AMD Radeon HD 8990 OEM vs ATI Radeon HD 3450 X2

VS

AMD Radeon HD 8990 OEM

ATI Radeon HD 3450 X2

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 8990 OEM 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 HD 8990 OEM 's Advantages

Released 5 years and 4 months late

Boost Clock1000MHz

More VRAM (3GB vs 512GB)

Larger VRAM bandwidth (288.0GB/s vs 8.000GB/s)

2008 additional rendering cores

ATI Radeon HD 3450 X2 's Advantages

Lower TDP (50W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 8990 OEM +8433%

4.096 TFLOPS

Radeon HD 3450 X2

0.048 TFLOPS

Radeon HD 8990 OEM

VS

Radeon HD 3450 X2

Graphics Card

Apr 2013

Release Date

Dec 2007

Sea Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

950 MHz

Base Clock

-

1000 MHz

Boost Clock

-

1500 MHz

Memory Clock

500 MHz

Memory

3GB

Memory Size

512MB

GDDR5

Memory Type

DDR2

384bit

Memory Bus

64bit

288.0GB/s

Bandwidth

8.000GB/s

Render Config

32

Compute Units

2

-

2048

Shading Units

40

128

TMUs

4

32

ROPs

4

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

64 KB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

2.400 GPixel/s

128.0 GTexel/s

Texture Rate

2.400 GTexel/s

-

4.096 TFLOPS

FP32 (float)

48.00 GFLOPS

1024 GFLOPS

FP64 (double)

-

Board Design

375W

TDP

50W

750 W

Suggested PSU

250 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

2x DMS-59

2x 8-pin

Power Connectors

None

Graphics Processor

Malta

GPU Name

RV620

Malta XT (215-0849026)

GPU Variant

RV620 LE

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

4.313 billion

Transistors

0.181 billion

365 mm²

Die Size

67 mm²

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

-

5.1

Shader Model

4.1

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