NVIDIA GeForce GT 645 OEM vs AMD Radeon RX 6750 GRE 12 GB

VS

NVIDIA GeForce GT 645 OEM

AMD Radeon RX 6750 GRE 12 GB

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 645 OEM and 12GB VRAM Radeon RX 6750 GRE 12 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)

AMD Radeon RX 6750 GRE 12 GB 's Advantages

Released 11 years and 6 months late

Boost Clock2581MHz

More VRAM (12GB vs 1024GB)

Larger VRAM bandwidth (432.0GB/s vs 91.87GB/s)

2272 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 645 OEM

0.894 TFLOPS

Radeon RX 6750 GRE 12 GB +1377%

13.21 TFLOPS

GeForce GT 645 OEM

VS

Radeon RX 6750 GRE 12 GB

Graphics Card

Apr 2012

Release Date

Oct 2023

GeForce 600

Generation

Navi II

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2321 MHz

-

Boost Clock

2581 MHz

957 MHz

Memory Clock

2250 MHz

Memory

1024MB

Memory Size

12GB

GDDR5

Memory Type

GDDR6

192bit

Memory Bus

192bit

91.87GB/s

Bandwidth

432.0GB/s

Render Config

-

Compute Units

40

6

SM Count

-

288

Shading Units

2560

48

TMUs

160

24

ROPs

64

-

RT Cores

40

64 KB (per SM)

L1 Cache

128 KB per Array

384 KB

L2 Cache

3 MB

-

L3 Cache

96 MB

Theoretical Performance

9.312 GPixel/s

Pixel Rate

165.2 GPixel/s

37.25 GTexel/s

Texture Rate

413.0 GTexel/s

-

FP16 (half)

26.43 TFLOPS

894.0 GFLOPS

FP32 (float)

13.21 TFLOPS

74.50 GFLOPS

FP64 (double)

825.9 GFLOPS

Board Design

102W

TDP

250W

300 W

Suggested PSU

600 W

2x DVI 1x mini-HDMI 1.3a

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

-

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GF114

GPU Name

Navi 22

-

GPU Variant

Navi 22 KXT (215-127000144)

Fermi 2.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

1.95 billion

Transistors

17.2 billion

332 mm²

Die Size

335 mm²

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.3

2.1

CUDA

-

5.1

Shader Model

6.7

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