AMD Radeon R9 280 vs AMD Radeon R7 265X OEM

VS

AMD Radeon R9 280 AMD Radeon R7 265X OEM

We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280 and 2GB VRAM Radeon R7 265X OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 280 's Advantages

Boost Clock has increased by 1% (933MHz vs 925MHz)

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (240.0GB/s vs 179.2GB/s)

512 additional rendering cores

AMD Radeon R7 265X OEM 's Advantages

Lower TDP (150W vs 200W)

Score

Benchmark

FP32 (float)

Radeon R9 280 +41%

3.344 TFLOPS

Radeon R7 265X OEM

2.368 TFLOPS

Radeon R9 280

VS

Radeon R7 265X OEM

Graphics Card

Mar 2014

Release Date

Aug 2014

Volcanic Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

827 MHz

Base Clock

900 MHz

933 MHz

Boost Clock

925 MHz

1250 MHz

Memory Clock

1400 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

240.0GB/s

Bandwidth

179.2GB/s

Render Config

-

SM Count

-

28

Compute Units

20

1792

Shading Units

1280

112

TMUs

80

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

512 KB

Theoretical Performance

29.86 GPixel/s

Pixel Rate

29.60 GPixel/s

104.5 GTexel/s

Texture Rate

74.00 GTexel/s

-

FP16 (half)

-

3.344 TFLOPS

FP32 (float)

2.368 TFLOPS

836.0 GFLOPS

FP64 (double)

148.0 GFLOPS

Graphics Processor

Tahiti

GPU Name

Curacao

Tahiti PRO3 (215-0821330)

GPU Variant

Curacao PRO (215-0848000)

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

4.313 billion

Transistors

2.8 billion

352 mm²

Die Size

212 mm²

Board Design

200W

TDP

150W

550 W

Suggested PSU

450 W

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

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.2

OpenCL

1.2

Vulkan

1.2

-

CUDA

-

5.1

Shader Model

5.1

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