NVIDIA GeForce GTX 490 vs AMD Radeon Sky 700
We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 490 and 6GB VRAM Radeon Sky 700 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon Sky 700 's Advantages
More VRAM (6GB vs 1536GB)
Larger VRAM bandwidth (264.0GB/s vs 164.0GB/s)
1312 additional rendering cores
Lower TDP (225W vs 365W)
Score
Benchmark
FP32 (float)
GeForce GTX 490
1.166 TFLOPS
Radeon Sky 700
+176%
3.226 TFLOPS
Graphics Card
Unknown
Release Date
Mar 2013
GeForce 400
Generation
Radeon Sky
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
-
-
-
-
-
854 MHz
Memory Clock
1375 MHz
Memory
1536MB
Memory Size
6GB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
384bit
164.0GB/s
Bandwidth
264.0GB/s
Render Config
-
Compute Units
28
15
SM Count
-
480
Shading Units
1792
60
TMUs
112
48
ROPs
32
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
16 KB (per CU)
768 KB
L2 Cache
768 KB
-
-
-
Theoretical Performance
18.24 GPixel/s
Pixel Rate
28.80 GPixel/s
36.48 GTexel/s
Texture Rate
100.8 GTexel/s
-
-
-
1166 GFLOPS
FP32 (float)
3.226 TFLOPS
145.8 GFLOPS
FP64 (double)
806.4 GFLOPS
Board Design
365W
TDP
225W
750 W
Suggested PSU
550 W
3x DVI
1x mini-DisplayPort
Outputs
1x DisplayPort 1.2
2x 8-pin
Power Connectors
1x 8-pin
Graphics Processor
GF100
GPU Name
Tahiti
GF100-375-A3
GPU Variant
Tahiti PRO GL
Fermi
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
3.1 billion
Transistors
4.313 billion
529 mm²
Die Size
352 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
