NVIDIA GeForce RTX 2080 vs NVIDIA GeForce GTX 650 Ti Boost

VS

NVIDIA GeForce RTX 2080 NVIDIA GeForce GTX 650 Ti Boost

We compared two Desktop platform GPUs: 8GB VRAM GeForce RTX 2080 and 2GB VRAM GeForce GTX 650 Ti Boost to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 2080 's Advantages

Released 5 years and 6 months late

Boost Clock has increased by 66% (1710MHz vs 1032MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (448.0GB/s vs 144.2GB/s)

2176 additional rendering cores

NVIDIA GeForce GTX 650 Ti Boost 's Advantages

Lower TDP (134W vs 215W)

Score

Benchmark

FP32 (float)

GeForce RTX 2080 +535%

10.07 TFLOPS

GeForce GTX 650 Ti Boost

1.585 TFLOPS

GeForce RTX 2080

VS

GeForce GTX 650 Ti Boost

Graphics Card

Sep 2018

Release Date

Mar 2013

GeForce 20

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1515 MHz

Base Clock

980 MHz

1710 MHz

Boost Clock

1032 MHz

1750 MHz

Memory Clock

1502 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

192bit

448.0GB/s

Bandwidth

144.2GB/s

Render Config

46

SM Count

-

Compute Units

-

2944

Shading Units

768

184

TMUs

64

ROPs

24

368

Tensor Cores

-

46

RT Cores

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

4 MB

L2 Cache

384 KB

Theoretical Performance

109.4 GPixel/s

Pixel Rate

16.51 GPixel/s

314.6 GTexel/s

Texture Rate

66.05 GTexel/s

20.14 TFLOPS

FP16 (half)

-

10.07 TFLOPS

FP32 (float)

1.585 TFLOPS

314.6 GFLOPS

FP64 (double)

66.05 GFLOPS

Graphics Processor

TU104

GPU Name

GK106

TU104-400A-A1

GPU Variant

GK106-240-A1

Turing

Architecture

Kepler

TSMC

Foundry

TSMC

12 nm

Process Size

28 nm

13.6 billion

Transistors

2.54 billion

545 mm²

Die Size

221 mm²

Board Design

215W

TDP

134W

550 W

Suggested PSU

300 W

1x HDMI 2.0 3x DisplayPort 1.4a 1x USB Type-C

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

7.5

CUDA

3.0

6.6

Shader Model

5.1

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