AMD Radeon R9 390X vs AMD Radeon HD 7750M

Comparative analysis of AMD Radeon R9 390X and AMD Radeon HD 7750M 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, 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 R9 390X

  • Videocard is newer: launch date 3 year(s) 1 month(s) later
  • 10x more texture fill rate: 184.8 GTexel / s vs 18.4 GTexel / s
  • 5.5x more pipelines: 2816 vs 512
  • 10x better floating-point performance: 5,914 gflops vs 588.8 gflops
  • 4x more maximum memory size: 8 GB vs 2 GB
  • 7.9x better performance in PassMark - G3D Mark: 9416 vs 1191
  • Around 19% better performance in PassMark - G2D Mark: 825 vs 693
  • Around 4% better performance in GFXBench 4.0 - Manhattan (Frames): 3706 vs 3551
  • Around 4% better performance in GFXBench 4.0 - Manhattan (Fps): 3706 vs 3551
Specifications (specs)
Launch date 18 June 2015 vs 24 April 2012
Texture fill rate 184.8 GTexel / s vs 18.4 GTexel / s
Pipelines 2816 vs 512
Floating-point performance 5,914 gflops vs 588.8 gflops
Maximum memory size 8 GB vs 2 GB
Benchmarks
PassMark - G3D Mark 9416 vs 1191
PassMark - G2D Mark 825 vs 693
GFXBench 4.0 - Manhattan (Frames) 3706 vs 3551
GFXBench 4.0 - Manhattan (Fps) 3706 vs 3551

Reasons to consider the AMD Radeon HD 7750M

  • 9.8x lower typical power consumption: 28 Watt vs 275 Watt
  • 3.8x more memory clock speed: 4000 MHz vs 1050 MHz
Thermal Design Power (TDP) 28 Watt vs 275 Watt
Memory clock speed 4000 MHz vs 1050 MHz

Compare benchmarks

GPU 1: AMD Radeon R9 390X
GPU 2: AMD Radeon HD 7750M

PassMark - G3D Mark
GPU 1
GPU 2
9416
1191
PassMark - G2D Mark
GPU 1
GPU 2
825
693
GFXBench 4.0 - Manhattan (Frames)
GPU 1
GPU 2
3706
3551
GFXBench 4.0 - Manhattan (Fps)
GPU 1
GPU 2
3706
3551
Name AMD Radeon R9 390X AMD Radeon HD 7750M
PassMark - G3D Mark 9416 1191
PassMark - G2D Mark 825 693
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 114.288
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 2911.861
CompuBench 1.5 Desktop - T-Rex (Frames/s) 10.947
CompuBench 1.5 Desktop - Video Composition (Frames/s) 118.411
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 683.568
GFXBench 4.0 - Car Chase Offscreen (Frames) 11675
GFXBench 4.0 - Manhattan (Frames) 3706 3551
GFXBench 4.0 - T-Rex (Frames) 3350
GFXBench 4.0 - Car Chase Offscreen (Fps) 11675
GFXBench 4.0 - Manhattan (Fps) 3706 3551
GFXBench 4.0 - T-Rex (Fps) 3350
3DMark Fire Strike - Graphics Score 4242

Compare specifications (specs)

AMD Radeon R9 390X AMD Radeon HD 7750M

Essentials

Architecture GCN 2.0 GCN 1.0
Code name Grenada Chelsea
Design AMD Radeon R9 300 Series
Launch date 18 June 2015 24 April 2012
Launch price (MSRP) $429
Place in performance rating 291 288
Type Desktop Laptop

Technical info

Boost clock speed 1050 MHz
Compute units 44
Floating-point performance 5,914 gflops 588.8 gflops
Manufacturing process technology 28 nm 28 nm
Pipelines 2816 512
Stream Processors 2816
Texture fill rate 184.8 GTexel / s 18.4 GTexel / s
Thermal Design Power (TDP) 275 Watt 28 Watt
Transistor count 6,200 million 1,500 million
Core clock speed 575 MHz

Video outputs and ports

Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort No outputs
DisplayPort support
Dual-link DVI support
Eyefinity
HDMI
Number of Eyefinity displays 6
VGA

Compatibility, dimensions and requirements

Bridgeless CrossFire
Bus support PCIe 3.0
Interface PCIe 3.0 x16 PCIe 2.0 x16
Length 275 mm
Supplementary power connectors 1 x 6-pin, 1 x 8-pin
Laptop size medium sized

API support

DirectX 12 12.0 (11_1)
Mantle
OpenCL 2.0
OpenGL 4.5 4.5
Vulkan

Memory

High bandwidth memory (HBM)
Maximum RAM amount 8 GB 2 GB
Memory bandwidth 384 GB/s 64 GB / s
Memory bus width 512 bit 128 Bit
Memory clock speed 1050 MHz 4000 MHz
Memory type GDDR5 GDDR5
Shared memory 0 0

Technologies

AMD Eyefinity
CrossFire
DDMA audio
FreeSync
HD3D
HDMI 4K Support
LiquidVR
PowerTune
TrueAudio
Video Code Engine (VCE)
Virtual Super Resolution (VSR)
ZeroCore