NVIDIA GeForce GTX 490 vs AMD Radeon R7 250XE
We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 490 and 1024MB VRAM Radeon R7 250XE to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 490 's Advantages
More VRAM (1536GB vs 1024GB)
Larger VRAM bandwidth (164.0GB/s vs 72.00GB/s)
AMD Radeon R7 250XE 's Advantages
160 additional rendering cores
Lower TDP (80W vs 365W)
Score
Benchmark
FP32 (float)
GeForce GTX 490
+5%
1.166 TFLOPS
Radeon R7 250XE
1.101 TFLOPS
Graphics Card
Unknown
Release Date
Aug 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
1125 MHz
Memory
1536MB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
128bit
164.0GB/s
Bandwidth
72.00GB/s
Render Config
-
Compute Units
10
15
SM Count
-
480
Shading Units
640
60
TMUs
40
48
ROPs
16
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
16 KB (per CU)
768 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
18.24 GPixel/s
Pixel Rate
13.76 GPixel/s
36.48 GTexel/s
Texture Rate
34.40 GTexel/s
-
-
-
1166 GFLOPS
FP32 (float)
1101 GFLOPS
145.8 GFLOPS
FP64 (double)
68.80 GFLOPS
Board Design
365W
TDP
80W
750 W
Suggested PSU
250 W
3x DVI
1x mini-DisplayPort
Outputs
1x DVI
1x HDMI 1.4a
1x VGA
2x 8-pin
Power Connectors
None
Graphics Processor
GF100
GPU Name
Cape Verde
GF100-375-A3
GPU Variant
Cape Verde XT
Fermi
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
3.1 billion
Transistors
1.5 billion
529 mm²
Die Size
123 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
1.1
OpenCL
1.2
N/A
Vulkan
1.2
2.0
CUDA
-
5.1
Shader Model
5.1
