NVIDIA GeForce GTX 745 OEM vs AMD Radeon RX 6800 XT

VS

NVIDIA GeForce GTX 745 OEM

AMD Radeon RX 6800 XT

We compared two Desktop platform GPUs: 4GB VRAM GeForce GTX 745 OEM and 16GB VRAM Radeon RX 6800 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 745 OEM 's Advantages

Lower TDP (55W vs 300W)

AMD Radeon RX 6800 XT 's Advantages

Released 6 years and 8 months late

Boost Clock2250MHz

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (512.0GB/s vs 28.80GB/s)

4224 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 745 OEM

0.793 TFLOPS

Radeon RX 6800 XT +2515%

20.74 TFLOPS

Blender

GeForce GTX 745 OEM

54

Radeon RX 6800 XT +4807%

2650

GeForce GTX 745 OEM

VS

Radeon RX 6800 XT

Graphics Card

Feb 2014

Release Date

Oct 2020

GeForce 700

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1825 MHz

-

Boost Clock

2250 MHz

900 MHz

Memory Clock

2000 MHz

Memory

4GB

Memory Size

16GB

DDR3

Memory Type

GDDR6

128bit

Memory Bus

256bit

28.80GB/s

Bandwidth

512.0GB/s

Render Config

-

Compute Units

72

-

384

Shading Units

4608

24

TMUs

288

16

ROPs

128

-

RT Cores

72

64 KB (per SMM)

L1 Cache

128 KB per Array

2 MB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

16.53 GPixel/s

Pixel Rate

288.0 GPixel/s

24.79 GTexel/s

Texture Rate

648.0 GTexel/s

-

FP16 (half)

41.47 TFLOPS

793.3 GFLOPS

FP32 (float)

20.74 TFLOPS

24.79 GFLOPS

FP64 (double)

1296 GFLOPS

Board Design

55W

TDP

300W

250 W

Suggested PSU

700 W

1x DVI 1x HDMI 2.0 1x VGA

Outputs

1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C

None

Power Connectors

2x 8-pin

Graphics Processor

GM107

GPU Name

Navi 21

GM107-220-A2

GPU Variant

Navi 21 XT (215-121000177)

Maxwell

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

1.87 billion

Transistors

26.8 billion

148 mm²

Die Size

520 mm²

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.3

5.0

CUDA

-

5.1

Shader Model

6.5

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