AMD Radeon RX 7900 XTX vs AMD Radeon R9 270 1024SP

VS

AMD Radeon RX 7900 XTX

AMD Radeon R9 270 1024SP

We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7900 XTX and 2GB VRAM Radeon R9 270 1024SP 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 8 months late

Boost Clock has increased by 170% (2498MHz vs 925MHz)

More VRAM (24GB vs 2GB)

Larger VRAM bandwidth (960.0GB/s vs 153.6GB/s)

5120 additional rendering cores

AMD Radeon R9 270 1024SP 's Advantages

Lower TDP (150W vs 355W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 XTX +3141%

61.39 TFLOPS

Radeon R9 270 1024SP

1.894 TFLOPS

Radeon RX 7900 XTX

VS

Radeon R9 270 1024SP

Graphics Card

Nov 2022

Release Date

Mar 2015

Navi III

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1929 MHz

Base Clock

900 MHz

2498 MHz

Boost Clock

925 MHz

2500 MHz

Memory Clock

1200 MHz

Memory

24GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

384bit

Memory Bus

256bit

960.0GB/s

Bandwidth

153.6GB/s

Render Config

96

Compute Units

16

-

6144

Shading Units

1024

384

TMUs

64

192

ROPs

32

-

96

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

512 KB

96 MB

L3 Cache

-

Theoretical Performance

479.6 GPixel/s

Pixel Rate

29.60 GPixel/s

959.2 GTexel/s

Texture Rate

59.20 GTexel/s

122.8 TFLOPS

FP16 (half)

-

61.39 TFLOPS

FP32 (float)

1.894 TFLOPS

1.918 TFLOPS

FP64 (double)

118.4 GFLOPS

Board Design

355W

TDP

150W

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

1x 6-pin

Graphics Processor

Navi 31

GPU Name

Pitcairn

Navi 31 XTX (215-145000146)

GPU Variant

Pitcairn PRO (215-0828062)

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

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

-

6.7

Shader Model

5.1

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