NVIDIA GeForce GTX 490 vs ATI FirePro V7770
We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 490 and 1024MB VRAM FirePro V7770 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 33.60GB/s)
ATI FirePro V7770 's Advantages
320 additional rendering cores
Lower TDP (76W vs 365W)
Score
Benchmark
FP32 (float)
GeForce GTX 490
+16%
1.166 TFLOPS
FirePro V7770
1 TFLOPS
Graphics Card
Unknown
Release Date
Jan 2012
GeForce 400
Generation
FirePro
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
854 MHz
Memory Clock
1050 MHz
Memory
1536MB
Memory Size
1024MB
GDDR5
Memory Type
GDDR4
384bit
Memory Bus
128bit
164.0GB/s
Bandwidth
33.60GB/s
Render Config
-
Compute Units
10
15
SM Count
-
480
Shading Units
800
60
TMUs
40
48
ROPs
8
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
16 KB (per CU)
768 KB
L2 Cache
128 KB
-
-
-
Theoretical Performance
18.24 GPixel/s
Pixel Rate
5.000 GPixel/s
36.48 GTexel/s
Texture Rate
25.00 GTexel/s
-
-
-
1166 GFLOPS
FP32 (float)
1000 GFLOPS
145.8 GFLOPS
FP64 (double)
-
Board Design
365W
TDP
76W
750 W
Suggested PSU
250 W
3x DVI
1x mini-DisplayPort
Outputs
1x DVI
2x 8-pin
Power Connectors
1x 6-pin
Graphics Processor
GF100
GPU Name
RV770
GF100-375-A3
GPU Variant
RV770 XT
(215-0669049)
Fermi
Architecture
TeraScale
TSMC
Foundry
TSMC
40 nm
Process Size
55 nm
3.1 billion
Transistors
0.956 billion
529 mm²
Die Size
256 mm²
Graphics Features
12 (11_0)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
1.1
OpenCL
1.1
N/A
Vulkan
N/A
2.0
CUDA
-
5.1
Shader Model
4.1
