Intel Iris Plus Graphics 645 vs AMD Radeon R9 280X

Comparative analysis of Intel Iris Plus Graphics 645 and AMD Radeon R9 280X videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, API support, Memory, Technologies, Compatibility, dimensions and requirements. Benchmark videocards performance analysis: Geekbench - OpenCL, PassMark - G2D Mark, PassMark - G3D Mark, GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), 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), 3DMark Fire Strike - Graphics Score.

 

Differences

Reasons to consider the Intel Iris Plus Graphics 645

  • Videocard is newer: launch date 5 year(s) 9 month(s) later
  • Around 15% higher boost clock speed: 1150 MHz vs 1000 MHz
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 14 nm vs 28 nm
  • 16.7x lower typical power consumption: 15 Watt vs 250 Watt
Launch date 10 July 2019 vs 8 October 2013
Boost clock speed 1150 MHz vs 1000 MHz
Manufacturing process technology 14 nm vs 28 nm
Thermal Design Power (TDP) 15 Watt vs 250 Watt

Reasons to consider the AMD Radeon R9 280X

  • 42.7x more pipelines: 2048 vs 48
  • Around 77% better performance in PassMark - G2D Mark: 688 vs 389
  • 3.6x better performance in PassMark - G3D Mark: 6216 vs 1727
  • 2.1x better performance in GFXBench 4.0 - Manhattan (Frames): 3700 vs 1780
  • 2.1x better performance in GFXBench 4.0 - Manhattan (Fps): 3700 vs 1780
  • Around 12% better performance in GFXBench 4.0 - T-Rex (Frames): 3357 vs 2992
  • Around 12% better performance in GFXBench 4.0 - T-Rex (Fps): 3357 vs 2992
  • 3.4x better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 9603 vs 2792
  • 3.4x better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 9603 vs 2792
Specifications (specs)
Pipelines 2048 vs 48
Benchmarks
PassMark - G2D Mark 688 vs 389
PassMark - G3D Mark 6216 vs 1727
GFXBench 4.0 - Manhattan (Frames) 3700 vs 1780
GFXBench 4.0 - Manhattan (Fps) 3700 vs 1780
GFXBench 4.0 - T-Rex (Frames) 3357 vs 2992
GFXBench 4.0 - T-Rex (Fps) 3357 vs 2992
GFXBench 4.0 - Car Chase Offscreen (Frames) 9603 vs 2792
GFXBench 4.0 - Car Chase Offscreen (Fps) 9603 vs 2792

Compare benchmarks

GPU 1: Intel Iris Plus Graphics 645
GPU 2: AMD Radeon R9 280X

PassMark - G2D Mark
GPU 1
GPU 2
389
688
PassMark - G3D Mark
GPU 1
GPU 2
1727
6216
GFXBench 4.0 - Manhattan (Frames)
GPU 1
GPU 2
1780
3700
GFXBench 4.0 - Manhattan (Fps)
GPU 1
GPU 2
1780
3700
GFXBench 4.0 - T-Rex (Frames)
GPU 1
GPU 2
2992
3357
GFXBench 4.0 - T-Rex (Fps)
GPU 1
GPU 2
2992
3357
GFXBench 4.0 - Car Chase Offscreen (Frames)
GPU 1
GPU 2
2792
9603
GFXBench 4.0 - Car Chase Offscreen (Fps)
GPU 1
GPU 2
2792
9603
Name Intel Iris Plus Graphics 645 AMD Radeon R9 280X
Geekbench - OpenCL 6406
PassMark - G2D Mark 389 688
PassMark - G3D Mark 1727 6216
GFXBench 4.0 - Manhattan (Frames) 1780 3700
GFXBench 4.0 - Manhattan (Fps) 1780 3700
GFXBench 4.0 - T-Rex (Frames) 2992 3357
GFXBench 4.0 - T-Rex (Fps) 2992 3357
GFXBench 4.0 - Car Chase Offscreen (Frames) 2792 9603
GFXBench 4.0 - Car Chase Offscreen (Fps) 2792 9603
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 89.187
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 1434.496
CompuBench 1.5 Desktop - T-Rex (Frames/s) 7.656
CompuBench 1.5 Desktop - Video Composition (Frames/s) 87.459
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 493.57
3DMark Fire Strike - Graphics Score 2339

Compare specifications (specs)

Intel Iris Plus Graphics 645 AMD Radeon R9 280X

Essentials

Architecture Intel Gen. 9.5 (Coffee Lake) GCN 1.0
Code name Kaby Lake GT3e Tahiti
Launch date 10 July 2019 8 October 2013
Place in performance rating 811 375
Type Laptop Desktop
Design AMD Radeon R9 200 Series
Launch price (MSRP) $299

Technical info

Boost clock speed 1150 MHz 1000 MHz
Core clock speed 300 MHz
Manufacturing process technology 14 nm 28 nm
Pipelines 48 2048
Thermal Design Power (TDP) 15 Watt 250 Watt
Floating-point performance 4,096 gflops
Stream Processors 2048
Texture fill rate 128.0 GTexel / s
Transistor count 4,313 million

Video outputs and ports

DisplayPort support
eDP 1.2 signal support Yes
HDMI
Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort
Dual-link DVI support
Eyefinity
VGA

API support

DirectX 12 12
OpenGL 4.5
Vulkan

Memory

Memory type DDR3/DDR4 GDDR5
Shared memory Yes 0
Maximum RAM amount 3 GB
Memory bandwidth 288 GB/s
Memory bus width 384 Bit

Technologies

H265/HEVC Decode
Quick Sync
AMD Eyefinity
AppAcceleration
CrossFire
DDMA audio
FreeSync
HD3D
LiquidVR
TressFX
TrueAudio
Unified Video Decoder (UVD)

Compatibility, dimensions and requirements

Bus support PCIe 3.0
Interface PCIe 3.0 x16
Length 275 mm
Supplementary power connectors 1 x 6-pin + 1 x 8-pin