NVIDIA GeForce RTX 4090 vs AMD Radeon R9 270X

VS

NVIDIA GeForce RTX 4090 AMD Radeon R9 270X

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 and 2GB VRAM Radeon R9 270X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 's Advantages

Released 8 years and 11 months late

Boost Clock has increased by 140% (2520MHz vs 1050MHz)

More VRAM (24GB vs 2GB)

15104 additional rendering cores

AMD Radeon R9 270X 's Advantages

Larger VRAM bandwidth (179.2TB/s vs 1.01TB/s)

Lower TDP (180W vs 450W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 +2972%

82.58 TFLOPS

Radeon R9 270X

2.688 TFLOPS

3DMark Time Spy

GeForce RTX 4090 +1964%

36549

Radeon R9 270X

1770

GeForce RTX 4090

VS

Radeon R9 270X

Graphics Card

Sep 2022

Release Date

Oct 2013

GeForce 40

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2235 MHz

Base Clock

1000 MHz

2520 MHz

Boost Clock

1050 MHz

1313 MHz

Memory Clock

1400 MHz

Memory

24GB

Memory Size

2GB

GDDR6X

Memory Type

GDDR5

384bit

Memory Bus

256bit

1.01TB/s

Bandwidth

179.2GB/s

Render Config

128

SM Count

-

Compute Units

20

16384

Shading Units

1280

512

TMUs

80

176

ROPs

32

512

Tensor Cores

-

128

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

72 MB

L2 Cache

512 KB

Theoretical Performance

443.5 GPixel/s

Pixel Rate

33.60 GPixel/s

1290 GTexel/s

Texture Rate

84.00 GTexel/s

82.58 TFLOPS

FP16 (half)

-

82.58 TFLOPS

FP32 (float)

2.688 TFLOPS

1290 GFLOPS

FP64 (double)

168.0 GFLOPS

Graphics Processor

AD102

GPU Name

Curacao

AD102-300-A1

GPU Variant

Curacao XT (215-0848004)

Ada Lovelace

Architecture

GCN 1.0

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

76.3 billion

Transistors

2.8 billion

609 mm²

Die Size

212 mm²

Board Design

450W

TDP

180W

850 W

Suggested PSU

450 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

1x 16-pin

Power Connectors

2x 6-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.3

Vulkan

1.2

8.9

CUDA

-

6.7

Shader Model

5.1

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