AMD Radeon R9 270 vs ATI Radeon HD 3450 PCI

VS

AMD Radeon R9 270 ATI Radeon HD 3450 PCI

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270 and 512MB VRAM Radeon HD 3450 PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 270 's Advantages

Released 5 years and 10 months late

Boost Clock925MHz

Larger VRAM bandwidth (179.2GB/s vs 6.400GB/s)

1240 additional rendering cores

ATI Radeon HD 3450 PCI 's Advantages

Lower TDP (25W vs 150W)

Score

Benchmark

FP32 (float)

Radeon R9 270 +4833%

2.368 TFLOPS

Radeon HD 3450 PCI

0.048 TFLOPS

Radeon R9 270

VS

Radeon HD 3450 PCI

Graphics Card

Nov 2013

Release Date

Jan 2008

Volcanic Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCI

Clock Speeds

900 MHz

Base Clock

-

925 MHz

Boost Clock

-

1400 MHz

Memory Clock

400 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

64bit

179.2GB/s

Bandwidth

6.400GB/s

Render Config

-

SM Count

-

20

Compute Units

2

1280

Shading Units

40

80

TMUs

4

32

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

64 KB

Theoretical Performance

29.60 GPixel/s

Pixel Rate

2.400 GPixel/s

74.00 GTexel/s

Texture Rate

2.400 GTexel/s

-

FP16 (half)

-

2.368 TFLOPS

FP32 (float)

48.00 GFLOPS

148.0 GFLOPS

FP64 (double)

-

Graphics Processor

Curacao

GPU Name

RV620

Curacao PRO (215-0848000)

GPU Variant

RV620 LE

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

2.8 billion

Transistors

0.181 billion

212 mm²

Die Size

67 mm²

Board Design

150W

TDP

25W

450 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x S-Video

1x 6-pin

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

CUDA

-

5.1

Shader Model

4.1

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