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).

AMD Radeon R9 Nano

AMD Radeon HD 7970

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	502	499
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