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GPU Comparison
AMD Radeon R9 270X vs NVIDIA GeForce 8400 GS Rev. 2
AMD Radeon R9 270X vs NVIDIA GeForce 8400 GS Rev. 2
VS
AMD Radeon R9 270X
NVIDIA GeForce 8400 GS Rev. 2
We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270X and 512MB VRAM GeForce 8400 GS Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 270X 's Advantages
Released 5 years and 10 months late
Boost Clock1050MHz
Larger VRAM bandwidth (179.2GB/s vs 6.400GB/s)
1272 additional rendering cores
NVIDIA GeForce 8400 GS Rev. 2 's Advantages
Lower TDP (25W vs 180W)
Score
Benchmark
FP32 (float)
Radeon R9 270X
+12118%
2.688 TFLOPS
GeForce 8400 GS Rev. 2
0.022 TFLOPS
Radeon R9 270X
VS
GeForce 8400 GS Rev. 2
Graphics Card
Oct 2013
Release Date
Dec 2007
Volcanic Islands
Generation
GeForce 8
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1000 MHz
Base Clock
-
1050 MHz
Boost Clock
-
1400 MHz
Memory Clock
400 MHz
Memory
2GB
Memory Size
512MB
GDDR5
Memory Type
DDR2
256bit
Memory Bus
64bit
179.2GB/s
Bandwidth
6.400GB/s
Render Config
-
SM Count
1
20
Compute Units
-
1280
Shading Units
8
80
TMUs
4
32
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
-
512 KB
L2 Cache
16 KB
Theoretical Performance
33.60 GPixel/s
Pixel Rate
2.268 GPixel/s
84.00 GTexel/s
Texture Rate
2.268 GTexel/s
-
FP16 (half)
-
2.688 TFLOPS
FP32 (float)
22.40 GFLOPS
168.0 GFLOPS
FP64 (double)
-
Graphics Processor
Curacao
GPU Name
G98
Curacao XT (215-0848004)
GPU Variant
-
GCN 1.0
Architecture
Tesla
TSMC
Foundry
TSMC
28 nm
Process Size
65 nm
2.8 billion
Transistors
0.21 billion
212 mm²
Die Size
86 mm²
Board Design
180W
TDP
25W
450 W
Suggested PSU
200 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x DVI 1x VGA 1x S-Video
2x 6-pin
Power Connectors
None
Graphics Features
12 (11_1)
DirectX
11.1 (10_0)
4.6
OpenGL
3.3
1.2
OpenCL
1.1
1.2
Vulkan
N/A
-
CUDA
1.1
5.1
Shader Model
4.0
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