AMD Radeon R9 280X vs NVIDIA GeForce GT 420 OEM
We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280X 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 280X 's Advantages
Released 3 years and 1 months late
Boost Clock1000MHz
More VRAM (3GB vs 1024GB)
Larger VRAM bandwidth (288.0GB/s vs 28.80GB/s)
2000 additional rendering cores
NVIDIA GeForce GT 420 OEM 's Advantages
Lower TDP (50W vs 250W)
Score
Benchmark
FP32 (float)
Radeon R9 280X
+2956%
4.096 TFLOPS
GeForce GT 420 OEM
0.134 TFLOPS
Graphics Card
Oct 2013
Release Date
Sep 2010
Volcanic Islands
Generation
GeForce 400
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
850 MHz
Base Clock
-
1000 MHz
Boost Clock
-
1500 MHz
Memory Clock
900 MHz
Memory
3GB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
384bit
Memory Bus
128bit
288.0GB/s
Bandwidth
28.80GB/s
Render Config
32
Compute Units
-
-
SM Count
1
2048
Shading Units
48
128
TMUs
4
32
ROPs
4
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
64 KB (per SM)
768 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
32.00 GPixel/s
Pixel Rate
1.400 GPixel/s
128.0 GTexel/s
Texture Rate
2.800 GTexel/s
-
-
-
4.096 TFLOPS
FP32 (float)
134.4 GFLOPS
1024 GFLOPS
FP64 (double)
11.20 GFLOPS
Board Design
250W
TDP
50W
600 W
Suggested PSU
250 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
1x DVI
1x HDMI 1.3a
1x VGA
1x 6-pin + 1x 8-pin
Power Connectors
None
Graphics Processor
Tahiti
GPU Name
GF108
Tahiti XTL
(215-0821065)
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
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
