AMD Radeon RX 6700 XT vs NVIDIA GeForce 8400 GS PCI

VS

AMD Radeon RX 6700 XT

NVIDIA GeForce 8400 GS PCI

We compared two Desktop platform GPUs: 12GB VRAM Radeon RX 6700 XT and 512MB VRAM GeForce 8400 GS PCI 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 13 years and 3 months late

Boost Clock2581MHz

More VRAM (12GB vs 512GB)

Larger VRAM bandwidth (384.0GB/s vs 5.328GB/s)

2552 additional rendering cores

NVIDIA GeForce 8400 GS PCI 's Advantages

Lower TDP (25W vs 230W)

Score

Benchmark

FP32 (float)

Radeon RX 6700 XT +59945%

13.21 TFLOPS

GeForce 8400 GS PCI

0.022 TFLOPS

Radeon RX 6700 XT

VS

GeForce 8400 GS PCI

Graphics Card

Mar 2021

Release Date

Dec 2007

Navi II

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCI

Clock Speeds

2321 MHz

Base Clock

-

2581 MHz

Boost Clock

-

2000 MHz

Memory Clock

333 MHz

Memory

12GB

Memory Size

512MB

GDDR6

Memory Type

DDR2

192bit

Memory Bus

64bit

384.0GB/s

Bandwidth

5.328GB/s

Render Config

40

Compute Units

-

SM Count

1

2560

Shading Units

8

160

TMUs

4

64

ROPs

4

-

40

RT Cores

-

128 KB per Array

L1 Cache

-

3 MB

L2 Cache

16 KB

96 MB

L3 Cache

-

Theoretical Performance

165.2 GPixel/s

Pixel Rate

2.268 GPixel/s

413.0 GTexel/s

Texture Rate

2.268 GTexel/s

26.43 TFLOPS

FP16 (half)

-

13.21 TFLOPS

FP32 (float)

22.40 GFLOPS

825.9 GFLOPS

FP64 (double)

-

Board Design

230W

TDP

25W

550 W

Suggested PSU

200 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x S-Video 1x DMS-59

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Navi 22

GPU Name

G98

Navi 22 XT (215-127000006)

GPU Variant

G98-400-U2

RDNA 2.0

Architecture

Tesla

TSMC

Foundry

TSMC

7 nm

Process Size

65 nm

17.2 billion

Transistors

0.21 billion

335 mm²

Die Size

86 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.3

Vulkan

N/A

-

CUDA

1.1

6.5

Shader Model

4.0

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