NVIDIA GeForce GTX 950 vs NVIDIA GeForce GTX 680

VS

NVIDIA GeForce GTX 950

NVIDIA GeForce GTX 680

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 950 and 2GB VRAM GeForce GTX 680 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 950 's Advantages

Released 3 years and 5 months late

Boost Clock has increased by 12% (1188MHz vs 1058MHz)

Lower TDP (90W vs 195W)

NVIDIA GeForce GTX 680 's Advantages

Larger VRAM bandwidth (192.3GB/s vs 105.8GB/s)

768 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 950

1.825 TFLOPS

GeForce GTX 680 +78%

3.25 TFLOPS

3DMark Time Spy

GeForce GTX 950

1862

GeForce GTX 680 +7%

1999

GeForce GTX 950

VS

GeForce GTX 680

Graphics Card

Aug 2015

Release Date

Mar 2012

GeForce 900

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1024 MHz

Base Clock

1006 MHz

1188 MHz

Boost Clock

1058 MHz

1653 MHz

Memory Clock

1502 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

105.8GB/s

Bandwidth

192.3GB/s

Render Config

-

768

Shading Units

1536

48

TMUs

128

32

ROPs

32

-

48 KB (per SMM)

L1 Cache

16 KB (per SMX)

1024 KB

L2 Cache

512 KB

-

Theoretical Performance

38.02 GPixel/s

Pixel Rate

33.86 GPixel/s

57.02 GTexel/s

Texture Rate

135.4 GTexel/s

-

1.825 TFLOPS

FP32 (float)

3.250 TFLOPS

57.02 GFLOPS

FP64 (double)

135.4 GFLOPS

Board Design

90W

TDP

195W

250 W

Suggested PSU

450 W

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

Outputs

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

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

GM206

GPU Name

GK104

GM206-250-A1

GPU Variant

GK104-400-A2

Maxwell 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.94 billion

Transistors

3.54 billion

228 mm²

Die Size

294 mm²

Graphics Features

12 (12_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

5.2

CUDA

3.0

6.4

Shader Model

5.1

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