NVIDIA GeForce GT 645 OEM vs NVIDIA GeForce GTX 780 6 GB

VS

NVIDIA GeForce GT 645 OEM

NVIDIA GeForce GTX 780 6 GB

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 645 OEM and 6GB VRAM GeForce GTX 780 6 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 645 OEM 's Advantages

Lower TDP (102W vs 250W)

NVIDIA GeForce GTX 780 6 GB 's Advantages

Released 1 years and 5 months late

Boost Clock902MHz

More VRAM (6GB vs 1024GB)

Larger VRAM bandwidth (288.4GB/s vs 91.87GB/s)

2016 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 645 OEM

0.894 TFLOPS

GeForce GTX 780 6 GB +364%

4.156 TFLOPS

GeForce GT 645 OEM

VS

GeForce GTX 780 6 GB

Graphics Card

Apr 2012

Release Date

Sep 2013

GeForce 600

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

863 MHz

-

Boost Clock

902 MHz

957 MHz

Memory Clock

1502 MHz

Memory

1024MB

Memory Size

6GB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

384bit

91.87GB/s

Bandwidth

288.4GB/s

Render Config

-

6

SM Count

-

288

Shading Units

2304

48

TMUs

192

24

ROPs

48

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

384 KB

L2 Cache

1536 KB

-

Theoretical Performance

9.312 GPixel/s

Pixel Rate

43.30 GPixel/s

37.25 GTexel/s

Texture Rate

173.2 GTexel/s

-

894.0 GFLOPS

FP32 (float)

4.156 TFLOPS

74.50 GFLOPS

FP64 (double)

173.2 GFLOPS

Board Design

102W

TDP

250W

300 W

Suggested PSU

600 W

2x DVI 1x mini-HDMI 1.3a

Outputs

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

-

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GF114

GPU Name

GK110B

-

GPU Variant

GK110-301-B1

Fermi 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.95 billion

Transistors

7.08 billion

332 mm²

Die Size

561 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

2.1

CUDA

3.5

5.1

Shader Model

5.1

Related GPU Comparisons

1

NVIDIA GeForce GT 645 OEM vs ATI FirePro V7900 SDI

2

NVIDIA GeForce GT 645 OEM vs AMD Radeon RX 455 OEM

3

NVIDIA GeForce GT 645 OEM vs AMD Radeon HD 7950 Boost

4

NVIDIA GeForce GT 645 OEM vs NVIDIA GeForce 9800 GX2

5

NVIDIA GeForce GT 645 OEM vs AMD Radeon R7 350 OEM

6

NVIDIA GeForce GT 645 OEM vs ATI Radeon HD 5850

7

NVIDIA GeForce GT 645 OEM vs NVIDIA RTX 2000 Ada Generation

8

NVIDIA GeForce GT 645 OEM vs AMD Radeon RX Vega 64

9

NVIDIA GeForce GT 645 OEM vs NVIDIA GeForce GT 710

10

NVIDIA GeForce GT 645 OEM vs Intel Arc A780

Related News

1

Continuous Decline in DRAM Memory Prices: Downward Trend Intensifies

2

NVIDIA GB202 Chip Unveiled for the First Time, to be Used in RTX 5090 with 512-bit GDDR7 Memory

3

Strix Halo Integrated Graphics Score Appears on Passmark, Currently Slightly Below RTX 3060 12GB

4

AMD Unveils New RX 9070 XT Graphics Card Performance: Positioned Between RX 7900 GRE and RX 7900 XT

5

Double the Excitement! AMD FSR 4.0 to Launch Alongside RX 9070 XT Graphics Card

6

CPU-Z Minor Update: Support for Intel's Four New Products and New Memory

7

CXMT Reportedly Achieves 80% Yield in DDR5 Production

8

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

9

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

10

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps