AMD Radeon R9 Nano vs AMD Radeon HD 7970

Comparative analysis of AMD Radeon R9 Nano and AMD Radeon HD 7970 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: 3DMark Fire Strike - Graphics Score, 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).

 

Differences

Reasons to consider the AMD Radeon R9 Nano

  • Videocard is newer: launch date 3 year(s) 8 month(s) later
  • Around 8% higher boost clock speed: 1000 MHz vs 925 MHz
  • 2.2x more texture fill rate: 256.0 GTexel / s vs 118.4 GTexel / s
  • 2x more pipelines: 4096 vs 2048
  • 2.2x better floating-point performance: 8,192 gflops vs 3,789 gflops
  • Around 71% lower typical power consumption: 175 Watt vs 300 Watt
  • Around 33% higher maximum memory size: 4 GB vs 3 GB
  • 2x better performance in 3DMark Fire Strike - Graphics Score: 4579 vs 2276
Specifications (specs)
Launch date 27 August 2015 vs 22 December 2011
Boost clock speed 1000 MHz vs 925 MHz
Texture fill rate 256.0 GTexel / s vs 118.4 GTexel / s
Pipelines 4096 vs 2048
Floating-point performance 8,192 gflops vs 3,789 gflops
Thermal Design Power (TDP) 175 Watt vs 300 Watt
Maximum memory size 4 GB vs 3 GB
Benchmarks
3DMark Fire Strike - Graphics Score 4579 vs 2276

Reasons to consider the AMD Radeon HD 7970

  • 2.8x more memory clock speed: 1375 MHz vs 500 MHz
Memory clock speed 1375 MHz vs 500 MHz

Compare benchmarks

GPU 1: AMD Radeon R9 Nano
GPU 2: AMD Radeon HD 7970

3DMark Fire Strike - Graphics Score
GPU 1
GPU 2
4579
2276
Name AMD Radeon R9 Nano AMD Radeon HD 7970
3DMark Fire Strike - Graphics Score 4579 2276
Geekbench - OpenCL 34541
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 84.413
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 1390.592
CompuBench 1.5 Desktop - T-Rex (Frames/s) 7.336
CompuBench 1.5 Desktop - Video Composition (Frames/s) 101.929
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 481.76
GFXBench 4.0 - Car Chase Offscreen (Frames) 9448
GFXBench 4.0 - Manhattan (Frames) 3704
GFXBench 4.0 - T-Rex (Frames) 3350
GFXBench 4.0 - Car Chase Offscreen (Fps) 9448
GFXBench 4.0 - Manhattan (Fps) 3704
GFXBench 4.0 - T-Rex (Fps) 3350

Compare specifications (specs)

AMD Radeon R9 Nano AMD Radeon HD 7970

Essentials

Architecture GCN 3.0 GCN 1.0
Code name Fiji Tahiti
Design AMD Radeon R9 Fury Series AMD Radeon HD 7000 Series
Launch date 27 August 2015 22 December 2011
Launch price (MSRP) $649 $549
Place in performance rating 498 501
Type Desktop Desktop

Technical info

Boost clock speed 1000 MHz 925 MHz
Compute units 64
Floating-point performance 8,192 gflops 3,789 gflops
Manufacturing process technology 28 nm 28 nm
Pipelines 4096 2048
Stream Processors 4096 2048
Texture fill rate 256.0 GTexel / s 118.4 GTexel / s
Thermal Design Power (TDP) 175 Watt 300 Watt
Transistor count 8,900 million 4,313 million

Video outputs and ports

Display Connectors 1x HDMI, 3x DisplayPort 1x DVI, 1x HDMI, 2x mini-DisplayPort
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 PCIe 2.1 x16
Interface PCIe 3.0 x16 PCIe 3.0 x16
Length 152 mm 274 mm
Supplementary power connectors 1x 8-pin 1x 6-pin + 1x 8-pin

API support

DirectX 12 11
Mantle
OpenCL 2.0
OpenGL 4.5 4.5
Vulkan

Memory

High bandwidth memory (HBM)
Maximum RAM amount 4 GB 3 GB
Memory bandwidth 512 GB/s 264 GB/s
Memory bus width 4096 bit 384 Bit
Memory clock speed 500 MHz 1375 MHz
Memory type High Bandwidth Memory (HBM) GDDR5
Shared memory 0 0

Technologies

AMD Eyefinity
AppAcceleration
CrossFire
DDMA audio
FreeSync
FRTC
HD3D
LiquidVR
PowerTune
TressFX
TrueAudio
Video Code Engine (VCE)
Virtual Super Resolution (VSR)
ZeroCore