AMD Radeon HD 8770 OEM vs AMD Radeon E9550 MXM
GPU · Specs Compare
Graphics Card
Release Date
Sep 2013
Sep 2016
Generation
Sea Islands
Embedded
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
MXM-B (3.0)
Clock Speeds
Memory Clock
1500 MHz
1250 MHz
Base Clock
—
1120 MHz
Boost Clock
—
1266 MHz
Memory
Memory Size
1024MB
8GB
Memory Type
GDDR5
GDDR5
Memory Bus
128bit
256bit
Bandwidth
96.00GB/s
160.0GB/s
Render Config
Compute Units
14
36
Shading Units
896
2304
TMUs
56
144
ROPs
16
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
256 KB
2 MB
Theoretical Performance
Pixel Rate
16.80 GPixel/s
40.51 GPixel/s
Texture Rate
58.80 GTexel/s
182.3 GTexel/s
FP32 (float)
1.882 TFLOPS
5.834 TFLOPS
FP64 (double)
117.6 GFLOPS
364.6 GFLOPS
FP16 (half)
—
5.834 TFLOPS
Graphics Processor
GPU Name
Bonaire
Ellesmere
GPU Variant
Bonaire XT(215-0839039)
Ellesmere XT
Architecture
GCN 2.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
28 nm
14 nm
Transistors
2.08 billion
5.7 billion
Die Size
160 mm²
232 mm²
Board Design
TDP
85W
95W
Suggested PSU
250 W
—
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x HDMI 2.0b3x DisplayPort 1.4a
Power Connectors
1x 6-pin
None
Graphics Features
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.0
2.1
Vulkan
1.2
1.2
Shader Model
6.3
6.4
▲ Specs Compare
Data sourced from official specifications and benchmark tests.