AMD Radeon R7 450 OEM vs ATI Radeon HD 4770

VS

AMD Radeon R7 450 OEM

ATI Radeon HD 4770

We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 450 OEM and 512MB VRAM Radeon HD 4770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 450 OEM 's Advantages

Released 7 years and 2 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (72.00GB/s vs 51.20GB/s)

Lower TDP (65W vs 80W)

ATI Radeon HD 4770 's Advantages

128 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 450 OEM

0.947 TFLOPS

Radeon HD 4770 +1%

0.96 TFLOPS

Radeon R7 450 OEM

VS

Radeon HD 4770

Graphics Card

Jun 2016

Release Date

Apr 2009

Arctic Islands

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1125 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

72.00GB/s

Bandwidth

51.20GB/s

Render Config

8

Compute Units

8

-

512

Shading Units

640

32

TMUs

32

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

14.80 GPixel/s

Pixel Rate

12.00 GPixel/s

29.60 GTexel/s

Texture Rate

24.00 GTexel/s

-

947.2 GFLOPS

FP32 (float)

960.0 GFLOPS

59.20 GFLOPS

FP64 (double)

192.0 GFLOPS

Board Design

65W

TDP

80W

250 W

Suggested PSU

250 W

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

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 6-pin

Graphics Processor

Cape Verde

GPU Name

RV740

Cape Verde PRO2

GPU Variant

RV740 XT (215-0727019)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.5 billion

Transistors

0.826 billion

123 mm²

Die Size

137 mm²

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1 (1.2)

OpenCL

1.1

1.2.170

Vulkan

N/A

-

6.5 (5.1)

Shader Model

4.1

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