NVIDIA GeForce 8400 GS PCI Rev. 2 vs AMD Radeon RX 6900 XTX

VS

NVIDIA GeForce 8400 GS PCI Rev. 2 AMD Radeon RX 6900 XTX

We compared two Desktop platform GPUs: 512MB VRAM GeForce 8400 GS PCI Rev. 2 and 16GB VRAM Radeon RX 6900 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8400 GS PCI Rev. 2 's Advantages

Lower TDP (40W vs 330W)

AMD Radeon RX 6900 XTX 's Advantages

Boost Clock2435MHz

Larger VRAM bandwidth (576.0GB/s vs 8.000GB/s)

5104 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8400 GS PCI Rev. 2

0.039 TFLOPS

Radeon RX 6900 XTX +63823%

24.93 TFLOPS

GeForce 8400 GS PCI Rev. 2

VS

Radeon RX 6900 XTX

Graphics Card

Apr 2007

Release Date

Unknown

GeForce 8

Generation

Navi II

Desktop

Type

Desktop

PCI

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2075 MHz

-

Boost Clock

2435 MHz

500 MHz

Memory Clock

2250 MHz

Memory

512MB

Memory Size

16GB

DDR3

Memory Type

GDDR6

64bit

Memory Bus

256bit

8.000GB/s

Bandwidth

576.0GB/s

Render Config

2

SM Count

-

Compute Units

80

16

Shading Units

5120

8

TMUs

320

4

ROPs

128

-

Tensor Cores

-

RT Cores

80

-

L1 Cache

128 KB per Array

32 KB

L2 Cache

4 MB

Theoretical Performance

2.080 GPixel/s

Pixel Rate

311.7 GPixel/s

4.160 GTexel/s

Texture Rate

779.2 GTexel/s

-

FP16 (half)

49.87 TFLOPS

39.36 GFLOPS

FP32 (float)

24.93 TFLOPS

-

FP64 (double)

1.558 TFLOPS

Graphics Processor

GT218

GPU Name

Navi 21

-

GPU Variant

Navi 21 XTXH (215-121000247)

Tesla 2.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

0.26 billion

Transistors

26.8 billion

57 mm²

Die Size

520 mm²

Board Design

40W

TDP

330W

200 W

Suggested PSU

700 W

1x DVI 1x HDMI 1x VGA

Outputs

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

None

Power Connectors

2x 8-pin

Graphics Features

11.1 (10_1)

DirectX

12 Ultimate (12_2)

3.3

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.3

1.2

CUDA

-

4.1

Shader Model

6.5

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