AMD Radeon RX 6750 GRE vs NVIDIA GeForce GT 645 OEM

VS

AMD Radeon RX 6750 GRE

NVIDIA GeForce GT 645 OEM

We compared two Desktop platform GPUs: 12GB VRAM Radeon RX 6750 GRE and 1024MB VRAM GeForce GT 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6750 GRE '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

NVIDIA GeForce GT 645 OEM 's Advantages

Lower TDP (102W vs 250W)

Score

Benchmark

FP32 (float)

Radeon RX 6750 GRE +1377%

13.21 TFLOPS

GeForce GT 645 OEM

0.894 TFLOPS

Radeon RX 6750 GRE

VS

GeForce GT 645 OEM

Graphics Card

Oct 2023

Release Date

Apr 2012

Navi II

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2321 MHz

Base Clock

-

2581 MHz

Boost Clock

-

2250 MHz

Memory Clock

957 MHz

Memory

12GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

192bit

432.0GB/s

Bandwidth

91.87GB/s

Render Config

40

Compute Units

-

SM Count

6

2560

Shading Units

288

160

TMUs

48

64

ROPs

24

-

40

RT Cores

-

128 KB per Array

L1 Cache

64 KB (per SM)

3 MB

L2 Cache

384 KB

96 MB

L3 Cache

-

Theoretical Performance

165.2 GPixel/s

Pixel Rate

9.312 GPixel/s

413.0 GTexel/s

Texture Rate

37.25 GTexel/s

26.43 TFLOPS

FP16 (half)

-

13.21 TFLOPS

FP32 (float)

894.0 GFLOPS

825.9 GFLOPS

FP64 (double)

74.50 GFLOPS

Board Design

250W

TDP

102W

600 W

Suggested PSU

300 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

2x DVI 1x mini-HDMI 1.3a

1x 6-pin + 1x 8-pin

Power Connectors

-

Graphics Processor

Navi 22

GPU Name

GF114

Navi 22 KXT

GPU Variant

-

RDNA 2.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

17.2 billion

Transistors

1.95 billion

335 mm²

Die Size

332 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

1.1

1.3

Vulkan

N/A

-

CUDA

2.1

6.7

Shader Model

5.1

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