AMD Radeon R9 285X vs ATI Radeon HD 3450 X2

VS

AMD Radeon R9 285X ATI Radeon HD 3450 X2

We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 285X and 512MB VRAM Radeon HD 3450 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 285X 's Advantages

Larger VRAM bandwidth (264.0GB/s vs 8.000GB/s)

2008 additional rendering cores

ATI Radeon HD 3450 X2 's Advantages

Lower TDP (50W vs 200W)

Score

Benchmark

FP32 (float)

Radeon R9 285X +8450%

4.104 TFLOPS

Radeon HD 3450 X2

0.048 TFLOPS

Radeon R9 285X

VS

Radeon HD 3450 X2

Graphics Card

Unknown

Release Date

Dec 2007

Volcanic Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1375 MHz

Memory Clock

500 MHz

Memory

3GB

Memory Size

512MB

GDDR5

Memory Type

DDR2

384bit

Memory Bus

64bit

264.0GB/s

Bandwidth

8.000GB/s

Render Config

-

SM Count

-

32

Compute Units

2

2048

Shading Units

40

128

TMUs

4

32

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

64 KB

Theoretical Performance

32.06 GPixel/s

Pixel Rate

2.400 GPixel/s

128.3 GTexel/s

Texture Rate

2.400 GTexel/s

-

FP16 (half)

-

4.104 TFLOPS

FP32 (float)

48.00 GFLOPS

-

FP64 (double)

-

Graphics Processor

Tonga

GPU Name

RV620

Tonga XT (215-0851313)

GPU Variant

RV620 LE

GCN 3.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

5 billion

Transistors

0.181 billion

366 mm²

Die Size

67 mm²

Board Design

200W

TDP

50W

550 W

Suggested PSU

250 W

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

Outputs

2x DMS-59

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.0

OpenCL

N/A

1.2

Vulkan

N/A

-

CUDA

-

6.3

Shader Model

4.1

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