AMD Radeon RX 6800 XT vs NVIDIA GeForce GTX 650

VS

AMD Radeon RX 6800 XT

NVIDIA GeForce GTX 650

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6800 XT and 1024MB VRAM GeForce GTX 650 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6800 XT 's Advantages

Released 8 years and 1 months late

Boost Clock2250MHz

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (512.0GB/s vs 80.00GB/s)

4224 additional rendering cores

NVIDIA GeForce GTX 650 's Advantages

Lower TDP (65W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 6800 XT +2454%

20.74 TFLOPS

GeForce GTX 650

0.812 TFLOPS

Blender

Radeon RX 6800 XT +5538%

2650

GeForce GTX 650

47

Radeon RX 6800 XT

VS

GeForce GTX 650

Graphics Card

Oct 2020

Release Date

Sep 2012

Navi II

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1825 MHz

Base Clock

-

2250 MHz

Boost Clock

-

2000 MHz

Memory Clock

1250 MHz

Memory

16GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

512.0GB/s

Bandwidth

80.00GB/s

Render Config

72

Compute Units

-

4608

Shading Units

384

288

TMUs

32

128

ROPs

16

-

72

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per SMX)

4 MB

L2 Cache

256 KB

128 MB

L3 Cache

-

Theoretical Performance

288.0 GPixel/s

Pixel Rate

8.464 GPixel/s

648.0 GTexel/s

Texture Rate

33.86 GTexel/s

41.47 TFLOPS

FP16 (half)

-

20.74 TFLOPS

FP32 (float)

812.5 GFLOPS

1296 GFLOPS

FP64 (double)

33.86 GFLOPS

Board Design

300W

TDP

65W

700 W

Suggested PSU

250 W

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

Outputs

2x DVI 1x mini-HDMI 1.4a

2x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Navi 21

GPU Name

GK107

Navi 21 XT (215-121000177)

GPU Variant

GK107-450-A2

RDNA 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

26.8 billion

Transistors

1.27 billion

520 mm²

Die Size

118 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.1

-

CUDA

3.0

6.5

Shader Model

5.1

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