AMD Radeon HD 6870 1600SP Edition vs ATI Radeon HD 4770

VS

AMD Radeon HD 6870 1600SP Edition ATI Radeon HD 4770

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 1600SP Edition and 512MB VRAM Radeon HD 4770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870 1600SP Edition 's Advantages

Released 3 years and 9 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (134.4GB/s vs 51.20GB/s)

960 additional rendering cores

ATI Radeon HD 4770 's Advantages

Lower TDP (80W vs 175W)

Score

Benchmark

FP32 (float)

Radeon HD 6870 1600SP Edition +183%

2.72 TFLOPS

Radeon HD 4770

0.96 TFLOPS

Radeon HD 6870 1600SP Edition

VS

Radeon HD 4770

Graphics Card

Jan 2013

Release Date

Apr 2009

Northern Islands

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1050 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

134.4GB/s

Bandwidth

51.20GB/s

Render Config

-

SM Count

-

20

Compute Units

8

1600

Shading Units

640

80

TMUs

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

128 KB

Theoretical Performance

27.20 GPixel/s

Pixel Rate

12.00 GPixel/s

68.00 GTexel/s

Texture Rate

24.00 GTexel/s

-

FP16 (half)

-

2.720 TFLOPS

FP32 (float)

960.0 GFLOPS

544.0 GFLOPS

FP64 (double)

192.0 GFLOPS

Graphics Processor

Cypress

GPU Name

RV740

Cypress XT (215-0735033)

GPU Variant

RV740 XT (215-0727019)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

2.154 billion

Transistors

0.826 billion

334 mm²

Die Size

137 mm²

Board Design

175W

TDP

80W

450 W

Suggested PSU

250 W

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

1x 6-pin

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

-

5.0

Shader Model

4.1

Related GPU Comparisons

1

NVIDIA GeForce GTX 1060 6 GB Rev. 2 vs AMD Radeon HD 6870 1600SP Edition

2

AMD Radeon HD 6870 1600SP Edition vs AMD Radeon R7 350

3

NVIDIA GeForce 9300 GS Rev. 2 vs AMD Radeon HD 6870 1600SP Edition

4

AMD Radeon HD 6870 1600SP Edition vs NVIDIA GeForce GTX 750 Ti OEM

5

NVIDIA GeForce GTX 1050 Ti vs AMD Radeon HD 6870 1600SP Edition

6

ATI Radeon HD 5450 PCI vs AMD Radeon HD 6870 1600SP Edition

7

NVIDIA GeForce 9500 GS Rev. 2 vs AMD Radeon HD 6870 1600SP Edition

8

AMD Radeon HD 6870 1600SP Edition vs ATI Radeon X1700 FSC

9

AMD Radeon HD 6870 1600SP Edition vs AMD Radeon RX 580X

10

AMD Radeon HD 6870 1600SP Edition vs NVIDIA T400