AMD Radeon HD 8860 OEM vs ATI Radeon HD 4890

VS

AMD Radeon HD 8860 OEM ATI Radeon HD 4890

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 8860 OEM and 1024MB VRAM Radeon HD 4890 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8860 OEM 's Advantages

Released 3 years and 9 months late

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (179.2GB/s vs 124.8GB/s)

480 additional rendering cores

Lower TDP (175W vs 190W)

Score

Benchmark

FP32 (float)

Radeon HD 8860 OEM +74%

2.368 TFLOPS

Radeon HD 4890

1.36 TFLOPS

Radeon HD 8860 OEM

VS

Radeon HD 4890

Graphics Card

Jan 2013

Release Date

Apr 2009

Sea Islands

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1400 MHz

Memory Clock

975 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

179.2GB/s

Bandwidth

124.8GB/s

Render Config

-

SM Count

-

20

Compute Units

10

1280

Shading Units

800

80

TMUs

40

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

Theoretical Performance

29.60 GPixel/s

Pixel Rate

13.60 GPixel/s

74.00 GTexel/s

Texture Rate

34.00 GTexel/s

-

FP16 (half)

-

2.368 TFLOPS

FP32 (float)

1360 GFLOPS

148.0 GFLOPS

FP64 (double)

272.0 GFLOPS

Graphics Processor

Curacao

GPU Name

RV790

Curacao PRO (215-0848000)

GPU Variant

RV790 XT (215-0758016)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

2.8 billion

Transistors

0.959 billion

212 mm²

Die Size

282 mm²

Board Design

175W

TDP

190W

450 W

Suggested PSU

450 W

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

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

2x 6-pin

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

-

5.1

Shader Model

4.1

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