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GPU Comparison
NVIDIA GeForce 945A vs AMD Radeon HD 6770M
NVIDIA GeForce 945A vs AMD Radeon HD 6770M
VS
NVIDIA GeForce 945A
AMD Radeon HD 6770M
We compared two Mobile platform GPUs: 1024MB VRAM GeForce 945A and 1024MB VRAM Radeon HD 6770M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce 945A 's Advantages
Released 4 years and 2 months late
Boost Clock1189MHz
Lower TDP (33W vs 35W)
AMD Radeon HD 6770M 's Advantages
Larger VRAM bandwidth (57.60GB/s vs 40.10GB/s)
96 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce 945A
+31%
0.913 TFLOPS
Radeon HD 6770M
0.696 TFLOPS
GeForce 945A
VS
Radeon HD 6770M
Graphics Card
Mar 2015
Release Date
Jan 2011
GeForce 900A
Generation
Vancouver
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
MXM-A (3.0)
Clock Speeds
1006 MHz
Base Clock
-
1189 MHz
Boost Clock
-
1253 MHz
Memory Clock
900 MHz
Memory
1024MB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
64bit
Memory Bus
128bit
40.10GB/s
Bandwidth
57.60GB/s
Render Config
-
Compute Units
6
-
-
-
384
Shading Units
480
24
TMUs
24
8
ROPs
8
-
-
-
-
-
-
64 KB (per SMM)
L1 Cache
8 KB (per CU)
1024 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
9.512 GPixel/s
Pixel Rate
5.800 GPixel/s
28.54 GTexel/s
Texture Rate
17.40 GTexel/s
-
-
-
913.2 GFLOPS
FP32 (float)
696.0 GFLOPS
28.54 GFLOPS
FP64 (double)
-
Board Design
33W
TDP
35W
-
-
-
No outputs
Outputs
No outputs
-
-
-
Graphics Processor
GM108
GPU Name
Whistler
-
GPU Variant
Whistler XT (216-0810001)
Maxwell
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
Unknown
Transistors
0.716 billion
Unknown
Die Size
104 mm²
Graphics Features
12 (11_0)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
3.0
OpenCL
1.2
1.3
Vulkan
N/A
5.0
CUDA
-
5.1
Shader Model
5.0
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