GPUs

AMD Radeon R2 2CU 400MHz GCN 2 vs AMD Radeon R5 4CU 757MHz GCN 2 Full Specs

128 Shaders
400MHz
256 Shaders
757MHz
Shared Memory21.3GB/sDDR3L
Shared Memory29.9GB/sDDR3
··
102.4 GFLOPS
··
387.6 GFLOPS
Form Factor
iGPU
Form Factor
iGPU
TDP
Shared
TDP
Shared

Radeon R2 2CU 400MHz GCN 2Radeon R2 2CU 400MHz GCN 2102.4 GFLOPSFP32
x1
Radeon R5 4CU 757MHz GCN 2Radeon R5 4CU 757MHz GCN 2387.6 GFLOPSFP16
x3.78

Clock Speed
··
Clock Speed
··
Peak OPS
102.4 GFLOPSFP32
Peak OPS
387.6 GFLOPSFP16
FP32
102.4 GFLOPS
FP32
387.6 GFLOPS
FP64
6.4 GFLOPS
FP64
24.22 GFLOPS
Pixel Rate
1.6 GPixel/s
Pixel Rate
6.1 GPixel/s
Texture Rate
3.2 GTexel/s
Texture Rate
12.1 GTexel/s

Shaders
128 Shaders
Shaders
256 Shaders
TMUs
8 TMUs
TMUs
16 TMUs
ROPs
4 ROPs
ROPs
8 ROPs
CUs
2 CUs
CUs
4 CUs

Boost Clock
400MHz
Boost Clock
757MHz

L2 Cache
64KB shared
L2 Cache
128KB shared

Shared MemoryDDR3L
Shared MemoryDDR3
Memory Bus
128-bit
Memory Bus
128-bit
Memory Speed
1.3GT/s
Memory Speed
1.9GT/s
Memory Bandwidth
21.3GB/s
Memory Bandwidth
29.9GB/s

Multi-Monitor
3
Multi-Monitor
3

Encoder Model
VCE 2.0
Encoder Model
VCE 2.0

Decoder Model
UVD 4.2
Decoder Model
UVD 4.2

Form Factor
iGPU
Form Factor
iGPU

Manufacturer
Manufacturer
Chip Designer
Chip Designer
Architecture
Architecture
Family
Family
Branding
Radeon 2013 branding
Branding
Radeon 2013 branding
Codename
Kalindi
Codename
Spectre
Chip Variant
Kalindi LP
Chip Variant
Spectre SL
Market Segment
Laptop
Market Segment
Laptop
Release Date
May 1, 2015
Release Date
Sep 29, 2015

Foundry
GlobalFoundries
Foundry
GlobalFoundries
Fabrication Node
28nm
Fabrication Node
28nm
Die Size
107mm²
Die Size
245mm²
Transistor Count
930 Million
Transistor Count
2.4 Billion
Transistor Density
9 MTr/mm²
Transistor Density
10 MTr/mm²

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