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GPU Comparison
AMD Radeon HD 6790 vs NVIDIA GeForce GT 440 Mac Edition
AMD Radeon HD 6790 vs NVIDIA GeForce GT 440 Mac Edition
VS
AMD Radeon HD 6790
NVIDIA GeForce GT 440 Mac Edition
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6790 and 1024MB VRAM GeForce GT 440 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6790 's Advantages
Larger VRAM bandwidth (134.4GB/s vs 21.34GB/s)
704 additional rendering cores
NVIDIA GeForce GT 440 Mac Edition 's Advantages
Lower TDP (65W vs 150W)
Score
Benchmark
FP32 (float)
Radeon HD 6790
+332%
1.344 TFLOPS
GeForce GT 440 Mac Edition
0.311 TFLOPS
Radeon HD 6790
VS
GeForce GT 440 Mac Edition
Graphics Card
Apr 2011
Release Date
Feb 2011
Northern Islands
Generation
GeForce 400
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 1.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1050 MHz
Memory Clock
667 MHz
Memory
1024MB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
128bit
134.4GB/s
Bandwidth
21.34GB/s
Render Config
-
SM Count
2
10
Compute Units
-
800
Shading Units
96
40
TMUs
16
16
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
64 KB (per SM)
512 KB
L2 Cache
256 KB
Theoretical Performance
13.44 GPixel/s
Pixel Rate
3.240 GPixel/s
33.60 GTexel/s
Texture Rate
12.96 GTexel/s
-
FP16 (half)
-
1344 GFLOPS
FP32 (float)
311.0 GFLOPS
-
FP64 (double)
25.92 GFLOPS
Graphics Processor
Barts
GPU Name
GF108
Barts LE (215-0798002)
GPU Variant
GF108-400-A1
TeraScale 2
Architecture
Fermi
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
1.7 billion
Transistors
0.585 billion
255 mm²
Die Size
116 mm²
Board Design
150W
TDP
65W
450 W
Suggested PSU
250 W
2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1
Outputs
1x DVI 1x HDMI 1.3a 1x VGA
2x 6-pin
Power Connectors
None
Graphics Features
11.2 (11_0)
DirectX
12 (11_0)
4.4
OpenGL
4.6
1.2
OpenCL
1.1
N/A
Vulkan
N/A
-
CUDA
2.1
5.0
Shader Model
5.1
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