AMD Radeon HD 8770 OEM vs AMD Radeon R5 340 OEM

VS

AMD Radeon HD 8770 OEM

AMD Radeon R5 340 OEM

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 8770 OEM and 1024MB VRAM Radeon R5 340 OEM 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 36.80GB/s)

512 additional rendering cores

AMD Radeon R5 340 OEM 's Advantages

Released 1 years and 8 months late

Boost Clock780MHz

Lower TDP (65W vs 85W)

Score

Benchmark

FP32 (float)

Radeon HD 8770 OEM +214%

1.882 TFLOPS

Radeon R5 340 OEM

0.599 TFLOPS

Radeon HD 8770 OEM

VS

Radeon R5 340 OEM

Graphics Card

Sep 2013

Release Date

May 2015

Sea Islands

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

730 MHz

-

Boost Clock

780 MHz

1500 MHz

Memory Clock

1150 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

64bit

96.00GB/s

Bandwidth

36.80GB/s

Render Config

14

Compute Units

6

-

896

Shading Units

384

56

TMUs

24

16

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

16.80 GPixel/s

Pixel Rate

6.240 GPixel/s

58.80 GTexel/s

Texture Rate

18.72 GTexel/s

-

1.882 TFLOPS

FP32 (float)

599.0 GFLOPS

117.6 GFLOPS

FP64 (double)

37.44 GFLOPS

Board Design

85W

TDP

65W

250 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x DisplayPort 1.2

1x 6-pin

Power Connectors

None

Graphics Processor

Bonaire

GPU Name

Oland

Bonaire XT (215-0839039)

GPU Variant

Oland PRO (215-0837015)

GCN 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

0.95 billion

160 mm²

Die Size

77 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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