AMD Radeon R7 250 vs NVIDIA GeForce GTX 645 OEM

Comparative analysis of AMD Radeon R7 250 and NVIDIA GeForce GTX 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 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps), 3DMark Fire Strike - Graphics Score.

 

Differences

Reasons to consider the AMD Radeon R7 250

  • Videocard is newer: launch date 5 month(s) later
  • 2x more maximum memory size: 2 GB vs 1 GB
  • Around 45% better performance in Geekbench - OpenCL: 7525 vs 5202
  • Around 46% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 20.161 vs 13.806
  • Around 8% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 1.655 vs 1.535
  • Around 9% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 30.046 vs 27.524
  • 2.5x better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 96.934 vs 38.664
  • Around 52% better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 2179 vs 1435
  • Around 2% better performance in GFXBench 4.0 - T-Rex (Frames): 3356 vs 3300
  • Around 52% better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 2179 vs 1435
  • Around 2% better performance in GFXBench 4.0 - T-Rex (Fps): 3356 vs 3300
Specifications (specs)
Launch date 8 October 2013 vs 22 April 2013
Maximum memory size 2 GB vs 1 GB
Benchmarks
Geekbench - OpenCL 7525 vs 5202
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 20.161 vs 13.806
CompuBench 1.5 Desktop - T-Rex (Frames/s) 1.655 vs 1.535
CompuBench 1.5 Desktop - Video Composition (Frames/s) 30.046 vs 27.524
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 96.934 vs 38.664
GFXBench 4.0 - Car Chase Offscreen (Frames) 2179 vs 1435
GFXBench 4.0 - T-Rex (Frames) 3356 vs 3300
GFXBench 4.0 - Car Chase Offscreen (Fps) 2179 vs 1435
GFXBench 4.0 - T-Rex (Fps) 3356 vs 3300

Reasons to consider the NVIDIA GeForce GTX 645 OEM

  • Around 77% higher texture fill rate: 39.55 GTexel / s vs 22.4 GTexel / s
  • Around 50% higher pipelines: 576 vs 384
  • Around 32% better floating-point performance: 949.2 gflops vs 716.8 gflops
  • Around 15% lower typical power consumption: 65 Watt vs 75 Watt
  • 3.5x more memory clock speed: 4000 MHz vs 1150 MHz
  • Around 79% better performance in PassMark - G3D Mark: 1883 vs 1051
  • Around 51% better performance in PassMark - G2D Mark: 428 vs 283
  • Around 80% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 546.51 vs 304.279
  • Around 11% better performance in GFXBench 4.0 - Manhattan (Frames): 3531 vs 3170
  • Around 11% better performance in GFXBench 4.0 - Manhattan (Fps): 3531 vs 3170
Specifications (specs)
Texture fill rate 39.55 GTexel / s vs 22.4 GTexel / s
Pipelines 576 vs 384
Floating-point performance 949.2 gflops vs 716.8 gflops
Thermal Design Power (TDP) 65 Watt vs 75 Watt
Memory clock speed 4000 MHz vs 1150 MHz
Benchmarks
PassMark - G3D Mark 1883 vs 1051
PassMark - G2D Mark 428 vs 283
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 546.51 vs 304.279
GFXBench 4.0 - Manhattan (Frames) 3531 vs 3170
GFXBench 4.0 - Manhattan (Fps) 3531 vs 3170

Compare benchmarks

GPU 1: AMD Radeon R7 250
GPU 2: NVIDIA GeForce GTX 645 OEM

PassMark - G3D Mark
GPU 1
GPU 2
1051
1883
PassMark - G2D Mark
GPU 1
GPU 2
283
428
Geekbench - OpenCL
GPU 1
GPU 2
7525
5202
CompuBench 1.5 Desktop - Face Detection (mPixels/s)
GPU 1
GPU 2
20.161
13.806
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)
GPU 1
GPU 2
304.279
546.51
CompuBench 1.5 Desktop - T-Rex (Frames/s)
GPU 1
GPU 2
1.655
1.535
CompuBench 1.5 Desktop - Video Composition (Frames/s)
GPU 1
GPU 2
30.046
27.524
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)
GPU 1
GPU 2
96.934
38.664
GFXBench 4.0 - Car Chase Offscreen (Frames)
GPU 1
GPU 2
2179
1435
GFXBench 4.0 - Manhattan (Frames)
GPU 1
GPU 2
3170
3531
GFXBench 4.0 - T-Rex (Frames)
GPU 1
GPU 2
3356
3300
GFXBench 4.0 - Car Chase Offscreen (Fps)
GPU 1
GPU 2
2179
1435
GFXBench 4.0 - Manhattan (Fps)
GPU 1
GPU 2
3170
3531
GFXBench 4.0 - T-Rex (Fps)
GPU 1
GPU 2
3356
3300
Name AMD Radeon R7 250 NVIDIA GeForce GTX 645 OEM
PassMark - G3D Mark 1051 1883
PassMark - G2D Mark 283 428
Geekbench - OpenCL 7525 5202
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 20.161 13.806
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 304.279 546.51
CompuBench 1.5 Desktop - T-Rex (Frames/s) 1.655 1.535
CompuBench 1.5 Desktop - Video Composition (Frames/s) 30.046 27.524
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 96.934 38.664
GFXBench 4.0 - Car Chase Offscreen (Frames) 2179 1435
GFXBench 4.0 - Manhattan (Frames) 3170 3531
GFXBench 4.0 - T-Rex (Frames) 3356 3300
GFXBench 4.0 - Car Chase Offscreen (Fps) 2179 1435
GFXBench 4.0 - Manhattan (Fps) 3170 3531
GFXBench 4.0 - T-Rex (Fps) 3356 3300
3DMark Fire Strike - Graphics Score 0

Compare specifications (specs)

AMD Radeon R7 250 NVIDIA GeForce GTX 645 OEM

Essentials

Architecture GCN 1.0 Kepler
Code name Oland GK106
Design AMD Radeon R7 200 Series
Launch date 8 October 2013 22 April 2013
Launch price (MSRP) $89
Place in performance rating 1087 968
Price now $78.34
Type Desktop Desktop
Value for money (0-100) 27.62

Technical info

Boost clock speed 1050 MHz
Floating-point performance 716.8 gflops 949.2 gflops
Manufacturing process technology 28 nm 28 nm
Pipelines 384 576
Stream Processors 384
Texture fill rate 22.4 GTexel / s 39.55 GTexel / s
Thermal Design Power (TDP) 75 Watt 65 Watt
Transistor count 1,040 million 2,540 million
Core clock speed 824 MHz

Video outputs and ports

Display Connectors 1x DVI, 1x HDMI, 1x VGA 1x DVI, 1x HDMI, 1x DisplayPort
DisplayPort support
Dual-link DVI support
HDMI
VGA

Compatibility, dimensions and requirements

Bus support PCIe 3.0
Interface PCIe 3.0 x8 PCIe 3.0 x16
Length 168 mm 147 mm
Supplementary power connectors N / A None

API support

DirectX 12 12.0 (11_0)
OpenGL 4.5 4.6

Memory

Maximum RAM amount 2 GB 1 GB
Memory bandwidth 72 GB/s 64 GB / s
Memory bus width 128 Bit 128 Bit
Memory clock speed 1150 MHz 4000 MHz
Memory type DDR3 / GDDR5 GDDR5
Shared memory 0

Technologies

AppAcceleration
CrossFire
DDMA audio
FreeSync