AMD Radeon RX 7900 XTX vs NVIDIA GeForce 8800 Ultra

VS

AMD Radeon RX 7900 XTX

NVIDIA GeForce 8800 Ultra

We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7900 XTX and 768MB VRAM GeForce 8800 Ultra to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900 XTX 's Advantages

Released 15 years and 6 months late

Boost Clock2498MHz

More VRAM (24GB vs 768GB)

Larger VRAM bandwidth (960.0GB/s vs 103.7GB/s)

6016 additional rendering cores

NVIDIA GeForce 8800 Ultra 's Advantages

Lower TDP (171W vs 355W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 XTX +15763%

61.39 TFLOPS

GeForce 8800 Ultra

0.387 TFLOPS

Radeon RX 7900 XTX

VS

GeForce 8800 Ultra

Graphics Card

Nov 2022

Release Date

May 2007

Navi III

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

1929 MHz

Base Clock

-

2498 MHz

Boost Clock

-

2500 MHz

Memory Clock

1080 MHz

Memory

24GB

Memory Size

768MB

GDDR6

Memory Type

GDDR3

384bit

Memory Bus

384bit

960.0GB/s

Bandwidth

103.7GB/s

Render Config

96

Compute Units

-

SM Count

16

6144

Shading Units

128

384

TMUs

32

192

ROPs

24

-

96

RT Cores

-

256 KB per Array

L1 Cache

-

6 MB

L2 Cache

96 KB

96 MB

L3 Cache

-

Theoretical Performance

479.6 GPixel/s

Pixel Rate

14.69 GPixel/s

959.2 GTexel/s

Texture Rate

39.17 GTexel/s

122.8 TFLOPS

FP16 (half)

-

61.39 TFLOPS

FP32 (float)

387.1 GFLOPS

1.918 TFLOPS

FP64 (double)

-

Board Design

355W

TDP

171W

750 W

Suggested PSU

450 W

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

Outputs

2x DVI 1x S-Video

2x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Navi 31

GPU Name

G80

Navi 31 XTX (215-145000146)

GPU Variant

G80-450-A3

RDNA 3.0

Architecture

Tesla

TSMC

Foundry

TSMC

5 nm

Process Size

90 nm

57.7 billion

Transistors

0.681 billion

529 mm²

Die Size

484 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

2.2

OpenCL

1.1 (1.0)

1.3

Vulkan

N/A

-

CUDA

1.0

6.7

Shader Model

4.0

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