NVIDIA GeForce RTX 4070 AD103 vs NVIDIA GeForce GTX 645 OEM

VS

NVIDIA GeForce RTX 4070 AD103

NVIDIA GeForce GTX 645 OEM

We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 4070 AD103 and 1024MB VRAM GeForce GTX 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4070 AD103 's Advantages

Released 10 years and 11 months late

Boost Clock2475MHz

More VRAM (12GB vs 1024GB)

Larger VRAM bandwidth (504.2GB/s vs 64.00GB/s)

5312 additional rendering cores

NVIDIA GeForce GTX 645 OEM 's Advantages

Lower TDP (65W vs 200W)

Score

Benchmark

FP32 (float)

GeForce RTX 4070 AD103 +2971%

29.15 TFLOPS

GeForce GTX 645 OEM

0.949 TFLOPS

GeForce RTX 4070 AD103

VS

GeForce GTX 645 OEM

Graphics Card

Mar 2024

Release Date

Apr 2013

GeForce 40

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1920 MHz

Base Clock

-

2475 MHz

Boost Clock

-

1313 MHz

Memory Clock

1000 MHz

Memory

12GB

Memory Size

1024MB

GDDR6X

Memory Type

GDDR5

192bit

Memory Bus

128bit

504.2GB/s

Bandwidth

64.00GB/s

Render Config

-

46

SM Count

-

5888

Shading Units

576

184

TMUs

48

64

ROPs

16

184

Tensor Cores

-

46

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per SMX)

36 MB

L2 Cache

256 KB

-

Theoretical Performance

158.4 GPixel/s

Pixel Rate

9.888 GPixel/s

455.4 GTexel/s

Texture Rate

39.55 GTexel/s

29.15 TFLOPS

FP16 (half)

-

29.15 TFLOPS

FP32 (float)

949.2 GFLOPS

455.4 GFLOPS

FP64 (double)

39.55 GFLOPS

Board Design

200W

TDP

65W

550 W

Suggested PSU

250 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

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

1x 16-pin

Power Connectors

None

Graphics Processor

AD103

GPU Name

GK106

AD103-175-K1-A1

GPU Variant

GK106-200-A1

Ada Lovelace

Architecture

Kepler

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

45.9 billion

Transistors

2.54 billion

379 mm²

Die Size

221 mm²

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

8.9

CUDA

3.0

6.7

Shader Model

5.1

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