AMD Radeon R9 295X2 vs ATI Radeon HD 3450

VS

AMD Radeon R9 295X2

ATI Radeon HD 3450

We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 295X2 and 256MB VRAM Radeon HD 3450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 295X2 's Advantages

Released 6 years and 4 months late

More VRAM (4GB vs 256GB)

Larger VRAM bandwidth (320.0GB/s vs 8.000GB/s)

2776 additional rendering cores

ATI Radeon HD 3450 's Advantages

Lower TDP (25W vs 500W)

Score

Benchmark

FP32 (float)

Radeon R9 295X2 +11843%

5.733 TFLOPS

Radeon HD 3450

0.048 TFLOPS

Radeon R9 295X2

VS

Radeon HD 3450

Graphics Card

Apr 2014

Release Date

Dec 2007

Volcanic Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

500 MHz

Memory

4GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

512bit

Memory Bus

64bit

320.0GB/s

Bandwidth

8.000GB/s

Render Config

44

Compute Units

2

-

2816

Shading Units

40

176

TMUs

4

64

ROPs

4

-

16 KB (per CU)

L1 Cache

-

1024 KB

L2 Cache

64 KB

-

Theoretical Performance

65.15 GPixel/s

Pixel Rate

2.400 GPixel/s

179.2 GTexel/s

Texture Rate

2.400 GTexel/s

-

5.733 TFLOPS

FP32 (float)

48.00 GFLOPS

716.7 GFLOPS

FP64 (double)

-

Board Design

500W

TDP

25W

900 W

Suggested PSU

200 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

1x DVI 1x VGA 1x S-Video

2x 8-pin

Power Connectors

None

Graphics Processor

Vesuvius

GPU Name

RV620

Vesuvius XT (215-0852022)

GPU Variant

RV620 LE

GCN 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

6.2 billion

Transistors

0.181 billion

438 mm²

Die Size

67 mm²

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

-

6.3

Shader Model

4.1

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