ATI Radeon HD 4770 vs AMD Radeon R9 270 1024SP

VS

ATI Radeon HD 4770

AMD Radeon R9 270 1024SP

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4770 and 2GB VRAM Radeon R9 270 1024SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4770 's Advantages

Lower TDP (80W vs 150W)

AMD Radeon R9 270 1024SP 's Advantages

Released 5 years and 11 months late

Boost Clock925MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (153.6GB/s vs 51.20GB/s)

384 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 4770

0.96 TFLOPS

Radeon R9 270 1024SP +97%

1.894 TFLOPS

Radeon HD 4770

VS

Radeon R9 270 1024SP

Graphics Card

Apr 2009

Release Date

Mar 2015

Radeon R700

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

925 MHz

800 MHz

Memory Clock

1200 MHz

Memory

512MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

51.20GB/s

Bandwidth

153.6GB/s

Render Config

8

Compute Units

16

-

640

Shading Units

1024

32

TMUs

64

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

29.60 GPixel/s

24.00 GTexel/s

Texture Rate

59.20 GTexel/s

-

960.0 GFLOPS

FP32 (float)

1.894 TFLOPS

192.0 GFLOPS

FP64 (double)

118.4 GFLOPS

Board Design

80W

TDP

150W

250 W

Suggested PSU

450 W

2x DVI 1x S-Video

Outputs

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

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

RV740

GPU Name

Pitcairn

RV740 XT (215-0727019)

GPU Variant

Pitcairn PRO (215-0828062)

TeraScale

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.826 billion

Transistors

2.8 billion

137 mm²

Die Size

212 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_1)

3.3

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

-

4.1

Shader Model

5.1

Related GPU Comparisons

1

ATI Radeon HD 4770 vs ATI Radeon HD 5570

2

ATI Radeon HD 4770 vs AMD Radeon HD 6990

3

ATI Radeon HD 4770 vs ATI FirePro V9800P

4

ATI Radeon HD 4770 vs AMD Radeon R5 240 OEM

5

ATI Radeon HD 4770 vs AMD Radeon RX 6300

6

ATI Radeon HD 4770 vs AMD Radeon R9 380 OEM

7

ATI Radeon HD 4770 vs ATI Radeon X800 GTO AGP

8

ATI Radeon HD 4770 vs ATI FireGL V7600

9

ATI Radeon HD 4770 vs AMD Radeon RX 5700 XT

10

ATI Radeon HD 4770 vs NVIDIA GeForce GTX 570 Rev. 2

Related News

1

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

2

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

3

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

4

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

5

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

6

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

7

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

8

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU

9

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!

10

Intel Finally Achieves Frame Generation! 'F1 24' Becomes the First XeSS 2 Game