ATI Radeon X1950 GT vs AMD Radeon HD 6390

VS

ATI Radeon X1950 GT

AMD Radeon HD 6390

We compared two Desktop platform GPUs: 256MB VRAM Radeon X1950 GT and 1024MB VRAM Radeon HD 6390 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon X1950 GT 's Advantages

Larger VRAM bandwidth (38.40GB/s vs 16.00GB/s)

AMD Radeon HD 6390 's Advantages

Released 4 years and 6 months late

More VRAM (1024GB vs 256GB)

320 additional rendering cores

Lower TDP (39W vs 57W)

Score

Radeon X1950 GT

VS

Radeon HD 6390

Graphics Card

Jan 2007

Release Date

Jul 2011

Radeon R500 PCIe

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

600 MHz

Memory Clock

500 MHz

Memory

256MB

Memory Size

1024MB

GDDR3

Memory Type

DDR2

256bit

Memory Bus

128bit

38.40GB/s

Bandwidth

16.00GB/s

Render Config

-

Compute Units

4

-

Shading Units

320

12

TMUs

16

12

ROPs

8

-

L1 Cache

8 KB (per CU)

-

L2 Cache

256 KB

-

Theoretical Performance

6.000 GPixel/s

Pixel Rate

4.400 GPixel/s

6.000 GTexel/s

Texture Rate

8.800 GTexel/s

-

FP32 (float)

352.0 GFLOPS

-

Board Design

57W

TDP

39W

250 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin

Power Connectors

None

Graphics Processor

RV570

GPU Name

Redwood

RV570 XL

GPU Variant

Redwood LE

R500

Architecture

TeraScale 2

TSMC

Foundry

TSMC

80 nm

Process Size

40 nm

0.33 billion

Transistors

0.627 billion

230 mm²

Die Size

104 mm²

Graphics Features

9.0c (9_3)

DirectX

11.2 (11_0)

2.1 (full) 3.0 (partial)

OpenGL

4.4

N/A

OpenCL

1.2

N/A

Vulkan

N/A

-

3.0

Shader Model

5.0

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