AMD Radeon R9 280X vs AMD Radeon R7 250

VS

We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280X and 1024MB VRAM Radeon R7 250 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 280X 's Advantages

Boost Clock1000MHz

More VRAM (3GB vs 1GB)

Larger VRAM bandwidth (288.0GB/s vs 28.80GB/s)

1536 additional rendering cores

AMD Radeon R7 250 's Advantages

Lower TDP (55W vs 250W)

Score

Benchmark

FP32 (float)

Radeon R9 280X +471%

4.096 TFLOPS

Radeon R7 250

0.717 TFLOPS

Radeon R9 280X

VS

Radeon R7 250

Graphics Card

Oct 2013

Release Date

Oct 2013

Volcanic Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

850 MHz

Base Clock

-

1000 MHz

Boost Clock

-

1500 MHz

Memory Clock

900 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

384bit

Memory Bus

128bit

288.0GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

-

32

Compute Units

8

2048

Shading Units

512

128

TMUs

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

256 KB

Theoretical Performance

32.00 GPixel/s

Pixel Rate

11.20 GPixel/s

128.0 GTexel/s

Texture Rate

22.40 GTexel/s

-

FP16 (half)

-

4.096 TFLOPS

FP32 (float)

716.8 GFLOPS

1024 GFLOPS

FP64 (double)

44.80 GFLOPS

Graphics Processor

Tahiti

GPU Name

Cape Verde

Tahiti XTL (215-0821065)

GPU Variant

Cape Verde PRO

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

4.313 billion

Transistors

1.5 billion

352 mm²

Die Size

123 mm²

Board Design

250W

TDP

55W

600 W

Suggested PSU

250 W

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

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

None

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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