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

VS

AMD Radeon RX 7900 GRE AMD Radeon R9 270 1024SP

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7900 GRE 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 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

AMD Radeon R9 270 1024SP 's Advantages

Lower TDP (150W vs 260W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 GRE +2327%

45.98 TFLOPS

Radeon R9 270 1024SP

1.894 TFLOPS

Radeon RX 7900 GRE

VS

Radeon R9 270 1024SP

Graphics Card

Jul 2023

Release Date

Mar 2015

Navi III

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1287 MHz

Base Clock

900 MHz

2245 MHz

Boost Clock

925 MHz

2250 MHz

Memory Clock

1200 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

256bit

576.0GB/s

Bandwidth

153.6GB/s

Render Config

-

SM Count

-

80

Compute Units

16

5120

Shading Units

1024

320

TMUs

64

160

ROPs

32

-

Tensor Cores

-

80

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

512 KB

Theoretical Performance

359.2 GPixel/s

Pixel Rate

29.60 GPixel/s

718.4 GTexel/s

Texture Rate

59.20 GTexel/s

91.96 TFLOPS

FP16 (half)

-

45.98 TFLOPS

FP32 (float)

1.894 TFLOPS

1437 GFLOPS

FP64 (double)

118.4 GFLOPS

Graphics Processor

Navi 31

GPU Name

Pitcairn

Navi 31 XL

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

Board Design

260W

TDP

150W

600 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 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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