AMD Radeon HD 8770 OEM vs AMD Radeon R7 250XE

VS

AMD Radeon HD 8770 OEM

AMD Radeon R7 250XE

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

Main Differences

AMD Radeon HD 8770 OEM 's Advantages

Larger VRAM bandwidth (96.00GB/s vs 72.00GB/s)

256 additional rendering cores

AMD Radeon R7 250XE 's Advantages

Released 11 months late

Lower TDP (80W vs 85W)

Score

Benchmark

FP32 (float)

Radeon HD 8770 OEM +70%

1.882 TFLOPS

Radeon R7 250XE

1.101 TFLOPS

Radeon HD 8770 OEM

VS

Radeon R7 250XE

Graphics Card

Sep 2013

Release Date

Aug 2014

Sea Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1500 MHz

Memory Clock

1125 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

96.00GB/s

Bandwidth

72.00GB/s

Render Config

14

Compute Units

10

-

896

Shading Units

640

56

TMUs

40

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

16.80 GPixel/s

Pixel Rate

13.76 GPixel/s

58.80 GTexel/s

Texture Rate

34.40 GTexel/s

-

1.882 TFLOPS

FP32 (float)

1101 GFLOPS

117.6 GFLOPS

FP64 (double)

68.80 GFLOPS

Board Design

85W

TDP

80W

250 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

1x 6-pin

Power Connectors

None

Graphics Processor

Bonaire

GPU Name

Cape Verde

Bonaire XT (215-0839039)

GPU Variant

Cape Verde XT

GCN 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

1.5 billion

160 mm²

Die Size

123 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.0

OpenCL

1.2

Vulkan

1.2

-

6.3

Shader Model

5.1

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