AMD Radeon HD 8870M vs NVIDIA GeForce GT 750M Mac
AMD Radeon HD 8870M
NVIDIA GeForce GT 750M Mac
|
640 Shaders
2GB GDDR5
775MHz
|
384 Shaders
1GB GDDR5
926MHz
|
|
Peak AI Performance
990 GFLOPS
FP32
|
Peak AI Performance
0.71 TOPS
INT32
|
|
FP32
990 GFLOPS
|
FP32
710 GFLOPS
|
|
Form Factor
Soldered
|
Form Factor
Soldered
|
|
TDP
45W
|
TDP
50W
|
Peak AI Performance
|
|
Radeon HD 8870M - 990 GFLOPS FP32
x1.39
GeForce GT 750M Mac - 0.71 TOPS INT32
x1
FP32
|
|
Radeon HD 8870M - 990 GFLOPS FP32
x1.39
GeForce GT 750M Mac - 710 GFLOPS FP32
x1
|
|
Radeon HD 8870M - 72GB/s
x1
GeForce GT 750M Mac - 80.3GB/s
x1.12
|
|
Radeon HD 8870M - 45W
x1
GeForce GT 750M Mac - 50W
x1.11
|
Manufacturer
AMD
|
Manufacturer
NVIDIA
|
|
Chip Designer
AMD
|
Chip Designer
NVIDIA
|
|
Architecture
GCN 1
|
Architecture
Kepler
|
|
Family
Radeon HD 8000
|
Family
GeForce 700
|
|
Codename
Cape Verde
-
Variant
Venus XT
|
Codename
NVE7
GK107
-
-
|
|
Market Segment
Laptop
|
Market Segment
Laptop
|
|
Release Date
1/8/2013
|
Release Date
4/1/2013
|
|
Foundry
TSMC
|
Foundry
TSMC
|
|
Fabrication Node
28nm
|
Fabrication Node
28nm
|
|
Die Size
123 mm²
|
Die Size
118 mm²
|
|
Transistor Count
1.5 Billion
|
Transistor Count
1.3 Billion
|
|
Transistor Density
12.20M/mm²
|
Transistor Density
10.76M/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
2 SMs
|
|
Compute Units
10 CUs
|
-
-
|
|
725MHz Base
775MHz
|
-
926MHz
|
|
Peak AI Performance
990 GFLOPS
FP32
|
Peak AI Performance
0.71 TOPS
INT32
|
|
FP32
990 GFLOPS
|
FP32
710 GFLOPS
|
|
FP64
60 GFLOPS
|
FP64
30 GFLOPS
|
|
-
-
|
INT32
0.71 TOPS
|
|
Pixel Fillrate
12.4 GPixel/s
|
Pixel Fillrate
14.816 GPixel/s
|
|
Texture Fillrate
31 GTexel/s
|
Texture Fillrate
29.632 GTexel/s
|
|
L1
-
-
16KB/CU
|
L1
48KB/SM Tex
16KB/SM
-
|
|
L2
256KB Shared
|
L2
256KB Shared
|
|
2GB
GDDR5
|
1GB
GDDR5
|
|
Bus Width
128Bit
|
Bus Width
128Bit
|
|
Clock
1125MHz
Transfer Rate
4.5GT/s
Bandwidth
72GB/s
|
Clock
1254MHz
Transfer Rate
5GT/s
Bandwidth
80.3GB/s
|
|
TDP
45W
|
TDP
50W
|
|
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
|
Model
NVENC 1
|
|
Codec
AVC (H.264)
|
Codec
AVC (H.264)
|
|
Model
UVD 4.0
|
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
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
1.2
|
|
Shader Model
6.5
-
-
GFX
6
-
-
-
-
|
Shader Model
6.5
CUDA
3.0
-
-
PureVideo HD
VP5
VDPAU
Feature Set D
|
|
Not a Card
|
Not a Card
|
|
PCIe Version
3.0
PCIe Lanes
16
|
PCIe Version
3.0
PCIe Lanes
16
|
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