AMD Radeon R7 250E vs AMD Radeon Sky 700

VS

We compared two Desktop platform GPUs: 1024MB VRAM Radeon R7 250E and 6GB VRAM Radeon Sky 700 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 250E 's Advantages

Released 9 months late

Lower TDP (55W vs 225W)

AMD Radeon Sky 700 's Advantages

More VRAM (6GB vs 1GB)

Larger VRAM bandwidth (264.0GB/s vs 72.00GB/s)

1280 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 250E

0.819 TFLOPS

Radeon Sky 700 +293%

3.226 TFLOPS

Radeon R7 250E

VS

Radeon Sky 700

Graphics Card

Dec 2013

Release Date

Mar 2013

Volcanic Islands

Generation

Radeon Sky

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1125 MHz

Memory Clock

1375 MHz

Memory

1024MB

Memory Size

6GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

384bit

72.00GB/s

Bandwidth

264.0GB/s

Render Config

-

SM Count

-

8

Compute Units

28

512

Shading Units

1792

32

TMUs

112

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

768 KB

Theoretical Performance

12.80 GPixel/s

Pixel Rate

28.80 GPixel/s

25.60 GTexel/s

Texture Rate

100.8 GTexel/s

-

FP16 (half)

-

819.2 GFLOPS

FP32 (float)

3.226 TFLOPS

51.20 GFLOPS

FP64 (double)

806.4 GFLOPS

Graphics Processor

Cape Verde

GPU Name

Tahiti

Cape Verde PRO

GPU Variant

Tahiti PRO GL

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.5 billion

Transistors

4.313 billion

123 mm²

Die Size

352 mm²

Board Design

55W

TDP

225W

250 W

Suggested PSU

550 W

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

Outputs

1x DisplayPort 1.2

None

Power Connectors

1x 8-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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