AMD Radeon RX 5700 XT vs NVIDIA GeForce GT 645 OEM

VS

AMD Radeon RX 5700 XT

NVIDIA GeForce GT 645 OEM

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 5700 XT 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 5700 XT 's Advantages

Released 7 years and 3 months late

Boost Clock1905MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (448.0GB/s vs 91.87GB/s)

2272 additional rendering cores

NVIDIA GeForce GT 645 OEM 's Advantages

Lower TDP (102W vs 225W)

Score

Benchmark

FP32 (float)

Radeon RX 5700 XT +991%

9.754 TFLOPS

GeForce GT 645 OEM

0.894 TFLOPS

Radeon RX 5700 XT

VS

GeForce GT 645 OEM

Graphics Card

Jul 2019

Release Date

Apr 2012

Navi

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1605 MHz

Base Clock

-

1905 MHz

Boost Clock

-

1750 MHz

Memory Clock

957 MHz

Memory

8GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

192bit

448.0GB/s

Bandwidth

91.87GB/s

Render Config

40

Compute Units

-

SM Count

6

2560

Shading Units

288

160

TMUs

48

64

ROPs

24

-

L1 Cache

64 KB (per SM)

4 MB

L2 Cache

384 KB

-

Theoretical Performance

121.9 GPixel/s

Pixel Rate

9.312 GPixel/s

304.8 GTexel/s

Texture Rate

37.25 GTexel/s

19.51 TFLOPS

FP16 (half)

-

9.754 TFLOPS

FP32 (float)

894.0 GFLOPS

609.6 GFLOPS

FP64 (double)

74.50 GFLOPS

Board Design

225W

TDP

102W

550 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 10

GPU Name

GF114

Navi 10 XT (215-0917210)

GPU Variant

-

RDNA 1.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

10.3 billion

Transistors

1.95 billion

251 mm²

Die Size

332 mm²

Graphics Features

12 (12_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

1.1

1.3

Vulkan

N/A

-

CUDA

2.1

6.5

Shader Model

5.1

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