3D Mark: 2006 vs 1994

Specifications (specs)
Memory clock speed	3828 MHz vs 1500 MHz
Benchmarks
PassMark - G2D Mark	443 vs 267
PassMark - G3D Mark	2006 vs 1994

Compare benchmarks

GPU 1: AMD Radeon R9 M385X
GPU 2: NVIDIA GeForce GT 645 OEM

PassMark - G2D Mark

GPU 1

GPU 2

267

443

PassMark - G3D Mark

GPU 1

GPU 2

1994

2006

GFXBench 4.0 - T-Rex (Frames)

GPU 1

GPU 2

3357

1914

GFXBench 4.0 - T-Rex (Fps)

GPU 1

GPU 2

3357

1914

Name	AMD Radeon R9 M385X	NVIDIA GeForce GT 645 OEM
GFXBench 4.0 - Car Chase Offscreen (Frames)	4079
GFXBench 4.0 - Car Chase Offscreen (Fps)	4079
PassMark - G2D Mark	267	443
PassMark - G3D Mark	1994	2006
Geekbench - OpenCL	49760
GFXBench 4.0 - Manhattan (Frames)	3707
GFXBench 4.0 - Manhattan (Fps)	3707
GFXBench 4.0 - T-Rex (Frames)	3357	1914
GFXBench 4.0 - T-Rex (Fps)	3357	1914

Compare specifications (specs)

	AMD Radeon R9 M385X	NVIDIA GeForce GT 645 OEM
Essentials
Architecture	GCN 2.0	Fermi 2.0
Code name	Strato	GF114
Design	AMD Radeon R9 300 Series
Launch date	5 May 2015	24 April 2012
Place in performance rating	573	570
Type	Desktop	Desktop
Technical info
Boost clock speed	1100 MHz
Core clock speed	1000 MHz	776 MHz
Floating-point performance	1,971 gflops	894.0 gflops
Manufacturing process technology	28 nm	40 nm
Pipelines	896	288
Texture fill rate	61.6 GTexel / s	37.2 GTexel / s
Transistor count	2,080 million	1,950 million
Thermal Design Power (TDP)		102 Watt
Video outputs and ports
Display Connectors	No outputs	2x DVI, 1x mini-HDMI
Eyefinity
Compatibility, dimensions and requirements
Bus support	PCIe 3.0
Interface	PCIe 3.0 x16	PCIe 2.0 x16
Laptop size	large
Length		210 mm
API support
DirectX	12	12.0 (11_0)
Mantle
OpenCL	Not Listed
OpenGL	4.4	4.6
Memory
Maximum RAM amount	4 GB	1 GB
Memory bandwidth	76.8 GB / s	91.9 GB / s
Memory bus width	128 bit	192 Bit
Memory clock speed	1500 MHz	3828 MHz
Memory type	GDDR5	GDDR5
Shared memory	0
Technologies
AMD Eyefinity
DirectCompute 5.0
DualGraphics
FreeSync
HD3D
PowerTune
Switchable graphics
ZeroCore