AMD Radeon HD 8950 OEM vs ATI Radeon HD 4670

VS

AMD Radeon HD 8950 OEM ATI Radeon HD 4670

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 8950 OEM and 512MB VRAM Radeon HD 4670 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 4 years and 4 months late

Boost Clock925MHz

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

1472 additional rendering cores

ATI Radeon HD 4670 's Advantages

Lower TDP (59W vs 200W)

Score

Benchmark

FP32 (float)

Radeon HD 8950 OEM +590%

3.315 TFLOPS

Radeon HD 4670

0.48 TFLOPS

Radeon HD 8950 OEM

VS

Radeon HD 4670

Graphics Card

Jan 2013

Release Date

Sep 2008

Sea Islands

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

850 MHz

Base Clock

-

925 MHz

Boost Clock

-

1250 MHz

Memory Clock

1000 MHz

Memory

3GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

128bit

240.0GB/s

Bandwidth

32.00GB/s

Render Config

-

SM Count

-

28

Compute Units

4

1792

Shading Units

320

112

TMUs

32

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

128 KB

Theoretical Performance

29.60 GPixel/s

Pixel Rate

6.000 GPixel/s

103.6 GTexel/s

Texture Rate

24.00 GTexel/s

-

FP16 (half)

-

3.315 TFLOPS

FP32 (float)

480.0 GFLOPS

828.8 GFLOPS

FP64 (double)

-

Graphics Processor

Tahiti

GPU Name

RV730

Tahiti PRO (215-0821056)

GPU Variant

RV730 XT (215-0719047)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

4.313 billion

Transistors

0.514 billion

352 mm²

Die Size

146 mm²

Board Design

200W

TDP

59W

550 W

Suggested PSU

250 W

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

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

-

5.1

Shader Model

4.1

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