AMD Radeon 550X 640SP vs NVIDIA GeForce 7950 GT AGP

VS

AMD Radeon 550X 640SP

NVIDIA GeForce 7950 GT AGP

We compared two Desktop platform GPUs: 4GB VRAM Radeon 550X 640SP and 512MB VRAM GeForce 7950 GT AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 550X 640SP 's Advantages

Released 11 years late

Boost Clock1071MHz

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (48.00GB/s vs 38.40GB/s)

640 additional rendering cores

Lower TDP (50W vs 65W)

Score

Radeon 550X 640SP

VS

GeForce 7950 GT AGP

Graphics Card

Apr 2018

Release Date

Apr 2007

Polaris

Generation

GeForce 7 AGP

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

AGP 8x

Clock Speeds

1019 MHz

Base Clock

-

1071 MHz

Boost Clock

-

1500 MHz

Memory Clock

600 MHz

Memory

4GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

64bit

Memory Bus

256bit

48.00GB/s

Bandwidth

38.40GB/s

Render Config

10

Compute Units

-

640

Shading Units

-

40

TMUs

24

16

ROPs

16

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

-

Theoretical Performance

17.14 GPixel/s

Pixel Rate

8.000 GPixel/s

42.84 GTexel/s

Texture Rate

12.00 GTexel/s

1371 GFLOPS

FP16 (half)

-

1371 GFLOPS

FP32 (float)

-

85.68 GFLOPS

FP64 (double)

-

Board Design

50W

TDP

65W

250 W

Suggested PSU

250 W

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x Molex

Graphics Processor

Lexa

GPU Name

G71

Lexa PRO (215-0904018)

GPU Variant

G71-GT2-H-N-A2

GCN 4.0

Architecture

Curie

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

90 nm

2.2 billion

Transistors

0.278 billion

103 mm²

Die Size

196 mm²

Graphics Features

12 (12_0)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1

OpenCL

N/A

1.2

Vulkan

N/A

-

6.4

Shader Model

3.0

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