AMD Radeon R9 295X2 vs NVIDIA GeForce GT 420 OEM

VS

AMD Radeon R9 295X2

NVIDIA GeForce GT 420 OEM

We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 295X2 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 R9 295X2 's Advantages

Released 3 years and 7 months late

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (320.0GB/s vs 28.80GB/s)

2768 additional rendering cores

NVIDIA GeForce GT 420 OEM 's Advantages

Lower TDP (50W vs 500W)

Score

Benchmark

FP32 (float)

Radeon R9 295X2 +4178%

5.733 TFLOPS

GeForce GT 420 OEM

0.134 TFLOPS

Radeon R9 295X2

VS

GeForce GT 420 OEM

Graphics Card

Apr 2014

Release Date

Sep 2010

Volcanic Islands

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

512bit

Memory Bus

128bit

320.0GB/s

Bandwidth

28.80GB/s

Render Config

44

Compute Units

-

SM Count

1

2816

Shading Units

48

176

TMUs

4

64

ROPs

4

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

65.15 GPixel/s

Pixel Rate

1.400 GPixel/s

179.2 GTexel/s

Texture Rate

2.800 GTexel/s

-

5.733 TFLOPS

FP32 (float)

134.4 GFLOPS

716.7 GFLOPS

FP64 (double)

11.20 GFLOPS

Board Design

500W

TDP

50W

900 W

Suggested PSU

250 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 8-pin

Power Connectors

None

Graphics Processor

Vesuvius

GPU Name

GF108

Vesuvius XT (215-0852022)

GPU Variant

GF108-200-A1

GCN 2.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

6.2 billion

Transistors

0.585 billion

438 mm²

Die Size

116 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.0

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.1

6.3

Shader Model

5.1

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