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
GPU
Iris Pro Graphics P580
CORE STATE
Skylake GT4e
VRAM
System Shared
CLOCK SPEED
1000 MHz
TDP
15 W
BUS WIDTH
System Shared
ARCHITECTURE
Generation 9.0
PROCESS
14 nm+
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
R7 250
Iris Pro Graphics P580
Core Specs
Shading Units
512
576
+12.5%
Shaders
512
576
+12.5%
TMUs
32
72
+125.0%
ROPs
16
9
-43.8%
Compute Units
8
—
Execution Units
—
72
Clocks
Base Clock
—
350 MHz
Boost Clock
—
1000 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)
—
L2 Cache
256 KB
—
Performance
Pixel Rate
14.80 GPixel/s
9.000 GPixel/s
Texture Rate
29.60 GTexel/s
72.00 GTexel/s
FP32 (TFLOPS)
947.2 GFLOPS
1,152.0 GFLOPS
FP64 (TFLOPS)
59.20 GFLOPS (1:16)
288.0 GFLOPS (1:4)
FP16 (TFLOPS)
—
2.304 TFLOPS (2:1)
Power
TDP
55 W
15 W
TDP (W)
55
15
-72.7%
Suggested PSU
250 W
—
Power Connectors
None
—
Architecture
Architecture
GCN 1.0
Generation 9.0
GPU Name
Cape Verde
Skylake GT4e
Generation
Volcanic Islands
(R7 200)
HD Graphics-W
(Skylake)
Process Size
28 nm
14 nm+
Transistors
1,500 million
—
Die Size
123 mm²
—
Foundry
TSMC
Intel
Density
12.2M / mm²
—
API Support
DirectX
12 (11_1)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.3
OpenCL
2.1 (1.2)
3.0
Shader Model
6.5 (5.1)
6.4
Physical
Slot Width
Single-slot
IGP
Length
168 mm
6.6 inches
—
Outputs
1x DVI1x HDMI 1.4a1x DisplayPort 1.2
Motherboard Dependent
Bus Interface
PCIe 3.0 x16
Ring Bus
Other
Production
End-of-life
End-of-life
Predecessor
Sea Islands
—
Successor
Pirate Islands
—