AMD Radeon R9 295X2 vs NVIDIA GeForce 8400 GS PCI

VS

AMD Radeon R9 295X2

NVIDIA GeForce 8400 GS PCI

We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 295X2 and 512MB VRAM GeForce 8400 GS PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 295X2 's Advantages

Released 6 years and 4 months late

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (320.0GB/s vs 5.328GB/s)

2808 additional rendering cores

NVIDIA GeForce 8400 GS PCI 's Advantages

Lower TDP (25W vs 500W)

Score

Benchmark

FP32 (float)

Radeon R9 295X2 +25959%

5.733 TFLOPS

GeForce 8400 GS PCI

0.022 TFLOPS

Radeon R9 295X2

VS

GeForce 8400 GS PCI

Graphics Card

Apr 2014

Release Date

Dec 2007

Volcanic Islands

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCI

Clock Speeds

-

1250 MHz

Memory Clock

333 MHz

Memory

4GB

Memory Size

512MB

GDDR5

Memory Type

DDR2

512bit

Memory Bus

64bit

320.0GB/s

Bandwidth

5.328GB/s

Render Config

44

Compute Units

-

SM Count

1

2816

Shading Units

8

176

TMUs

4

64

ROPs

4

-

16 KB (per CU)

L1 Cache

-

1024 KB

L2 Cache

16 KB

-

Theoretical Performance

65.15 GPixel/s

Pixel Rate

2.268 GPixel/s

179.2 GTexel/s

Texture Rate

2.268 GTexel/s

-

5.733 TFLOPS

FP32 (float)

22.40 GFLOPS

716.7 GFLOPS

FP64 (double)

-

Board Design

500W

TDP

25W

900 W

Suggested PSU

200 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

1x S-Video 1x DMS-59

2x 8-pin

Power Connectors

None

Graphics Processor

Vesuvius

GPU Name

G98

Vesuvius XT (215-0852022)

GPU Variant

G98-400-U2

GCN 2.0

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

6.2 billion

Transistors

0.21 billion

438 mm²

Die Size

86 mm²

Graphics Features

12 (12_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

2.0

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

1.1

6.3

Shader Model

4.0

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