NVIDIA GeForce GT 645M vs AMD Radeon R5 M320

NVIDIA GeForce GT 645M
AMD Radeon R5 M320
384 Shaders
1GB GDDR5
710MHz
320 Shaders
2GB DDR3
855MHz
Peak AI Performance
0.55 TOPS
INT32
Peak AI Performance
550 GFLOPS
FP32
FP32
550 GFLOPS
FP32
550 GFLOPS
Form Factor
Soldered
Form Factor
Soldered
TDP
32W
TDP
15W

Peak AI Performance

  • Same Performance vs Radeon R5 M320
  • Same Performance vs GeForce GT 645M
GeForce GT 645M - 0.55 TOPS INT32
x1
Radeon R5 M320 - 550 GFLOPS FP32
x1

FP32

  • Same Performance vs Radeon R5 M320
  • Same Performance vs GeForce GT 645M
GeForce GT 645M - 550 GFLOPS FP32
x1
Radeon R5 M320 - 550 GFLOPS FP32
x1
  • 4x faster vs Radeon R5 M320
  • 75% slower vs GeForce GT 645M
GeForce GT 645M - 64GB/s
x4
Radeon R5 M320 - 16GB/s
x1
  • 113% higher vs Radeon R5 M320
  • 53% lower vs GeForce GT 645M
GeForce GT 645M - 32W
x2.13
Radeon R5 M320 - 15W
x1
GB6 OpenCL N/A
0%
GB6 Vulkan N/A
0%
Manufacturer
NVIDIA
Manufacturer
AMD
Chip Designer
NVIDIA
Chip Designer
AMD
Architecture
Kepler
Architecture
GCN 1
Family
GeForce 600
Family
Radeon R 300
Codename
NVE7
GK107
Variant
N13P-GS
Codename
Hainan
-
Variant
Jet Pro
Market Segment
Laptop
Market Segment
Laptop
Release Date
10/1/2012
Release Date
1/7/2014
Foundry
TSMC
Foundry
TSMC
Fabrication Node
28nm
Fabrication Node
28nm
Die Size
118 mm²
Die Size
56 mm²
Transistor Count
1.3 Billion
Transistor Count
690 Million
Transistor Density
10.76M/mm²
Transistor Density
12.32M/mm²
Form
Soldered
Form
Soldered
Shading Units
384 Shaders
Shading Units
320 Shaders
Texture Mapping Units
32 TMUs
Texture Mapping Units
20 TMUs
Render Output Units
16 ROPs
Render Output Units
8 ROPs
Streaming Multiprocessors
2 SMs
-
-
-
-
Compute Units
5 CUs
-
710MHz
780MHz Base
855MHz
Peak AI Performance
0.55 TOPS
INT32
Peak AI Performance
550 GFLOPS
FP32
FP32
550 GFLOPS
FP32
550 GFLOPS
FP64
20 GFLOPS
FP64
30 GFLOPS
INT32
0.55 TOPS
-
-
Pixel Fillrate
11.36 GPixel/s
Pixel Fillrate
6.84 GPixel/s
Texture Fillrate
22.72 GTexel/s
Texture Fillrate
17.1 GTexel/s
L1
48KB/SM Tex
16KB/SM
-
L1
-
-
16KB/CU
L2
256KB Shared
L2
128KB Shared
1GB
GDDR5
2GB
DDR3
Bus Width
128Bit
Bus Width
64Bit
Clock
1000MHz
Transfer Rate
4GT/s
Bandwidth
64GB/s
Clock
1000MHz
Transfer Rate
2GT/s
Bandwidth
16GB/s
TDP
32W
TDP
15W
Max Resolution
4096x2304
Max Resolution
4096x2160
Max Resolution Refresh Rate
60Hz
Max Resolution Refresh Rate
60Hz
Variable Refresh Rate
G-Sync
FreeSync
Variable Refresh Rate
-
-
Display Stream Compression (DSC)
Not Supported
Display Stream Compression (DSC)
Not Supported
Multi Monitor Support
3
Multi Monitor Support
3
-
-
Content Protection
HDCP 1.4
Model
NVENC 1
No Encoders
-
Codec
AVC (H.264)
-
-
Model
NVDEC 1
No Decoders
Codec
MPEG-1
MPEG-2
MPEG-4
VC-1
AVC (H.264)
-
-
-
-
-
Direct X
12
Direct 3D
11_0
Direct X
12
Direct 3D
11_1
OpenGL
4.6
OpenCL
3.0
Vulkan
1.2
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
Shader Model
6.5
CUDA
3.0
-
-
PureVideo HD
VP5
VDPAU
Feature Set D
Shader Model
6.5
-
-
GFX
6
-
-
-
-
Not a Card
Not a Card
PCIe Version
3.0
PCIe Lanes
16
PCIe Version
3.0
PCIe Lanes
8
Change Comparison