AMD Radeon R9 295X2 vs NVIDIA GeForce GT 620
We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 295X2 and 1024MB VRAM GeForce GT 620 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 295X2 's Advantages
Released 1 years and 11 months late
More VRAM (4GB vs 1024GB)
Larger VRAM bandwidth (320.0GB/s vs 14.40GB/s)
2720 additional rendering cores
NVIDIA GeForce GT 620 's Advantages
Lower TDP (49W vs 500W)
Score
Benchmark
FP32 (float)
Radeon R9 295X2
+2031%
5.733 TFLOPS
GeForce GT 620
0.269 TFLOPS
Graphics Card
Apr 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
-
-
-
-
-
-
1250 MHz
Memory Clock
900 MHz
Memory
4GB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
512bit
Memory Bus
64bit
320.0GB/s
Bandwidth
14.40GB/s
Render Config
44
Compute Units
-
-
SM Count
2
2816
Shading Units
96
176
TMUs
16
64
ROPs
4
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
64 KB (per SM)
1024 KB
L2 Cache
128 KB
-
-
-
Theoretical Performance
65.15 GPixel/s
Pixel Rate
2.800 GPixel/s
179.2 GTexel/s
Texture Rate
11.20 GTexel/s
-
-
-
5.733 TFLOPS
FP32 (float)
268.8 GFLOPS
716.7 GFLOPS
FP64 (double)
22.40 GFLOPS
Board Design
500W
TDP
49W
900 W
Suggested PSU
200 W
1x DVI
4x mini-DisplayPort 1.2
Outputs
1x DVI
1x HDMI 1.3a
1x VGA
2x 8-pin
Power Connectors
None
Graphics Processor
Vesuvius
GPU Name
GF108
Vesuvius XT
(215-0852022)
GPU Variant
GF108-100-KB-A1
GCN 2.0
Architecture
Fermi
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
6.2 billion
Transistors
0.585 billion
438 mm²
Die Size
116 mm²
Graphics Features
12 (12_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.0
OpenCL
1.1
1.2
Vulkan
N/A
-
CUDA
2.1
6.3
Shader Model
5.1
