NVIDIA GeForce 8800 Ultra vs AMD Radeon RX 6400

VS

NVIDIA GeForce 8800 Ultra

AMD Radeon RX 6400

We compared two Desktop platform GPUs: 768MB VRAM GeForce 8800 Ultra and 4GB VRAM Radeon RX 6400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6400 's Advantages

Released 14 years and 8 months late

Boost Clock2321MHz

More VRAM (4GB vs 768GB)

Larger VRAM bandwidth (128.0GB/s vs 103.7GB/s)

640 additional rendering cores

Lower TDP (53W vs 171W)

Score

Benchmark

FP32 (float)

GeForce 8800 Ultra

0.387 TFLOPS

Radeon RX 6400 +821%

3.565 TFLOPS

GeForce 8800 Ultra

VS

Radeon RX 6400

Graphics Card

May 2007

Release Date

Jan 2022

GeForce 8

Generation

Navi II

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

-

Base Clock

1923 MHz

-

Boost Clock

2321 MHz

1080 MHz

Memory Clock

2000 MHz

Memory

768MB

Memory Size

4GB

GDDR3

Memory Type

GDDR6

384bit

Memory Bus

64bit

103.7GB/s

Bandwidth

128.0GB/s

Render Config

-

Compute Units

12

16

SM Count

-

128

Shading Units

768

32

TMUs

48

24

ROPs

32

-

RT Cores

12

-

L1 Cache

128 KB per Array

96 KB

L2 Cache

1024 KB

-

L3 Cache

16 MB

Theoretical Performance

14.69 GPixel/s

Pixel Rate

74.27 GPixel/s

39.17 GTexel/s

Texture Rate

111.4 GTexel/s

-

FP16 (half)

7.130 TFLOPS

387.1 GFLOPS

FP32 (float)

3.565 TFLOPS

-

FP64 (double)

222.8 GFLOPS

Board Design

171W

TDP

53W

450 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

1x HDMI 2.1 1x DisplayPort 1.4a

2x 6-pin

Power Connectors

None

Graphics Processor

G80

GPU Name

Navi 24

G80-450-A3

GPU Variant

Navi 24 XL (215-135000046)

Tesla

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

90 nm

Process Size

6 nm

0.681 billion

Transistors

5.4 billion

484 mm²

Die Size

107 mm²

Graphics Features

11.1 (10_0)

DirectX

12 Ultimate (12_2)

3.3

OpenGL

4.6

1.1 (1.0)

OpenCL

2.2

N/A

Vulkan

1.3

1.0

CUDA

-

4.0

Shader Model

6.7

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