AMD Radeon HD 7970 X2 vs NVIDIA GeForce GT 420 OEM

VS

AMD Radeon HD 7970 X2 NVIDIA GeForce GT 420 OEM

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 X2 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 7970 X2 's Advantages

Released 1 years and 11 months late

More VRAM (3GB vs 1GB)

Larger VRAM bandwidth (264.0GB/s vs 28.80GB/s)

2000 additional rendering cores

NVIDIA GeForce GT 420 OEM 's Advantages

Lower TDP (50W vs 500W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 X2 +2727%

3.789 TFLOPS

GeForce GT 420 OEM

0.134 TFLOPS

Radeon HD 7970 X2

VS

GeForce GT 420 OEM

Graphics Card

Aug 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

-

Base Clock

-

Boost Clock

-

1375 MHz

Memory Clock

900 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

384bit

Memory Bus

128bit

264.0GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

1

32

Compute Units

-

2048

Shading Units

48

128

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

118.4 GTexel/s

Texture Rate

2.800 GTexel/s

-

FP16 (half)

-

3.789 TFLOPS

FP32 (float)

134.4 GFLOPS

947.2 GFLOPS

FP64 (double)

11.20 GFLOPS

Graphics Processor

New Zealand

GPU Name

GF108

-

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

500W

TDP

50W

900 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

3x 8-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

ATI Radeon HD 5950 vs AMD Radeon HD 7970 X2

2

NVIDIA GeForce 9300 GS vs AMD Radeon HD 7970 X2

3

NVIDIA GeForce RTX 4060 vs AMD Radeon HD 7970 X2

4

NVIDIA GeForce RTX 4090D vs AMD Radeon HD 7970 X2

5

NVIDIA GeForce 8500 GT vs AMD Radeon HD 7970 X2

6

NVIDIA GeForce GTX 560 vs AMD Radeon HD 7970 X2

7

AMD Radeon HD 7970 X2 vs ATI Radeon HD 2900 GT

8

AMD Radeon HD 7970 X2 vs AMD Radeon HD 8450 OEM

9

AMD Radeon HD 7970 X2 vs NVIDIA GeForce RTX 4080 Ti

10

AMD Radeon HD 7970 X2 vs NVIDIA GeForce GTX 760