GPU Comparison
RADEON
AMD Radeon R7 250
CORE STATE
Cape Verde
VRAM
1024 MB
CLOCK SPEED
—
TDP
55 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2013
VS
RADEON
Radeon R8 M445DX
CORE STATE
Meso
VRAM
System Shared
CLOCK SPEED
1021 MHz
TDP
—
BUS WIDTH
System Shared
ARCHITECTURE
GCN 3.0
PROCESS
28 nm
LAUNCH DATE
2016
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
R7 250
R8 M445DX
Core Specs
Shading Units
512
320
-37.5%
Shaders
512
320
-37.5%
TMUs
32
20
-37.5%
ROPs
16
8
-50.0%
Compute Units
8
5
-37.5%
Clocks
Base Clock
—
780 MHz
Boost Clock
—
1021 MHz
GPU Clock
925 MHz
—
Memory Clock
900 MHz
1800 Mbps effective
System Shared
Memory
Memory Size
1024 MB
System Shared
VRAM (MB)
1,024
—
Memory Type
DDR3
System Shared
Memory Bus
128 bit
System Shared
Bandwidth
28.80 GB/s
System Dependent
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
256 KB
128 KB
Performance
Pixel Rate
14.80 GPixel/s
8.168 GPixel/s
Texture Rate
29.60 GTexel/s
20.42 GTexel/s
FP32 (TFLOPS)
947.2 GFLOPS
653.4 GFLOPS
FP64 (TFLOPS)
59.20 GFLOPS (1:16)
40.84 GFLOPS (1:16)
FP16 (TFLOPS)
—
653.4 GFLOPS (1:1)
Power
TDP
55 W
—
TDP (W)
55
—
Suggested PSU
250 W
—
Power Connectors
None
—
Architecture
Architecture
GCN 1.0
GCN 3.0
GPU Name
Cape Verde
Meso
Generation
Volcanic Islands
(R7 200)
Gem System Hybrid
(Rx M400)
Process Size
28 nm
28 nm
Transistors
1,500 million
1,550 million
Die Size
123 mm²
125 mm²
Foundry
TSMC
TSMC
Density
12.2M / mm²
12.4M / mm²
API Support
DirectX
12 (11_1)
12 (12_0)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.2.170
OpenCL
2.1 (1.2)
2.1
Shader Model
6.5 (5.1)
6.5
Physical
Slot Width
Single-slot
IGP
Length
168 mm
6.6 inches
—
Outputs
1x DVI1x HDMI 1.4a1x DisplayPort 1.2
Portable Device Dependent
Bus Interface
PCIe 3.0 x16
IGP
Other
Production
End-of-life
End-of-life
Predecessor
Sea Islands
—
Successor
Pirate Islands
—