AMD Radeon RX 6700 XT vs NVIDIA GeForce GT 420 OEM

VS

AMD Radeon RX 6700 XT

NVIDIA GeForce GT 420 OEM

We compared two Desktop platform GPUs: 12GB VRAM Radeon RX 6700 XT and 1024MB VRAM GeForce GT 420 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6700 XT 's Advantages

Released 10 years and 6 months late

Boost Clock2581MHz

More VRAM (12GB vs 1024GB)

Larger VRAM bandwidth (384.0GB/s vs 28.80GB/s)

2512 additional rendering cores

NVIDIA GeForce GT 420 OEM 's Advantages

Lower TDP (50W vs 230W)

Score

Benchmark

FP32 (float)

Radeon RX 6700 XT +9758%

13.21 TFLOPS

GeForce GT 420 OEM

0.134 TFLOPS

Radeon RX 6700 XT

VS

GeForce GT 420 OEM

Graphics Card

Mar 2021

Release Date

Sep 2010

Navi II

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2321 MHz

Base Clock

-

2581 MHz

Boost Clock

-

2000 MHz

Memory Clock

900 MHz

Memory

12GB

Memory Size

1024MB

GDDR6

Memory Type

DDR3

192bit

Memory Bus

128bit

384.0GB/s

Bandwidth

28.80GB/s

Render Config

40

Compute Units

-

SM Count

1

2560

Shading Units

48

160

TMUs

4

64

ROPs

4

-

40

RT Cores

-

128 KB per Array

L1 Cache

64 KB (per SM)

3 MB

L2 Cache

256 KB

96 MB

L3 Cache

-

Theoretical Performance

165.2 GPixel/s

Pixel Rate

1.400 GPixel/s

413.0 GTexel/s

Texture Rate

2.800 GTexel/s

26.43 TFLOPS

FP16 (half)

-

13.21 TFLOPS

FP32 (float)

134.4 GFLOPS

825.9 GFLOPS

FP64 (double)

11.20 GFLOPS

Board Design

230W

TDP

50W

550 W

Suggested PSU

250 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Navi 22

GPU Name

GF108

Navi 22 XT (215-127000006)

GPU Variant

GF108-200-A1

RDNA 2.0

Architecture

Fermi

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

17.2 billion

Transistors

0.585 billion

335 mm²

Die Size

116 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

6.5

Shader Model

5.1

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