AMD Radeon HD 7870 XT vs ATI Radeon X1950 XTX Uber Edition

VS

AMD Radeon HD 7870 XT

ATI Radeon X1950 XTX Uber Edition

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 XT 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 7870 XT 's Advantages

Released 5 years and 10 months late

Boost Clock975MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (192.0GB/s vs 67.20GB/s)

1536 additional rendering cores

ATI Radeon X1950 XTX Uber Edition 's Advantages

Lower TDP (125W vs 185W)

Score

Radeon HD 7870 XT

VS

Radeon X1950 XTX Uber Edition

Graphics Card

Nov 2012

Release Date

Jan 2007

Southern Islands

Generation

Radeon R500 PCIe

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

925 MHz

Base Clock

-

975 MHz

Boost Clock

-

1500 MHz

Memory Clock

1050 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR4

256bit

Memory Bus

256bit

192.0GB/s

Bandwidth

67.20GB/s

Render Config

24

Compute Units

-

1536

Shading Units

-

96

TMUs

16

32

ROPs

16

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

-

Theoretical Performance

31.20 GPixel/s

Pixel Rate

10.72 GPixel/s

93.60 GTexel/s

Texture Rate

10.72 GTexel/s

-

2.995 TFLOPS

FP32 (float)

-

748.8 GFLOPS

FP64 (double)

-

Board Design

185W

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 Processor

Tahiti

GPU Name

R580+

Tahiti LE (215-0821122)

GPU Variant

R580+ XT (215BAABKA31FG)

GCN 1.0

Architecture

R500

TSMC

Foundry

TSMC

28 nm

Process Size

90 nm

4.313 billion

Transistors

0.384 billion

352 mm²

Die Size

352 mm²

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

-

5.1

Shader Model

3.0

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