AMD Radeon R9 M265X vs NVIDIA GeForce 845M
AMD Radeon R9 M265X
NVIDIA GeForce 845M
|
640 Shaders
4GB GDDR5
625MHz
|
384 Shaders
2GB GDDR5
1150MHz
|
|
Peak AI Performance
800 GFLOPS
FP32
|
Peak AI Performance
3.53 TOPS
INT8
|
|
FP32
800 GFLOPS
|
FP32
880 GFLOPS
|
|
Form Factor
Soldered
|
Form Factor
Soldered
|
|
TDP
30W
|
TDP
33W
|
Peak AI Performance
|
|
Radeon R9 M265X - 800 GFLOPS FP32
x1
GeForce 845M - 3.53 TOPS INT8
x4.41
FP32
|
|
Radeon R9 M265X - 800 GFLOPS FP32
x1
GeForce 845M - 880 GFLOPS FP32
x1.1
|
|
Radeon R9 M265X - 72GB/s
x1.8
GeForce 845M - 40GB/s
x1
|
|
Radeon R9 M265X - 30W
x1
GeForce 845M - 33W
x1.1
|
|
Radeon R9 M265X - GB6 OpenCL 8,855
x1.2
GeForce 845M - GB6 OpenCL 7,370
x1
|
Manufacturer
AMD
|
Manufacturer
NVIDIA
|
|
Chip Designer
AMD
|
Chip Designer
NVIDIA
|
|
Architecture
GCN 1
|
Architecture
Maxwell
|
|
Family
Radeon R 200
|
Family
GeForce 800
|
|
Codename
Cape Verde
-
Variant
Venus Pro
|
Codename
NV118
GM108
-
-
|
|
Market Segment
Laptop
|
Market Segment
Laptop
|
|
Release Date
5/31/2014
|
Release Date
2/7/2015
|
|
Foundry
TSMC
|
Foundry
TSMC
|
|
Fabrication Node
28nm
|
Fabrication Node
28nm
|
|
Die Size
123 mm²
|
Die Size
89 mm²
|
|
Transistor Count
1.5 Billion
|
Transistor Count
1.1 Billion
|
|
Transistor Density
12.20M/mm²
|
Transistor Density
12.61M/mm²
|
|
Form
Soldered
|
Form
Soldered
|
|
Shading Units
640 Shaders
|
Shading Units
384 Shaders
|
|
Texture Mapping Units
40 TMUs
|
Texture Mapping Units
32 TMUs
|
|
Render Output Units
16 ROPs
|
Render Output Units
16 ROPs
|
|
-
-
|
Streaming Multiprocessors
3 SMs
|
|
Compute Units
10 CUs
|
-
-
|
|
575MHz Base
625MHz
|
1071MHz Base
1150MHz
|
|
Peak AI Performance
800 GFLOPS
FP32
|
Peak AI Performance
3.53 TOPS
INT8
|
|
FP32
800 GFLOPS
|
FP32
880 GFLOPS
|
|
FP64
50 GFLOPS
|
FP64
30 GFLOPS
|
|
-
-
|
INT8
3.53 TOPS
|
|
-
-
|
INT32
0.88 TOPS
|
|
Pixel Fillrate
10 GPixel/s
|
Pixel Fillrate
18.4 GPixel/s
|
|
Texture Fillrate
25 GTexel/s
|
Texture Fillrate
36.8 GTexel/s
|
|
L1
-
16KB/CU
|
L1
64KB/SM
-
|
|
L2
256KB Shared
|
L2
1MB Shared
|
|
4GB
GDDR5
|
2GB
GDDR5
|
|
Bus Width
128Bit
|
Bus Width
64Bit
|
|
Clock
1125MHz
Transfer Rate
4.5GT/s
Bandwidth
72GB/s
|
Clock
1250MHz
Transfer Rate
5GT/s
Bandwidth
40GB/s
|
|
TDP
30W
|
TDP
33W
|
|
Max Resolution
4096x2160
|
Max Resolution
4096x2304
|
|
Max Resolution Refresh Rate
60Hz
|
Max Resolution Refresh Rate
30Hz
|
|
Variable Refresh Rate
-
-
|
Variable Refresh Rate
G-Sync
FreeSync
|
|
Display Stream Compression (DSC)
Not Supported
|
Display Stream Compression (DSC)
Not Supported
|
|
Multi Monitor Support
3
|
Multi Monitor Support
2
|
|
Model
VCE 1.0
|
No Encoders
-
|
|
Codec
AVC (H.264)
|
-
-
|
|
Model
UVD 4.0
|
No Decoders
|
|
Codec
MPEG-1
MPEG-2
MPEG-4
VC-1
AVC (H.264)
|
-
-
-
-
-
|
|
Direct X
12
Direct 3D
11_1
|
Direct X
12
Direct 3D
11_0
|
|
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
|
OpenGL
4.6
OpenCL
3.0
Vulkan
1.3
|
|
Shader Model
6.5
-
-
GFX
6
-
-
-
-
|
Shader Model
6.7
CUDA
5.0
-
-
PureVideo HD
VP6
VDPAU
Feature Set E
|
|
Not a Card
|
Not a Card
|
|
PCIe Version
3.0
PCIe Lanes
16
|
PCIe Version
3.0
PCIe Lanes
16
|
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