AMD Radeon HD 7550M vs NVIDIA GeForce GT 645M

AMD Radeon HD 7550M
NVIDIA GeForce GT 645M
400 Shaders
1GB GDDR5
550MHz
384 Shaders
1GB GDDR5
710MHz
Peak AI Performance
440 GFLOPS
FP32
Peak AI Performance
0.55 TOPS
INT32
FP32
440 GFLOPS
FP32
550 GFLOPS
Form Factor
Soldered
Form Factor
Soldered
TDP
13W
TDP
32W

Peak AI Performance

  • 20% slower vs GeForce GT 645M
  • 25% faster vs Radeon HD 7550M
Radeon HD 7550M - 440 GFLOPS FP32
x1
GeForce GT 645M - 0.55 TOPS INT32
x1.25

FP32

  • 20% slower vs GeForce GT 645M
  • 25% faster vs Radeon HD 7550M
Radeon HD 7550M - 440 GFLOPS FP32
x1
GeForce GT 645M - 550 GFLOPS FP32
x1.25
  • 60% slower vs GeForce GT 645M
  • 2.5x faster vs Radeon HD 7550M
Radeon HD 7550M - 25.6GB/s
x1
GeForce GT 645M - 64GB/s
x2.5
  • 59% lower vs GeForce GT 645M
  • 146% higher vs Radeon HD 7550M
Radeon HD 7550M - 13W
x1
GeForce GT 645M - 32W
x2.46
Manufacturer
AMD
Manufacturer
NVIDIA
Chip Designer
AMD
Chip Designer
NVIDIA
Architecture
TeraScale 2
Architecture
Kepler
Family
Radeon HD 7000
Family
GeForce 600
Codename
Turks
RV930
Variant
Thames Pro
Codename
NVE7
GK107
Variant
N13P-GS
Market Segment
Laptop
Market Segment
Laptop
Release Date
1/7/2012
Release Date
10/1/2012
Foundry
TSMC
Foundry
TSMC
Fabrication Node
40nm
Fabrication Node
28nm
Die Size
118 mm²
Die Size
118 mm²
Transistor Count
716 Million
Transistor Count
1.3 Billion
Transistor Density
6.07M/mm²
Transistor Density
10.76M/mm²
Form
Soldered
Form
Soldered
Shading Units
400 Shaders
Shading Units
384 Shaders
Texture Mapping Units
20 TMUs
Texture Mapping Units
32 TMUs
Render Output Units
8 ROPs
Render Output Units
16 ROPs
-
-
Streaming Multiprocessors
2 SMs
Compute Units
5 CUs
-
-
450MHz Base
550MHz
-
710MHz
Peak AI Performance
440 GFLOPS
FP32
Peak AI Performance
0.55 TOPS
INT32
FP32
440 GFLOPS
FP32
550 GFLOPS
-
-
FP64
20 GFLOPS
-
-
INT32
0.55 TOPS
Pixel Fillrate
4.4 GPixel/s
Pixel Fillrate
11.36 GPixel/s
Texture Fillrate
11 GTexel/s
Texture Fillrate
22.72 GTexel/s
L1
-
-
8KB/CU
L1
48KB/SM Tex
16KB/SM
-
L2
256KB Shared
L2
256KB Shared
1GB
GDDR5
1GB
GDDR5
Bus Width
64Bit
Bus Width
128Bit
Clock
800MHz
Transfer Rate
3.2GT/s
Bandwidth
25.6GB/s
Clock
1000MHz
Transfer Rate
4GT/s
Bandwidth
64GB/s
TDP
13W
TDP
32W
Max Resolution
2560x1600
Max Resolution
4096x2304
Max Resolution Refresh Rate
60Hz
Max Resolution Refresh Rate
60Hz
Variable Refresh Rate
-
-
Variable Refresh Rate
G-Sync
FreeSync
Display Stream Compression (DSC)
Not Supported
Display Stream Compression (DSC)
Not Supported
Multi Monitor Support
2
Multi Monitor Support
3
No Encoders
-
Model
NVENC 1
-
-
Codec
AVC (H.264)
Model
UVD 3.0
Model
NVDEC 1
Codec
MPEG-1
MPEG-2
MPEG-4
VC-1
AVC (H.264)
Codec
MPEG-1
MPEG-2
MPEG-4
VC-1
AVC (H.264)
Direct X
11
Direct 3D
11_0
Direct X
12
Direct 3D
11_0
OpenGL
4.5
OpenCL
1.2
-
-
OpenGL
4.6
OpenCL
3.0
Vulkan
1.2
Shader Model
5.0
-
-
GFX
4
-
-
-
-
Shader Model
6.5
CUDA
3.0
-
-
PureVideo HD
VP5
VDPAU
Feature Set D
Not a Card
Not a Card
PCIe Version
2.1
PCIe Lanes
16
PCIe Version
3.0
PCIe Lanes
16
Change Comparison