AMD Radeon R9 270 1024SP vs AMD Radeon RX 8800 XT

VS

AMD Radeon R9 270 1024SP

AMD Radeon RX 8800 XT

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270 1024SP and 16GB VRAM Radeon RX 8800 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 270 1024SP 's Advantages

Lower TDP (150W vs 220W)

AMD Radeon RX 8800 XT 's Advantages

Boost Clock has increased by 163% (2430MHz vs 925MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (624.1GB/s vs 153.6GB/s)

3072 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 270 1024SP

1.894 TFLOPS

Radeon RX 8800 XT +951%

19.91 TFLOPS

Radeon R9 270 1024SP

VS

Radeon RX 8800 XT

Graphics Card

Mar 2015

Release Date

Unknown

Volcanic Islands

Generation

Navi IV(RX 8000)

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

900 MHz

Base Clock

1295 MHz

925 MHz

Boost Clock

2430 MHz

1200 MHz

Memory Clock

2438 MHz

Memory

2GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

256bit

153.6GB/s

Bandwidth

624.1GB/s

Render Config

16

Compute Units

64

-

1024

Shading Units

4096

64

TMUs

256

32

ROPs

96

-

RT Cores

64

16 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

4 MB

-

L3 Cache

64 MB

Theoretical Performance

29.60 GPixel/s

Pixel Rate

233.3 GPixel/s

59.20 GTexel/s

Texture Rate

622.1 GTexel/s

-

FP16 (half)

39.81 TFLOPS

1.894 TFLOPS

FP32 (float)

19.91 TFLOPS

118.4 GFLOPS

FP64 (double)

622.1 GFLOPS

Board Design

150W

TDP

220W

450 W

Suggested PSU

550 W

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

Outputs

1x HDMI 2.1a3x DisplayPort 2.1

1x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

Pitcairn

GPU Name

Navi 48

Pitcairn PRO (215-0828062)

GPU Variant

Navi 48 XT

GCN 1.0

Architecture

RDNA 4.0

TSMC

Foundry

TSMC

28 nm

Process Size

4 nm

2.8 billion

Transistors

Unknown

212 mm²

Die Size

Unknown

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

2.2

1.2

Vulkan

1.3

-

5.1

Shader Model

6.8

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