AMD Radeon HD 7950 Boost vs NVIDIA GeForce GT 420 OEM

VS

AMD Radeon HD 7950 Boost NVIDIA GeForce GT 420 OEM

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 Boost and 1024MB VRAM GeForce GT 420 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950 Boost 's Advantages

Released 1 years and 9 months late

Boost Clock925MHz

More VRAM (3GB vs 1GB)

Larger VRAM bandwidth (240.0GB/s vs 28.80GB/s)

1744 additional rendering cores

NVIDIA GeForce GT 420 OEM 's Advantages

Lower TDP (50W vs 200W)

Score

Benchmark

FP32 (float)

Radeon HD 7950 Boost +2373%

3.315 TFLOPS

GeForce GT 420 OEM

0.134 TFLOPS

Radeon HD 7950 Boost

VS

GeForce GT 420 OEM

Graphics Card

Jun 2012

Release Date

Sep 2010

Southern Islands

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

850 MHz

Base Clock

-

925 MHz

Boost Clock

-

1250 MHz

Memory Clock

900 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

384bit

Memory Bus

128bit

240.0GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

1

28

Compute Units

-

1792

Shading Units

48

112

TMUs

4

32

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

768 KB

L2 Cache

256 KB

Theoretical Performance

29.60 GPixel/s

Pixel Rate

1.400 GPixel/s

103.6 GTexel/s

Texture Rate

2.800 GTexel/s

-

FP16 (half)

-

3.315 TFLOPS

FP32 (float)

134.4 GFLOPS

828.8 GFLOPS

FP64 (double)

11.20 GFLOPS

Graphics Processor

Tahiti

GPU Name

GF108

Tahiti PRO2 (215-0821282)

GPU Variant

GF108-200-A1

GCN 1.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

4.313 billion

Transistors

0.585 billion

352 mm²

Die Size

116 mm²

Board Design

200W

TDP

50W

550 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 6-pin

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.1

5.1

Shader Model

5.1

Related GPU Comparisons

1

AMD Radeon HD 7950 Boost vs ATI Radeon X1700 SE

2

AMD Radeon HD 7950 Boost vs AMD Radeon R9 380

3

AMD Radeon HD 7950 Boost vs AMD FirePro S10000

4

AMD Radeon HD 7950 Boost vs NVIDIA GeForce RTX 4060 Ti 8 GB

5

AMD Radeon HD 7950 Boost vs NVIDIA T400

6

AMD Radeon HD 7950 Boost vs NVIDIA GeForce GT 630 Rev. 2

7

AMD Radeon HD 7950 Boost vs ATI Radeon HD 3850 X2

8

AMD Radeon HD 7950 Boost vs AMD Radeon R5 435 OEM

9

AMD Radeon HD 7950 Boost vs AMD Radeon Pro Duo

10

AMD Radeon HD 7950 Boost vs AMD Radeon Pro V7300X

Related News

1

AMD Ryzen 9000X3D Series to Feature Fully Unlocked Overclocking; DDR5-6400: The 'Sweet Spot' for Zen 5 Memory Speeds

2

Intel Z890 Motherboard Specs Leaked: Farewell to DDR4 Memory

3

AMD Ryzen 9000 Series Now Available for Pre-order in Europe: 9950X Priced at €660, Shipping by August 2

4

AMD's Latest Breakthrough Technology Could Change the Game in the Future

5

Researchers Utilize NVIDIA Omniverse Platform to Analyze and Improve 3D Stacked Chip Designs

6

TSMC to Receive Over 60 EUV Lithography Machines Over the Next Two Years, Investing More Than $12.3 Billion

7

Samsung's Own 3nm Yield is Disheartening: Galaxy S25 May Introduce MediaTek for the First Time

8

AMD Ryzen 9000 DDR5 Memory Frequency Soars: Reaches 8000MHz with All Four Slots Occupied

9

Snapdragon 8 Gen 4 to Feature Frame Interpolation for GPU: A Game-Changing Experience

10

Intel Adds 5 New Device IDs to Latest Linux Xe Kernel in Preparation for Battlemage