NVIDIA GeForce GTX 780 vs NVIDIA GeForce GTX 950

VS

NVIDIA GeForce GTX 780

NVIDIA GeForce GTX 950

We compared two Desktop platform GPUs: 3GB VRAM GeForce GTX 780 and 2GB VRAM GeForce GTX 950 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 780 's Advantages

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (288.4GB/s vs 105.8GB/s)

1536 additional rendering cores

NVIDIA GeForce GTX 950 's Advantages

Released 2 years and 3 months late

Boost Clock has increased by 32% (1188MHz vs 902MHz)

Lower TDP (90W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 780 +127%

4.156 TFLOPS

GeForce GTX 950

1.825 TFLOPS

3DMark Time Spy

GeForce GTX 780 +50%

2795

GeForce GTX 950

1862

GeForce GTX 780

VS

GeForce GTX 950

Graphics Card

May 2013

Release Date

Aug 2015

GeForce 700

Generation

GeForce 900

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

863 MHz

Base Clock

1024 MHz

902 MHz

Boost Clock

1188 MHz

1502 MHz

Memory Clock

1653 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

128bit

288.4GB/s

Bandwidth

105.8GB/s

Render Config

-

2304

Shading Units

768

192

TMUs

48

ROPs

32

-

16 KB (per SMX)

L1 Cache

48 KB (per SMM)

1536 KB

L2 Cache

1024 KB

-

Theoretical Performance

43.30 GPixel/s

Pixel Rate

38.02 GPixel/s

173.2 GTexel/s

Texture Rate

57.02 GTexel/s

-

4.156 TFLOPS

FP32 (float)

1.825 TFLOPS

173.2 GFLOPS

FP64 (double)

57.02 GFLOPS

Board Design

250W

TDP

90W

600 W

Suggested PSU

250 W

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

GK110

GPU Name

GM206

GK110-300-A1

GPU Variant

GM206-250-A1

Kepler

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

7.08 billion

Transistors

2.94 billion

561 mm²

Die Size

228 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.5

CUDA

5.2

5.1

Shader Model

6.4

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