NVIDIA GeForce GTX 950 vs AMD Radeon HD 7970

NVIDIA GeForce GTX 950
AMD Radeon HD 7970

General info

Comparison of GeForce GTX 950 and Radeon HD 7970 architecture, market type and release date.
Place in performance rating
 
Value for money (0-100)
5.81
 
5.56
Architecture
Maxwell
 
GCN
Code name
GM206
 
Tahiti XT
Type
Desktop
 
Desktop
Design
n/d
 
reference
Release date
20 August 2015
 
22 December 2011
Launch price (MSRP)
$159
 
$549
Price now
$170
 
$410

Technical specs

GeForce GTX 950 and Radeon HD 7970's general performance parameters such as number of shaders, GPU core clock, manufacturing process, texturing and calculation speed. These parameters indirectly speak of GeForce GTX 950 and Radeon HD 7970's performance, but for precise assessment you have to consider its benchmark and gaming test results.
Pipelines
768
 
2048
CUDA cores
768
 
n/d
Core clock speed
1024 MHz
 
n/d
Boost Clock
1188 MHz
 
925 MHz
Transistor count
2,940 million
 
4,313 million
Manufacturing process technology
28 nm
 
28 nm
Power consumption (TDP)
90 Watt
 
300 Watt
Texture fill rate
49.2 billion / sec
 
118.4 GTexel / s
Floating-point performance
1,825 gflops
 
3,789 gflops

Compatibility, dimensions and requirements

Information on GeForce GTX 950 and Radeon HD 7970 compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop video cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).
Bus support
PCI Express 3.0
 
PCIe 2.1 x16
Interface
PCIe 3.0 x16
 
PCIe 3.0 x16
Length
7.938" (20.2 cm)
 
274 mm
Height
4.376" (11.1 cm)
 
n/d
Recommended system power (PSU)
350 Watt
 
n/d
Supplementary power connectors
1x 6-pins
 
1x 6-pin + 1x 8-pin
SLI options
2x
 
-

Memory

Parameters of memory installed on GeForce GTX 950 and Radeon HD 7970: its type, size, bus, clock and resulting bandwidth. Note that GPUs integrated into processors don't have dedicated memory and use a shared part of system RAM.
Memory type
GDDR5
 
GDDR5
Maximum RAM amount
2 GB
 
3 GB
Memory bus width
128 Bit
 
384 Bit
Memory clock speed
6.6 GB/s
 
1375 MHz
Memory bandwidth
105.6 GB / s
 
264 GB / s
Shared memory
-
 
-

Video outputs and ports

Types and number of video connectors present on GeForce GTX 950 and Radeon HD 7970.
Display Connectors
1x DVI, 1x HDMI, 3x DisplayPort
 
1x DVI, 1x HDMI, 2x mini-DisplayPort
Display Connectors
Dual Link DVI-I, HDMI 2.0, 3x DisplayPort 1.2
 
n/d
Multi monitor support
4 displays
 
n/d
Eyefinity
-
 
+
HDMI
-
 
+
HDCP
+
 
-
Maximum VGA resolution
2048x1536
 
n/d
G-SYNC support
+
 
-
Audio input for HDMI
Internal
 
n/d

Technologies

Technological solutions and APIs supported by GeForce GTX 950 and Radeon HD 7970. You'll probably need this information if you need some particular technology for your purposes.
CrossFire
-
 
+
FreeSync
-
 
+
3D Vision
+
 
-
GameStream
+
 
-
GeForce ShadowPlay
+
 
-
GPU Boost
+
 
n/d
GameWorks
+
 
-
CUDA
+
 
-
SLI
+
 
n/d
GeForce Experience
+
 
n/d
Eyefinity
n/d
 
+
Surround
+
 
n/d
Adaptive Vertical Sync
+
 
n/d

API support

APIs supported by GeForce GTX 950 and Radeon HD 7970, sometimes including their particular versions.
DirectX
DirectX 12.1
 
DirectX® 11
OpenGL
4.5
 
4.6

Benchmark performance

Non-gaming benchmarks performance of GeForce GTX 950 and Radeon HD 7970. Note that overall benchmark performance is measured in points in 0-100 range.

Overall benchmark performance

GTX 950 18.64
HD 7970 18.64

3DMark Cloud Gate GPU

GTX 950 37454
HD 7970 43795 +16.9%

3DMark Fire Strike Score

GTX 950 5605
HD 7970 5880 +4.9%

3DMark Fire Strike Graphics

GTX 950 6208
HD 7970 6862 +10.5%

3DMark 11 Performance GPU

GTX 950 8351 +7.5%
HD 7970 7770

Passmark

GTX 950 5247
HD 7970 5248 +0%

Rendering quality tests

GFXBench render quality
4541 −0.2%
 
4549 +0.2%
GFXBench high precision render quality
4541 −0.2%
 
4549 +0.2%

Mining hashrates

Cryptocurrency mining performance of GeForce GTX 950 and Radeon HD 7970. Usually measured in megahashes per second.
Bitcoin / BTC (SHA256)
233 Mh/s −108.2%
 
485 Mh/s +108.2%
Ethereum / ETH (DaggerHashimoto)
9.97 Mh/s −107.7%
 
20.71 Mh/s +107.7%

Gaming performance

Let's see how good GeForce GTX 950 and Radeon HD 7970 are for gaming. Particular gaming benchmark results are measured in FPS.

Advantages of NVIDIA GeForce GTX 950

Much newer (20 August 2015 vs 22 December 2011)
Cheaper ($159 vs $549)
Less power hungry (90 vs 300 watts)
CUDA (Compute Unified Device Architecture - an API for video card computing power usage in tasks different from 3D graphics processing. Can be used for physics simulation for instance)
3D Vision
PhysX (hardware acceleration of physical simulation engine named PhysX)
GeForce Experience (software suite built to manage NVIDIA GPU parameters, and to record and stream game video)
Surround
NVIDIA GameStream
GPU Boost 2.0 (increases NVIDIA GPU voltage and frequency when there's a temperature headroom. Similar to AMD PowerTune)
Adaptive Vertical Sync
G-SYNC (removes screen tearing by telling the display when to renew the image. Only works with G-SYNC compatible displays)
SLI (Scalable Link Interface - a technology for uniting several NVIDIA GPUs processing power in one PC)
HDCP
3D Vision Surround
NVIDIAGameStreamReady
ShadowPlay (allows recording and streaming video during gaming on NVIDIA GPUs)
GameWorks

Advantages of AMD Radeon HD 7970

Wider memory bus (384 vs 128 bit)
More pipelines (2048 vs 768)
Higher memory bandwidth (264 vs 105.6 GB/s)
Eyefinity (allows using several displays with an AMD GPU)
HD3D
CrossFire
EyefinitySupport
HDMI
CrossfireX
FreeSync

So, GTX 950 or HD 7970?

Technical City couldn't decide between NVIDIA GeForce GTX 950 and AMD Radeon HD 7970. The differences in performance seem too small.
Should you still have questions on choice between GeForce GTX 950 and Radeon HD 7970, ask them in Comments section, and we shall answer.

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NVIDIA GeForce GTX 950
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Advices and comments

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