ATI Radeon HD 4870 vs AMD Radeon R9 285

VS

ATI Radeon HD 4870

AMD Radeon R9 285

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4870 and 2GB VRAM Radeon R9 285 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4870 's Advantages

Lower TDP (150W vs 190W)

AMD Radeon R9 285 's Advantages

Released 6 years and 3 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (176.0GB/s vs 115.2GB/s)

992 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 4870

1.2 TFLOPS

Radeon R9 285 +174%

3.29 TFLOPS

Radeon HD 4870

VS

Radeon R9 285

Graphics Card

Jun 2008

Release Date

Sep 2014

Radeon R700

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

900 MHz

Memory Clock

1375 MHz

Memory

512MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

115.2GB/s

Bandwidth

176.0GB/s

Render Config

10

Compute Units

28

-

800

Shading Units

1792

40

TMUs

112

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

29.38 GPixel/s

30.00 GTexel/s

Texture Rate

102.8 GTexel/s

-

FP16 (half)

3.290 TFLOPS

1200 GFLOPS

FP32 (float)

3.290 TFLOPS

240.0 GFLOPS

FP64 (double)

205.6 GFLOPS

Board Design

150W

TDP

190W

450 W

Suggested PSU

450 W

2x DVI 1x S-Video

Outputs

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

2x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

RV770

GPU Name

Tonga

RV770 XT (215-0669049)

GPU Variant

Tonga PRO (215-0851128)

TeraScale

Architecture

GCN 3.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.956 billion

Transistors

5 billion

256 mm²

Die Size

366 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (12_0)

3.3

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.2.170

-

4.1

Shader Model

6.5

Related GPU Comparisons

1

ATI Radeon HD 4870 vs NVIDIA GeForce 8400 SE

2

ATI Radeon HD 4870 vs NVIDIA GeForce GT 430

3

ATI Radeon HD 4870 vs NVIDIA GeForce GT 635 OEM

4

ATI Radeon HD 4870 vs NVIDIA GeForce GT 430 PCI

5

ATI Radeon HD 4870 vs ATI Radeon HD 3730

6

ATI Radeon HD 4870 vs NVIDIA CMP 90HX

7

ATI Radeon HD 4870 vs NVIDIA GeForce G210 OEM Rev. 2

8

ATI Radeon HD 4870 vs AMD Radeon Pro V340

9

ATI Radeon HD 4870 vs NVIDIA GeForce GT 1010

10

ATI Radeon HD 4870 vs NVIDIA Quadro FX 540

Related News

1

CPU-Z Minor Update: Support for Intel's Four New Products and New Memory

2

CXMT Reportedly Achieves 80% Yield in DDR5 Production

3

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

4

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

5

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

6

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

7

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

8

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

9

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

10

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip