AMD Radeon HD 7990 vs ATI Radeon X1950 GT AGP

VS

AMD Radeon HD 7990

ATI Radeon X1950 GT AGP

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7990 and 256MB VRAM Radeon X1950 GT AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7990 's Advantages

Released 6 years and 2 months late

Boost Clock1000MHz

More VRAM (3GB vs 256GB)

Larger VRAM bandwidth (288.0GB/s vs 38.40GB/s)

2048 additional rendering cores

ATI Radeon X1950 GT AGP 's Advantages

Lower TDP (57W vs 375W)

Score

Radeon HD 7990

VS

Radeon X1950 GT AGP

Graphics Card

Apr 2013

Release Date

Feb 2007

Southern Islands

Generation

Radeon R500 AGP

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

AGP 8x

Clock Speeds

950 MHz

Base Clock

-

1000 MHz

Boost Clock

-

1500 MHz

Memory Clock

600 MHz

Memory

3GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

256bit

288.0GB/s

Bandwidth

38.40GB/s

Render Config

32

Compute Units

-

2048

Shading Units

-

128

TMUs

12

32

ROPs

12

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

6.000 GPixel/s

128.0 GTexel/s

Texture Rate

6.000 GTexel/s

-

4.096 TFLOPS

FP32 (float)

-

1024 GFLOPS

FP64 (double)

-

Board Design

375W

TDP

57W

750 W

Suggested PSU

250 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

2x DVI 1x S-Video

2x 8-pin

Power Connectors

2x Molex

Graphics Processor

Malta

GPU Name

RV570

Malta XT (215-0849026)

GPU Variant

RV570 XL

GCN 1.0

Architecture

R500

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

4.313 billion

Transistors

0.33 billion

365 mm²

Die Size

230 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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