Home GPU Comparison NVIDIA GeForce 9400 GT PCI vs AMD Radeon R9 270X

NVIDIA GeForce 9400 GT PCI vs AMD Radeon R9 270X

We compared two Desktop platform GPUs: 256MB VRAM GeForce 9400 GT PCI and 2GB VRAM Radeon R9 270X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 9400 GT PCI 's Advantages
Lower TDP (50W vs 180W)
AMD Radeon R9 270X 's Advantages
Released 5 years and 2 months late
Boost Clock1050MHz
More VRAM (2GB vs 256GB)
Larger VRAM bandwidth (179.2GB/s vs 12.80GB/s)
1264 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce 9400 GT PCI
0.045 TFLOPS
Radeon R9 270X +5873%
2.688 TFLOPS
VS

Graphics Card

Aug 2008
Release Date
Oct 2013
GeForce 9
Generation
Volcanic Islands
Desktop
Type
Desktop
PCI
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
Base Clock
1000 MHz
-
Boost Clock
1050 MHz
400 MHz
Memory Clock
1400 MHz

Memory

256MB
Memory Size
2GB
DDR2
Memory Type
GDDR5
128bit
Memory Bus
256bit
12.80GB/s
Bandwidth
179.2GB/s

Render Config

-
Compute Units
20
2
SM Count
-
16
Shading Units
1280
8
TMUs
80
4
ROPs
32
-
-
-
-
-
-
-
L1 Cache
16 KB (per CU)
32 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

2.200 GPixel/s
Pixel Rate
33.60 GPixel/s
4.400 GTexel/s
Texture Rate
84.00 GTexel/s
-
-
-
44.80 GFLOPS
FP32 (float)
2.688 TFLOPS
-
FP64 (double)
168.0 GFLOPS

Board Design

50W
TDP
180W
250 W
Suggested PSU
450 W
1x DVI 1x VGA 1x S-Video
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
None
Power Connectors
2x 6-pin

Graphics Processor

G96C
GPU Name
Curacao
-
GPU Variant
Curacao XT (215-0848004)
Tesla
Architecture
GCN 1.0
TSMC
Foundry
TSMC
55 nm
Process Size
28 nm
0.314 billion
Transistors
2.8 billion
121 mm²
Die Size
212 mm²

Graphics Features

11.1 (10_0)
DirectX
12 (11_1)
3.3
OpenGL
4.6
1.1
OpenCL
1.2
N/A
Vulkan
1.2
1.1
CUDA
-
4.0
Shader Model
5.1

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