ATI Radeon HD 4670 vs AMD Radeon HD 8950 OEM

VS

ATI Radeon HD 4670

AMD Radeon HD 8950 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4670 and 3GB VRAM Radeon HD 8950 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4670 's Advantages

Lower TDP (59W vs 200W)

AMD Radeon HD 8950 OEM 's Advantages

Released 4 years and 4 months late

Boost Clock925MHz

More VRAM (3GB vs 512GB)

Larger VRAM bandwidth (240.0GB/s vs 32.00GB/s)

1472 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 4670

0.48 TFLOPS

Radeon HD 8950 OEM +590%

3.315 TFLOPS

Radeon HD 4670

VS

Radeon HD 8950 OEM

Graphics Card

Sep 2008

Release Date

Jan 2013

Radeon R700

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

850 MHz

-

Boost Clock

925 MHz

1000 MHz

Memory Clock

1250 MHz

Memory

512MB

Memory Size

3GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

384bit

32.00GB/s

Bandwidth

240.0GB/s

Render Config

4

Compute Units

28

-

320

Shading Units

1792

32

TMUs

112

8

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

768 KB

-

Theoretical Performance

6.000 GPixel/s

Pixel Rate

29.60 GPixel/s

24.00 GTexel/s

Texture Rate

103.6 GTexel/s

-

480.0 GFLOPS

FP32 (float)

3.315 TFLOPS

-

FP64 (double)

828.8 GFLOPS

Board Design

59W

TDP

200W

250 W

Suggested PSU

550 W

2x DVI 1x S-Video

Outputs

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

None

Power Connectors

2x 6-pin

Graphics Processor

RV730

GPU Name

Tahiti

RV730 XT (215-0719047)

GPU Variant

Tahiti PRO (215-0821056)

TeraScale

Architecture

GCN 1.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.514 billion

Transistors

4.313 billion

146 mm²

Die Size

352 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_1)

3.3

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

-

4.1

Shader Model

5.1

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