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ASUS HD 4770 Formula

  • EAH4770-FORMULA/DI/512MD5
Graphics Processor
RV740
Cores
640
TMUs
32
ROPs
16
Memory Size
512 MB
Memory Type
GDDR5
Bus Width
128 bit
Front GPU Chip
GPU Chip
GPU

Graphics Processor

GPU Name
RV740
GPU Variant
RV740 XT
(215-0727019)
Architecture
TeraScale
Foundry
TSMC
Process Size
40 nm
Transistors
826 million
Density
6.0M / mm²
Die Size
137 mm²

Graphics Card

Release Date
Apr 28th, 2009
Generation
Radeon R700
(HD 4700)
Predecessor
Radeon R600
Successor
Evergreen
Production
End-of-life
Bus Interface
PCIe 2.0 x16

Clock Speeds

GPU Clock
750 MHz
Memory Clock
800 MHz
3.2 Gbps effective

Memory

Memory Size
512 MB
Memory Type
GDDR5
Memory Bus
128 bit
Bandwidth
51.20 GB/s

Render Config

Shading Units
640
TMUs
32
ROPs
16
Compute Units
8
L1 Cache
16 KB (per CU)
L2 Cache
128 KB

Theoretical Performance

Pixel Rate
12.00 GPixel/s
Texture Rate
24.00 GTexel/s
FP32 (float)
960.0 GFLOPS
FP64 (double)
192.0 GFLOPS (1:5)

Board Design

Slot Width
Dual-slot
Single-slot
TDP
80 W
Suggested PSU
250 W
Outputs
2x DVI
1x S-Video
1x DVI
1x HDMI 1.3a
1x VGA
Power Connectors
1x 6-pin
Board Number
B743

Graphics Features

DirectX
10.1 (10_1)
OpenGL
3.3
OpenCL
1.1
Vulkan
N/A
Shader Model
4.1

RV740 GPU Notes

Mobile Variant: M97
Codename: Walden
Graphics/Compute: GFX3
Display Core Engine: 3.2
Unified Video Decoder: 2.2

Other retail boards based on this design (1)

Name GPU Clock Memory Clock Other Changes
ASUS HD 4770 Formula
750 MHz 800 MHz Single-slot, 1x DVI 1x HDMI 1x VGA
Apr 18th, 2024 19:50 EDT change timezone

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