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

VS

AMD Radeon R9 270 1024SP

AMD Radeon RX 7900 GRE

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270 1024SP and 16GB VRAM Radeon RX 7900 GRE 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 260W)

AMD Radeon RX 7900 GRE 's Advantages

Released 8 years and 4 months late

Boost Clock has increased by 143% (2245MHz vs 925MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (576.0GB/s vs 153.6GB/s)

4096 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 270 1024SP

1.894 TFLOPS

Radeon RX 7900 GRE +2327%

45.98 TFLOPS

Radeon R9 270 1024SP

VS

Radeon RX 7900 GRE

Graphics Card

Mar 2015

Release Date

Jul 2023

Volcanic Islands

Generation

Navi III

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

900 MHz

Base Clock

1287 MHz

925 MHz

Boost Clock

2245 MHz

1200 MHz

Memory Clock

2250 MHz

Memory

2GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

256bit

153.6GB/s

Bandwidth

576.0GB/s

Render Config

16

Compute Units

80

-

1024

Shading Units

5120

64

TMUs

320

32

ROPs

160

-

RT Cores

80

16 KB (per CU)

L1 Cache

256 KB per Array

512 KB

L2 Cache

6 MB

-

L3 Cache

64 MB

Theoretical Performance

29.60 GPixel/s

Pixel Rate

359.2 GPixel/s

59.20 GTexel/s

Texture Rate

718.4 GTexel/s

-

FP16 (half)

91.96 TFLOPS

1.894 TFLOPS

FP32 (float)

45.98 TFLOPS

118.4 GFLOPS

FP64 (double)

1437 GFLOPS

Board Design

150W

TDP

260W

450 W

Suggested PSU

600 W

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

Outputs

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

1x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

Pitcairn

GPU Name

Navi 31

Pitcairn PRO (215-0828062)

GPU Variant

Navi 31 XL (215-145000206)

GCN 1.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

5 nm

2.8 billion

Transistors

57.7 billion

212 mm²

Die Size

529 mm²

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

6.7

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