NVIDIA GeForce GTX 645 OEM vs NVIDIA GeForce RTX 5070 Ti

VS

NVIDIA GeForce GTX 645 OEM

NVIDIA GeForce RTX 5070 Ti

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 645 OEM and 16GB VRAM GeForce RTX 5070 Ti to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 645 OEM 's Advantages

Lower TDP (65W vs 300W)

NVIDIA GeForce RTX 5070 Ti 's Advantages

Released 11 years and 9 months late

Boost Clock2520MHz

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (894.7GB/s vs 64.00GB/s)

8384 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 645 OEM

0.949 TFLOPS

GeForce RTX 5070 Ti +4658%

45.16 TFLOPS

GeForce GTX 645 OEM

VS

GeForce RTX 5070 Ti

Graphics Card

Apr 2013

Release Date

Jan 2025

GeForce 600

Generation

GeForce 50

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 5.0 x16

Clock Speeds

-

Base Clock

2235 MHz

-

Boost Clock

2520 MHz

1000 MHz

Memory Clock

2205 MHz

Memory

1024MB

Memory Size

16GB

GDDR5

Memory Type

GDDR7

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

894.7GB/s

Render Config

-

SM Count

70

576

Shading Units

8960

48

TMUs

280

16

ROPs

128

-

Tensor Cores

280

-

RT Cores

70

16 KB (per SMX)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

64 MB

-

Theoretical Performance

9.888 GPixel/s

Pixel Rate

322.6 GPixel/s

39.55 GTexel/s

Texture Rate

705.6 GTexel/s

-

FP16 (half)

45.16 TFLOPS

949.2 GFLOPS

FP32 (float)

45.16 TFLOPS

39.55 GFLOPS

FP64 (double)

705.6 GFLOPS

Board Design

65W

TDP

300W

250 W

Suggested PSU

700 W

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

Outputs

1x HDMI 2.13x DisplayPort 1.4a

None

Power Connectors

1x 16-pin

Graphics Processor

GK106

GPU Name

GB203

GK106-200-A1

GPU Variant

GB203-200-A1

Kepler

Architecture

Blackwell 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

0

2.54 billion

Transistors

Unknown

221 mm²

Die Size

377 mm²

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.0

CUDA

10.1

5.1

Shader Model

6.8

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