AMD Radeon HD 8950 OEM vs ATI Radeon HD 3450 PCI

VS

AMD Radeon HD 8950 OEM

ATI Radeon HD 3450 PCI

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 8950 OEM 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 HD 8950 OEM 's Advantages

Released 5 years late

Boost Clock925MHz

More VRAM (3GB vs 512GB)

Larger VRAM bandwidth (240.0GB/s vs 6.400GB/s)

1752 additional rendering cores

ATI Radeon HD 3450 PCI 's Advantages

Lower TDP (25W vs 200W)

Score

Benchmark

FP32 (float)

Radeon HD 8950 OEM +6806%

3.315 TFLOPS

Radeon HD 3450 PCI

0.048 TFLOPS

Radeon HD 8950 OEM

VS

Radeon HD 3450 PCI

Graphics Card

Jan 2013

Release Date

Jan 2008

Sea Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCI

Clock Speeds

850 MHz

Base Clock

-

925 MHz

Boost Clock

-

1250 MHz

Memory Clock

400 MHz

Memory

3GB

Memory Size

512MB

GDDR5

Memory Type

DDR2

384bit

Memory Bus

64bit

240.0GB/s

Bandwidth

6.400GB/s

Render Config

28

Compute Units

2

-

1792

Shading Units

40

112

TMUs

4

32

ROPs

4

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

64 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

2.400 GPixel/s

103.6 GTexel/s

Texture Rate

2.400 GTexel/s

-

3.315 TFLOPS

FP32 (float)

48.00 GFLOPS

828.8 GFLOPS

FP64 (double)

-

Board Design

200W

TDP

25W

550 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x S-Video

2x 6-pin

Power Connectors

None

Graphics Processor

Tahiti

GPU Name

RV620

Tahiti PRO (215-0821056)

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

352 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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