AMD Radeon RX 7900 XTX vs AMD Radeon R9 Nano

VS

AMD Radeon RX 7900 XTX

AMD Radeon R9 Nano

We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7900 XTX and 4GB VRAM Radeon R9 Nano 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 7 years and 3 months late

Boost Clock2498MHz

More VRAM (24GB vs 4GB)

Larger VRAM bandwidth (960.0GB/s vs 512.0GB/s)

2048 additional rendering cores

AMD Radeon R9 Nano 's Advantages

Lower TDP (175W vs 355W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 XTX +649%

61.39 TFLOPS

Radeon R9 Nano

8.192 TFLOPS

3DMark Time Spy

Radeon RX 7900 XTX +564%

30621

Radeon R9 Nano

4607

Shadow of the Tomb Raider 2160p

Radeon RX 7900 XTX +353%

127

Radeon R9 Nano

28

Shadow of the Tomb Raider 1440p

Radeon RX 7900 XTX +280%

228

Radeon R9 Nano

60

Shadow of the Tomb Raider 1080p

Radeon RX 7900 XTX +313%

310

Radeon R9 Nano

75

Radeon RX 7900 XTX

VS

Radeon R9 Nano

Graphics Card

Nov 2022

Release Date

Aug 2015

Navi III

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1929 MHz

Base Clock

-

2498 MHz

Boost Clock

-

2500 MHz

Memory Clock

500 MHz

Memory

24GB

Memory Size

4GB

GDDR6

Memory Type

HBM

384bit

Memory Bus

4096bit

960.0GB/s

Bandwidth

512.0GB/s

Render Config

96

Compute Units

64

-

6144

Shading Units

4096

384

TMUs

256

192

ROPs

64

-

96

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

2 MB

96 MB

L3 Cache

-

Theoretical Performance

479.6 GPixel/s

Pixel Rate

64.00 GPixel/s

959.2 GTexel/s

Texture Rate

256.0 GTexel/s

122.8 TFLOPS

FP16 (half)

8.192 TFLOPS

61.39 TFLOPS

FP32 (float)

8.192 TFLOPS

1.918 TFLOPS

FP64 (double)

512.0 GFLOPS

Board Design

355W

TDP

175W

750 W

Suggested PSU

450 W

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

Outputs

1x HDMI 1.4a 3x DisplayPort 1.2

2x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

Navi 31

GPU Name

Fiji

Navi 31 XTX (215-145000146)

GPU Variant

Fiji XT CA (215-0862120)

RDNA 3.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

57.7 billion

Transistors

8.9 billion

529 mm²

Die Size

596 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.2

OpenCL

2.0

1.3

Vulkan

1.2

-

6.7

Shader Model

6.3

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