AMD Radeon RX 470 vs AMD Radeon HD 6850

VS

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 470 and 1024MB VRAM Radeon HD 6850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 470 's Advantages

Released 5 years and 10 months late

Boost Clock1206MHz

More VRAM (4GB vs 1GB)

Larger VRAM bandwidth (211.2GB/s vs 128.0GB/s)

1088 additional rendering cores

Lower TDP (120W vs 127W)

Score

Benchmark

FP32 (float)

Radeon RX 470 +231%

4.94 TFLOPS

Radeon HD 6850

1.488 TFLOPS

Radeon RX 470

VS

Radeon HD 6850

Graphics Card

Aug 2016

Release Date

Oct 2010

Arctic Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

926 MHz

Base Clock

-

1206 MHz

Boost Clock

-

1650 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

211.2GB/s

Bandwidth

128.0GB/s

Render Config

-

SM Count

-

32

Compute Units

12

2048

Shading Units

960

128

TMUs

48

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

512 KB

Theoretical Performance

38.59 GPixel/s

Pixel Rate

24.80 GPixel/s

154.4 GTexel/s

Texture Rate

37.20 GTexel/s

4.940 TFLOPS

FP16 (half)

-

4.940 TFLOPS

FP32 (float)

1488 GFLOPS

308.7 GFLOPS

FP64 (double)

-

Graphics Processor

Ellesmere

GPU Name

Barts

Polaris 10 PRO (215-0876204)

GPU Variant

Barts PRO (215-0798006)

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

5.7 billion

Transistors

1.7 billion

232 mm²

Die Size

255 mm²

Board Design

120W

TDP

127W

300 W

Suggested PSU

300 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

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

1x 6-pin

Power Connectors

1x 6-pin

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

6.4

Shader Model

5.0

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