AMD Radeon RX 7900 XTX vs AMD Radeon R9 270X

VS

AMD Radeon RX 7900 XTX AMD Radeon R9 270X

We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7900 XTX and 2GB VRAM Radeon R9 270X 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 9 years and 1 months late

Boost Clock has increased by 138% (2498MHz vs 1050MHz)

More VRAM (24GB vs 2GB)

Larger VRAM bandwidth (960.0GB/s vs 179.2GB/s)

4864 additional rendering cores

AMD Radeon R9 270X 's Advantages

Lower TDP (180W vs 355W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 XTX +2183%

61.39 TFLOPS

Radeon R9 270X

2.688 TFLOPS

3DMark Time Spy

Radeon RX 7900 XTX +1625%

30511

Radeon R9 270X

1768

Radeon RX 7900 XTX

VS

Radeon R9 270X

Graphics Card

Nov 2022

Release Date

Oct 2013

Navi III

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1929 MHz

Base Clock

1000 MHz

2498 MHz

Boost Clock

1050 MHz

2500 MHz

Memory Clock

1400 MHz

Memory

24GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

384bit

Memory Bus

256bit

960.0GB/s

Bandwidth

179.2GB/s

Render Config

-

SM Count

-

96

Compute Units

20

6144

Shading Units

1280

384

TMUs

80

192

ROPs

32

-

Tensor Cores

-

96

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

512 KB

Theoretical Performance

479.6 GPixel/s

Pixel Rate

33.60 GPixel/s

959.2 GTexel/s

Texture Rate

84.00 GTexel/s

122.8 TFLOPS

FP16 (half)

-

61.39 TFLOPS

FP32 (float)

2.688 TFLOPS

1.918 TFLOPS

FP64 (double)

168.0 GFLOPS

Graphics Processor

Navi 31

GPU Name

Curacao

Navi 31 XTX (215-145000146)

GPU Variant

Curacao XT (215-0848004)

RDNA 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

57.7 billion

Transistors

2.8 billion

529 mm²

Die Size

212 mm²

Board Design

355W

TDP

180W

750 W

Suggested PSU

450 W

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

Outputs

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

2x 8-pin

Power Connectors

2x 6-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.2

OpenCL

1.2

1.3

Vulkan

1.2

-

CUDA

-

6.7

Shader Model

5.1

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