AMD Radeon R7 250E vs AMD Radeon HD 7950

VS

AMD Radeon R7 250E

AMD Radeon HD 7950

We compared two Desktop platform GPUs: 1024MB VRAM Radeon R7 250E and 3GB VRAM Radeon HD 7950 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 250E 's Advantages

Released 1 years and 11 months late

Lower TDP (55W vs 200W)

AMD Radeon HD 7950 's Advantages

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (240.0GB/s vs 72.00GB/s)

1280 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 250E

0.819 TFLOPS

Radeon HD 7950 +250%

2.867 TFLOPS

Radeon R7 250E

VS

Radeon HD 7950

Graphics Card

Dec 2013

Release Date

Jan 2012

Volcanic Islands

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1125 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

384bit

72.00GB/s

Bandwidth

240.0GB/s

Render Config

8

Compute Units

28

-

512

Shading Units

1792

32

TMUs

112

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

768 KB

-

Theoretical Performance

12.80 GPixel/s

Pixel Rate

25.60 GPixel/s

25.60 GTexel/s

Texture Rate

89.60 GTexel/s

-

819.2 GFLOPS

FP32 (float)

2.867 TFLOPS

51.20 GFLOPS

FP64 (double)

716.8 GFLOPS

Board Design

55W

TDP

200W

250 W

Suggested PSU

550 W

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

Outputs

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

None

Power Connectors

2x 6-pin

Graphics Processor

Cape Verde

GPU Name

Tahiti

Cape Verde PRO

GPU Variant

Tahiti PRO (215-0821056)

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

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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