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GPU Comparison
AMD Radeon HD 6770M vs NVIDIA GeForce GT 745M
AMD Radeon HD 6770M vs NVIDIA GeForce GT 745M
VS
AMD Radeon HD 6770M
NVIDIA GeForce GT 745M
We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6770M and 2GB VRAM GeForce GT 745M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6770M 's Advantages
Larger VRAM bandwidth (57.60GB/s vs 28.80GB/s)
96 additional rendering cores
Lower TDP (35W vs 45W)
NVIDIA GeForce GT 745M 's Advantages
Released 2 years and 3 months late
More VRAM (2GB vs 1GB)
Score
Benchmark
FP32 (float)
Radeon HD 6770M
+8%
0.696 TFLOPS
GeForce GT 745M
0.643 TFLOPS
Radeon HD 6770M
VS
GeForce GT 745M
Graphics Card
Jan 2011
Release Date
Apr 2013
Vancouver
Generation
GeForce 700M
Mobile
Type
Mobile
MXM-A (3.0)
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
900 MHz
Memory Clock
900 MHz
Memory
1024MB
Memory Size
2GB
GDDR5
Memory Type
DDR3
128bit
Memory Bus
128bit
57.60GB/s
Bandwidth
28.80GB/s
Render Config
-
SM Count
-
6
Compute Units
-
480
Shading Units
384
24
TMUs
32
8
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
16 KB (per SMX)
256 KB
L2 Cache
256 KB
Theoretical Performance
5.800 GPixel/s
Pixel Rate
6.696 GPixel/s
17.40 GTexel/s
Texture Rate
26.78 GTexel/s
-
FP16 (half)
-
696.0 GFLOPS
FP32 (float)
642.8 GFLOPS
-
FP64 (double)
26.78 GFLOPS
Graphics Processor
Whistler
GPU Name
GK107
Whistler XT (216-0810001)
GPU Variant
N14P-LP
TeraScale 2
Architecture
Kepler
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.716 billion
Transistors
1.27 billion
104 mm²
Die Size
118 mm²
Board Design
35W
TDP
45W
-
Suggested PSU
-
No outputs
Outputs
No outputs
-
Power Connectors
-
Graphics Features
11.2 (11_0)
DirectX
12 (11_0)
4.4
OpenGL
4.6
1.2
OpenCL
3.0
N/A
Vulkan
1.1
-
CUDA
3.0
5.0
Shader Model
5.1
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