AMD Radeon R7 250 vs AMD Radeon HD 8770 OEM

VS

AMD Radeon R7 250

AMD Radeon HD 8770 OEM

We compared two Desktop platform GPUs: 1024MB VRAM Radeon R7 250 and 1024MB VRAM Radeon HD 8770 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 250 's Advantages

Lower TDP (55W vs 85W)

AMD Radeon HD 8770 OEM 's Advantages

Larger VRAM bandwidth (96.00GB/s vs 28.80GB/s)

384 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 250

0.717 TFLOPS

Radeon HD 8770 OEM +162%

1.882 TFLOPS

Radeon R7 250

VS

Radeon HD 8770 OEM

Graphics Card

Oct 2013

Release Date

Sep 2013

Volcanic Islands

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

900 MHz

Memory Clock

1500 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

96.00GB/s

Render Config

8

Compute Units

14

-

512

Shading Units

896

32

TMUs

56

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

11.20 GPixel/s

Pixel Rate

16.80 GPixel/s

22.40 GTexel/s

Texture Rate

58.80 GTexel/s

-

716.8 GFLOPS

FP32 (float)

1.882 TFLOPS

44.80 GFLOPS

FP64 (double)

117.6 GFLOPS

Board Design

55W

TDP

85W

250 W

Suggested PSU

250 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

1x 6-pin

Graphics Processor

Cape Verde

GPU Name

Bonaire

Cape Verde PRO

GPU Variant

Bonaire XT (215-0839039)

GCN 1.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.5 billion

Transistors

2.08 billion

123 mm²

Die Size

160 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.0

1.2

Vulkan

1.2

-

5.1

Shader Model

6.3

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