AMD Radeon HD 8850M vs AMD Radeon HD 7850M
AMD Radeon HD 8850M
AMD Radeon HD 7850M
|
640 Shaders
2GB GDDR5
775MHz
|
640 Shaders
2GB GDDR5
675MHz
|
|
Peak AI Performance
990 GFLOPS
FP32
|
Peak AI Performance
860 GFLOPS
FP32
|
|
FP32
990 GFLOPS
|
FP32
860 GFLOPS
|
|
Form Factor
Soldered
|
Form Factor
Soldered
|
|
TDP
45W
|
TDP
40W
|
Peak AI Performance
|
|
Radeon HD 8850M - 990 GFLOPS FP32
x1.15
Radeon HD 7850M - 860 GFLOPS FP32
x1
FP32
|
|
Radeon HD 8850M - 990 GFLOPS FP32
x1.15
Radeon HD 7850M - 860 GFLOPS FP32
x1
|
|
Radeon HD 8850M - 72GB/s
x1.13
Radeon HD 7850M - 64GB/s
x1
|
|
Radeon HD 8850M - 45W
x1.13
Radeon HD 7850M - 40W
x1
|
Manufacturer
AMD
|
Manufacturer
AMD
|
|
Chip Designer
AMD
|
Chip Designer
AMD
|
|
Architecture
GCN 1
|
Architecture
GCN 1
|
|
Family
Radeon HD 8000
|
Family
Radeon HD 7000
|
|
Codename
Cape Verde
Variant
Venus Pro
|
Codename
Cape Verde
Variant
Heathrow Pro
|
|
Market Segment
Laptop
|
Market Segment
Laptop
|
|
Release Date
1/8/2013
|
Release Date
4/24/2012
|
|
Foundry
TSMC
|
Foundry
TSMC
|
|
Fabrication Node
28nm
|
Fabrication Node
28nm
|
|
Die Size
123 mm²
|
Die Size
123 mm²
|
|
Transistor Count
1.5 Billion
|
Transistor Count
1.5 Billion
|
|
Transistor Density
12.20M/mm²
|
Transistor Density
12.20M/mm²
|
|
Form
Soldered
|
Form
Soldered
|
|
Shading Units
640 Shaders
|
Shading Units
640 Shaders
|
|
Texture Mapping Units
40 TMUs
|
Texture Mapping Units
40 TMUs
|
|
Render Output Units
16 ROPs
|
Render Output Units
16 ROPs
|
|
Compute Units
10 CUs
|
Compute Units
10 CUs
|
|
625MHz Base
775MHz
|
-
675MHz
|
|
Peak AI Performance
990 GFLOPS
FP32
|
Peak AI Performance
860 GFLOPS
FP32
|
|
FP32
990 GFLOPS
|
FP32
860 GFLOPS
|
|
FP64
60 GFLOPS
|
FP64
50 GFLOPS
|
|
Pixel Fillrate
12.4 GPixel/s
|
Pixel Fillrate
10.8 GPixel/s
|
|
Texture Fillrate
31 GTexel/s
|
Texture Fillrate
27 GTexel/s
|
|
L1
16KB/CU
|
L1
16KB/CU
|
|
L2
256KB Shared
|
L2
256KB Shared
|
|
2GB
GDDR5
|
2GB
GDDR5
|
|
Bus Width
128Bit
|
Bus Width
128Bit
|
|
Clock
1125MHz
Transfer Rate
4.5GT/s
Bandwidth
72GB/s
|
Clock
1000MHz
Transfer Rate
4GT/s
Bandwidth
64GB/s
|
|
TDP
45W
|
TDP
40W
|
|
Max Resolution
4096x2160
|
Max Resolution
4096x2160
|
|
Max Resolution Refresh Rate
60Hz
|
Max Resolution Refresh Rate
60Hz
|
|
Variable Refresh Rate
|
Variable Refresh Rate
|
|
Display Stream Compression (DSC)
Not Supported
|
Display Stream Compression (DSC)
Not Supported
|
|
Multi Monitor Support
3
|
Multi Monitor Support
3
|
|
Model
VCE 1.0
|
Model
VCE 1.0
|
|
Codec
AVC (H.264)
|
Codec
AVC (H.264)
|
|
Model
UVD 4.0
|
Model
UVD 4.0
|
|
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_1
|
|
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
|
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
|
|
Shader Model
6.5
GFX
6
|
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
16
|
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