NVIDIA GeForce GTX 1080 vs ATI Radeon HD 4850 X2

VS

NVIDIA GeForce GTX 1080

ATI Radeon HD 4850 X2

We compared two Desktop platform GPUs: 8GB VRAM GeForce GTX 1080 and 512MB VRAM Radeon HD 4850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 1080 's Advantages

Released 7 years and 6 months late

Boost Clock1733MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (320.3GB/s vs 63.68GB/s)

1760 additional rendering cores

Lower TDP (180W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 1080 +787%

8.873 TFLOPS

Radeon HD 4850 X2

1 TFLOPS

GeForce GTX 1080

VS

Radeon HD 4850 X2

Graphics Card

May 2016

Release Date

Nov 2008

GeForce 10

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1607 MHz

Base Clock

-

1733 MHz

Boost Clock

-

1251 MHz

Memory Clock

995 MHz

Memory

8GB

Memory Size

512MB

GDDR5X

Memory Type

GDDR3

256bit

Memory Bus

256bit

320.3GB/s

Bandwidth

63.68GB/s

Render Config

-

Compute Units

10

20

SM Count

-

2560

Shading Units

800

160

TMUs

40

64

ROPs

16

-

48 KB (per SM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

110.9 GPixel/s

Pixel Rate

10.00 GPixel/s

277.3 GTexel/s

Texture Rate

25.00 GTexel/s

138.6 GFLOPS

FP16 (half)

-

8.873 TFLOPS

FP32 (float)

1000 GFLOPS

277.3 GFLOPS

FP64 (double)

200.0 GFLOPS

Board Design

180W

TDP

250W

450 W

Suggested PSU

600 W

1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a

Outputs

4x DVI 1x S-Video

1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GP104

GPU Name

R700

GP104-400-A1

GPU Variant

R700 PRO (215-0669065)

Pascal

Architecture

TeraScale

TSMC

Foundry

TSMC

16 nm

Process Size

55 nm

7.2 billion

Transistors

0.956 billion

314 mm²

Die Size

256 mm²

Graphics Features

12 (12_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

1.3

Vulkan

N/A

6.1

CUDA

-

6.4

Shader Model

4.1

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