AMD Radeon HD 8870 OEM vs ATI Radeon X1950 XTX Uber Edition

VS

AMD Radeon HD 8870 OEM ATI Radeon X1950 XTX Uber Edition

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 8870 OEM and 512MB VRAM Radeon X1950 XTX Uber Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8870 OEM 's Advantages

Released 6 years late

Larger VRAM bandwidth (153.6GB/s vs 67.20GB/s)

1280 additional rendering cores

ATI Radeon X1950 XTX Uber Edition 's Advantages

Lower TDP (125W vs 175W)

Score

Radeon HD 8870 OEM

VS

Radeon X1950 XTX Uber Edition

Graphics Card

Jan 2013

Release Date

Jan 2007

Sea Islands

Generation

Radeon R500 PCIe

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1200 MHz

Memory Clock

1050 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR4

256bit

Memory Bus

256bit

153.6GB/s

Bandwidth

67.20GB/s

Render Config

-

SM Count

-

20

Compute Units

-

1280

Shading Units

-

80

TMUs

16

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

10.72 GPixel/s

80.00 GTexel/s

Texture Rate

10.72 GTexel/s

-

FP16 (half)

-

2.560 TFLOPS

FP32 (float)

-

160.0 GFLOPS

FP64 (double)

-

Graphics Processor

Pitcairn

GPU Name

R580+

Pitcairn XT (215-0828047)

GPU Variant

R580+ XT (215BAABKA31FG)

GCN 1.0

Architecture

R500

TSMC

Foundry

TSMC

28 nm

Process Size

90 nm

2.8 billion

Transistors

0.384 billion

212 mm²

Die Size

352 mm²

Board Design

175W

TDP

125W

450 W

Suggested PSU

300 W

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

Outputs

1x DVI 1x VHDCI

2x 6-pin

Power Connectors

1x 6-pin

Graphics Features

12 (11_1)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1 (full) 3.0 (partial)

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

CUDA

-

5.1

Shader Model

3.0

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