NVIDIA GeForce GTX 950 vs NVIDIA GeForce GTX 980

VS

NVIDIA GeForce GTX 950

NVIDIA GeForce GTX 980

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 950 and 4GB VRAM GeForce GTX 980 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 950 's Advantages

Released 11 months late

Lower TDP (90W vs 165W)

NVIDIA GeForce GTX 980 's Advantages

Boost Clock has increased by 2% (1216MHz vs 1188MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (224.4GB/s vs 105.8GB/s)

1280 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 950

1.825 TFLOPS

GeForce GTX 980 +172%

4.981 TFLOPS

3DMark Time Spy

GeForce GTX 950

1862

GeForce GTX 980 +132%

4322

Shadow of the Tomb Raider 2160p

GeForce GTX 950

5

GeForce GTX 980 +260%

18

Shadow of the Tomb Raider 1440p

GeForce GTX 950

20

GeForce GTX 980 +75%

35

Shadow of the Tomb Raider 1080p

GeForce GTX 950

30

GeForce GTX 980 +106%

62

GeForce GTX 950

VS

GeForce GTX 980

Graphics Card

Aug 2015

Release Date

Sep 2014

GeForce 900

Generation

GeForce 900

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1024 MHz

Base Clock

1127 MHz

1188 MHz

Boost Clock

1216 MHz

1653 MHz

Memory Clock

1753 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

105.8GB/s

Bandwidth

224.4GB/s

Render Config

-

768

Shading Units

2048

48

TMUs

128

32

ROPs

64

-

48 KB (per SMM)

L1 Cache

48 KB (per SMM)

1024 KB

L2 Cache

2 MB

-

Theoretical Performance

38.02 GPixel/s

Pixel Rate

77.82 GPixel/s

57.02 GTexel/s

Texture Rate

155.6 GTexel/s

-

1.825 TFLOPS

FP32 (float)

4.981 TFLOPS

57.02 GFLOPS

FP64 (double)

155.6 GFLOPS

Board Design

90W

TDP

165W

250 W

Suggested PSU

450 W

1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

GM206

GPU Name

GM204

GM206-250-A1

GPU Variant

GM204-400-A1

Maxwell 2.0

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.94 billion

Transistors

5.2 billion

228 mm²

Die Size

398 mm²

Graphics Features

12 (12_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

5.2

CUDA

5.2

6.4

Shader Model

6.4

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