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 R9 M290X
CORE STATE
Neptune
VRAM
4 GB
CLOCK SPEED
900 MHz
TDP
100 W
BUS WIDTH
256 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2014
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_metal
DETAILED SPECIFICATIONS
SPECIFICATION
R7 250
R9 M290X
Core Specs
Shading Units
512
1,280
+150.0%
Shaders
512
1,280
+150.0%
TMUs
32
80
+150.0%
ROPs
16
32
+100.0%
Compute Units
8
20
+150.0%
Clocks
Base Clock
—
850 MHz
Boost Clock
—
900 MHz
GPU Clock
925 MHz
—
Memory Clock
900 MHz
1800 Mbps effective
1200 MHz
4.8 Gbps effective
Memory
Memory Size
1024 MB
4 GB
VRAM (MB)
1,024
4,096
+300.0%
Memory Type
DDR3
GDDR5
Memory Bus
128 bit
256 bit
Bandwidth
28.80 GB/s
153.6 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
256 KB
512 KB
Performance
Pixel Rate
14.80 GPixel/s
28.80 GPixel/s
Texture Rate
29.60 GTexel/s
72.00 GTexel/s
FP32 (TFLOPS)
947.2 GFLOPS
2.304 TFLOPS
FP64 (TFLOPS)
59.20 GFLOPS (1:16)
144.0 GFLOPS (1:16)
Power
TDP
55 W
100 W
TDP (W)
55
100
+81.8%
Suggested PSU
250 W
—
Power Connectors
None
None
Architecture
Architecture
GCN 1.0
GCN 1.0
GPU Name
Cape Verde
Neptune
Generation
Volcanic Islands
(R7 200)
Gem System
(R9 M200)
Process Size
28 nm
28 nm
Transistors
1,500 million
2,800 million
Die Size
123 mm²
212 mm²
Foundry
TSMC
TSMC
Density
12.2M / mm²
13.2M / mm²
API Support
DirectX
12 (11_1)
12 (11_1)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.2.170
OpenCL
2.1 (1.2)
2.1 (1.2)
Shader Model
6.5 (5.1)
6.5 (5.1)
Physical
Slot Width
Single-slot
MXM Module
Length
168 mm
6.6 inches
—
Outputs
1x DVI1x HDMI 1.4a1x DisplayPort 1.2
Portable Device Dependent
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Sea Islands
Solar System
Successor
Pirate Islands
Polaris Mobile