Radeon R9 280 vs GeForce GT 620
We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280 and 1024MB VRAM GeForce GT 620 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon R9 280 's Advantages
Released 1 years and 10 months late
Boost Clock933MHz
More VRAM (3GB vs 1024GB)
Larger VRAM bandwidth (240.0GB/s vs 14.40GB/s)
1696 additional rendering cores
GeForce GT 620 's Advantages
Lower TDP (49W vs 200W)
Score
Benchmark
FP32 (float)
Radeon R9 280
+1143%
3344
GeForce GT 620
269
3DMark Time Spy
Radeon R9 280
+2060%
2009
GeForce GT 620
93
Graphics Card
Mar 2014
Release Date
May 2012
Volcanic Islands
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
827 MHz
Base Clock
-
933 MHz
Boost Clock
-
1250 MHz
Memory Clock
900 MHz
Memory
3GB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
384bit
Memory Bus
64bit
240.0GB/s
Bandwidth
14.40GB/s
Render Config
28
Compute Units
-
-
SM Count
2
1792
Shading Units
96
112
TMUs
16
32
ROPs
4
16 KB (per CU)
L1 Cache
64 KB (per SM)
768 KB
L2 Cache
128 KB
Theoretical Performance
29.86 GPixel/s
Pixel Rate
2.800 GPixel/s
104.5 GTexel/s
Texture Rate
11.20 GTexel/s
3.344 TFLOPS
FP32 (float)
268.8 GFLOPS
836.0 GFLOPS
FP64 (double)
22.40 GFLOPS
Board Design
200W
TDP
49W
550 W
Suggested PSU
200 W
1x DVI
2x 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 PRO3
(215-0821330)
GPU Variant
GF108-100-KB-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
