AMD Radeon 550X 640SP vs ATI Radeon HD 4860

VS

AMD Radeon 550X 640SP

ATI Radeon HD 4860

We compared two Desktop platform GPUs: 4GB VRAM Radeon 550X 640SP and 512MB VRAM Radeon HD 4860 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 550X 640SP 's Advantages

Released 8 years and 7 months late

Boost Clock1071MHz

More VRAM (4GB vs 512GB)

Lower TDP (50W vs 130W)

ATI Radeon HD 4860 's Advantages

Larger VRAM bandwidth (96.00GB/s vs 48.00GB/s)

Score

Benchmark

FP32 (float)

Radeon 550X 640SP +53%

1.371 TFLOPS

Radeon HD 4860

0.896 TFLOPS

Radeon 550X 640SP

VS

Radeon HD 4860

Graphics Card

Apr 2018

Release Date

Sep 2009

Polaris

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1019 MHz

Base Clock

-

1071 MHz

Boost Clock

-

1500 MHz

Memory Clock

750 MHz

Memory

4GB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

256bit

48.00GB/s

Bandwidth

96.00GB/s

Render Config

10

Compute Units

8

-

640

Shading Units

640

40

TMUs

32

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

17.14 GPixel/s

Pixel Rate

11.20 GPixel/s

42.84 GTexel/s

Texture Rate

22.40 GTexel/s

1371 GFLOPS

FP16 (half)

-

1371 GFLOPS

FP32 (float)

896.0 GFLOPS

85.68 GFLOPS

FP64 (double)

179.2 GFLOPS

Board Design

50W

TDP

130W

250 W

Suggested PSU

300 W

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

Outputs

2x DVI 1x S-Video

None

Power Connectors

2x 6-pin

Graphics Processor

Lexa

GPU Name

RV790

Lexa PRO (215-0904018)

GPU Variant

RV790 GT

GCN 4.0

Architecture

TeraScale

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

55 nm

2.2 billion

Transistors

0.959 billion

103 mm²

Die Size

282 mm²

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.2

Vulkan

N/A

-

6.4

Shader Model

4.1

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