AMD Radeon R9 270 1024SP vs AMD Radeon RX 6800

VS

AMD Radeon R9 270 1024SP

AMD Radeon RX 6800

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270 1024SP and 16GB VRAM Radeon RX 6800 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 250W)

AMD Radeon RX 6800 's Advantages

Released 5 years and 7 months late

Boost Clock has increased by 128% (2105MHz vs 925MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 153.6GB/s)

2816 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 270 1024SP

1.894 TFLOPS

Radeon RX 6800 +753%

16.17 TFLOPS

Radeon R9 270 1024SP

VS

Radeon RX 6800

Graphics Card

Mar 2015

Release Date

Oct 2020

Volcanic Islands

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

900 MHz

Base Clock

1700 MHz

925 MHz

Boost Clock

2105 MHz

1200 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

256bit

153.6GB/s

Bandwidth

512.0GB/s

Render Config

16

Compute Units

60

-

1024

Shading Units

3840

64

TMUs

240

32

ROPs

96

-

RT Cores

60

16 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

29.60 GPixel/s

Pixel Rate

202.1 GPixel/s

59.20 GTexel/s

Texture Rate

505.2 GTexel/s

-

FP16 (half)

32.33 TFLOPS

1.894 TFLOPS

FP32 (float)

16.17 TFLOPS

118.4 GFLOPS

FP64 (double)

1010 GFLOPS

Board Design

150W

TDP

250W

450 W

Suggested PSU

600 W

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

Outputs

1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C

1x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

Pitcairn

GPU Name

Navi 21

Pitcairn PRO (215-0828062)

GPU Variant

Navi 21 XL (215-121000187)

GCN 1.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

2.8 billion

Transistors

26.8 billion

212 mm²

Die Size

520 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.3

-

5.1

Shader Model

6.5

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