ATI Radeon HD 3470 vs AMD Radeon R9 255 OEM

VS

ATI Radeon HD 3470 AMD Radeon R9 255 OEM

We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 3470 and 2GB VRAM Radeon R9 255 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3470 's Advantages

Lower TDP (30W vs 65W)

AMD Radeon R9 255 OEM 's Advantages

Released 5 years and 11 months late

Boost Clock930MHz

Larger VRAM bandwidth (73.60GB/s vs 15.20GB/s)

472 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3470

0.064 TFLOPS

Radeon R9 255 OEM +1387%

0.952 TFLOPS

Radeon HD 3470

VS

Radeon R9 255 OEM

Graphics Card

Jan 2008

Release Date

Dec 2013

Radeon R600

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

930 MHz

950 MHz

Memory Clock

1150 MHz

Memory

256MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

15.20GB/s

Bandwidth

73.60GB/s

Render Config

-

SM Count

-

2

Compute Units

8

40

Shading Units

512

4

TMUs

32

4

ROPs

16

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per CU)

64 KB

L2 Cache

256 KB

Theoretical Performance

3.200 GPixel/s

Pixel Rate

14.88 GPixel/s

3.200 GTexel/s

Texture Rate

29.76 GTexel/s

-

FP16 (half)

-

64.00 GFLOPS

FP32 (float)

952.3 GFLOPS

-

FP64 (double)

59.52 GFLOPS

Graphics Processor

RV620

GPU Name

Cape Verde

RV620 PRO (215-0670006)

GPU Variant

Cape Verde PRX

TeraScale

Architecture

GCN 1.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.181 billion

Transistors

1.5 billion

67 mm²

Die Size

123 mm²

Board Design

30W

TDP

65W

200 W

Suggested PSU

250 W

1x DVI 1x VGA 1x S-Video

Outputs

No outputs

None

Power Connectors

1x 6-pin

Graphics Features

10.1 (10_1)

DirectX

12 (11_1)

3.3

OpenGL

4.6

N/A

OpenCL

1.2

N/A

Vulkan

1.2

-

CUDA

-

4.1

Shader Model

5.1

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