AMD Radeon R9 280X2 vs AMD Radeon R7 250 OEM

VS

AMD Radeon R9 280X2

AMD Radeon R7 250 OEM

We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280X2 and 2GB VRAM Radeon R7 250 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 280X2 's Advantages

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (288.0GB/s vs 32.00GB/s)

1664 additional rendering cores

AMD Radeon R7 250 OEM 's Advantages

Boost Clock has increased by 5% (1050MHz vs 1000MHz)

Lower TDP (65W vs 375W)

Score

Benchmark

FP32 (float)

Radeon R9 280X2 +408%

4.096 TFLOPS

Radeon R7 250 OEM

0.806 TFLOPS

Radeon R9 280X2

VS

Radeon R7 250 OEM

Graphics Card

Unknown

Release Date

Oct 2013

Volcanic Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

950 MHz

Base Clock

1000 MHz

Boost Clock

1050 MHz

1500 MHz

Memory Clock

1000 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

384bit

Memory Bus

128bit

288.0GB/s

Bandwidth

32.00GB/s

Render Config

32

Compute Units

6

-

2048

Shading Units

384

128

TMUs

24

32

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

256 KB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

8.400 GPixel/s

128.0 GTexel/s

Texture Rate

25.20 GTexel/s

-

4.096 TFLOPS

FP32 (float)

806.4 GFLOPS

1024 GFLOPS

FP64 (double)

50.40 GFLOPS

Board Design

375W

TDP

65W

750 W

Suggested PSU

250 W

6x mini-DisplayPort 1.2

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

3x 8-pin

Power Connectors

None

Graphics Processor

Tahiti

GPU Name

Oland

Tahiti XTL (215-0821065)

GPU Variant

Oland XT (215-0837000)

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

4.313 billion

Transistors

0.95 billion

352 mm²

Die Size

77 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.2

OpenCL

1.2

Vulkan

1.2

-

5.1

Shader Model

5.1

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