AMD Radeon HD 8770 OEM vs ATI Radeon HD 3870

VS

AMD Radeon HD 8770 OEM ATI Radeon HD 3870

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 8770 OEM and 512MB VRAM Radeon HD 3870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8770 OEM 's Advantages

Released 5 years and 10 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (96.00GB/s vs 72.06GB/s)

576 additional rendering cores

Lower TDP (85W vs 106W)

Score

Benchmark

FP32 (float)

Radeon HD 8770 OEM +278%

1.882 TFLOPS

Radeon HD 3870

0.497 TFLOPS

Radeon HD 8770 OEM

VS

Radeon HD 3870

Graphics Card

Sep 2013

Release Date

Nov 2007

Sea Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1500 MHz

Memory Clock

1126 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR4

128bit

Memory Bus

256bit

96.00GB/s

Bandwidth

72.06GB/s

Render Config

-

SM Count

-

14

Compute Units

4

896

Shading Units

320

56

TMUs

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

256 KB

Theoretical Performance

16.80 GPixel/s

Pixel Rate

12.43 GPixel/s

58.80 GTexel/s

Texture Rate

12.43 GTexel/s

-

FP16 (half)

-

1.882 TFLOPS

FP32 (float)

497.3 GFLOPS

117.6 GFLOPS

FP64 (double)

99.46 GFLOPS

Graphics Processor

Bonaire

GPU Name

RV670

Bonaire XT (215-0839039)

GPU Variant

RV670 XT (215-0708005)

GCN 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

2.08 billion

Transistors

0.666 billion

160 mm²

Die Size

192 mm²

Board Design

85W

TDP

106W

250 W

Suggested PSU

300 W

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

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

1x 6-pin

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3 (full) 4.0 (partial)

2.0

OpenCL

N/A

1.2

Vulkan

N/A

-

CUDA

-

6.3

Shader Model

4.1

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