NVIDIA GeForce GTX 490 vs AMD Radeon R9 295X2
We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 490 and 4GB VRAM Radeon R9 295X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 490 's Advantages
Lower TDP (365W vs 500W)
AMD Radeon R9 295X2 's Advantages
More VRAM (4GB vs 1536GB)
Larger VRAM bandwidth (320.0GB/s vs 164.0GB/s)
2336 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GTX 490
1.166 TFLOPS
Radeon R9 295X2
+391%
5.733 TFLOPS
Graphics Card
Unknown
Release Date
Apr 2014
GeForce 400
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
-
-
-
-
-
854 MHz
Memory Clock
1250 MHz
Memory
1536MB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
512bit
164.0GB/s
Bandwidth
320.0GB/s
Render Config
-
Compute Units
44
15
SM Count
-
480
Shading Units
2816
60
TMUs
176
48
ROPs
64
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
16 KB (per CU)
768 KB
L2 Cache
1024 KB
-
-
-
Theoretical Performance
18.24 GPixel/s
Pixel Rate
65.15 GPixel/s
36.48 GTexel/s
Texture Rate
179.2 GTexel/s
-
-
-
1166 GFLOPS
FP32 (float)
5.733 TFLOPS
145.8 GFLOPS
FP64 (double)
716.7 GFLOPS
Board Design
365W
TDP
500W
750 W
Suggested PSU
900 W
3x DVI
1x mini-DisplayPort
Outputs
1x DVI
4x mini-DisplayPort 1.2
2x 8-pin
Power Connectors
2x 8-pin
Graphics Processor
GF100
GPU Name
Vesuvius
GF100-375-A3
GPU Variant
Vesuvius XT
(215-0852022)
Fermi
Architecture
GCN 2.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
3.1 billion
Transistors
6.2 billion
529 mm²
Die Size
438 mm²
Graphics Features
12 (11_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
1.1
OpenCL
2.0
N/A
Vulkan
1.2
2.0
CUDA
-
5.1
Shader Model
6.3
