AMD Radeon HD 7850 vs AMD Radeon RX 480

VS

AMD Radeon HD 7850

AMD Radeon RX 480

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7850 and 8GB VRAM Radeon RX 480 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7850 's Advantages

Lower TDP (130W vs 150W)

AMD Radeon RX 480 's Advantages

Released 4 years and 3 months late

Boost Clock1266MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (256.0GB/s vs 153.6GB/s)

1280 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7850

1.761 TFLOPS

Radeon RX 480 +231%

5.834 TFLOPS

3DMark Time Spy

Radeon HD 7850

1312

Radeon RX 480 +217%

4164

Radeon HD 7850

VS

Radeon RX 480

Graphics Card

Mar 2012

Release Date

Jun 2016

Southern Islands

Generation

Arctic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1120 MHz

-

Boost Clock

1266 MHz

1200 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

153.6GB/s

Bandwidth

256.0GB/s

Render Config

16

Compute Units

36

-

1024

Shading Units

2304

64

TMUs

144

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

2 MB

-

Theoretical Performance

27.52 GPixel/s

Pixel Rate

40.51 GPixel/s

55.04 GTexel/s

Texture Rate

182.3 GTexel/s

-

FP16 (half)

5.834 TFLOPS

1.761 TFLOPS

FP32 (float)

5.834 TFLOPS

110.1 GFLOPS

FP64 (double)

364.6 GFLOPS

Board Design

130W

TDP

150W

300 W

Suggested PSU

450 W

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

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Pitcairn

GPU Name

Ellesmere

Pitcairn PRO (215-0828062)

GPU Variant

Polaris 10 XT (215-0876184)

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

2.8 billion

Transistors

5.7 billion

212 mm²

Die Size

232 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2

-

5.1

Shader Model

6.4

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