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
GEFORCE
Tesla C2070
CORE STATE
GF100
VRAM
6 GB
CLOCK SPEED
—
TDP
238 W
BUS WIDTH
384 bit
ARCHITECTURE
Fermi
PROCESS
40 nm
LAUNCH DATE
2011
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
R7 250
Tesla C2070
Core Specs
Shading Units
512
448
-12.5%
Shaders
512
448
-12.5%
TMUs
32
56
+75.0%
ROPs
16
48
+200.0%
Compute Units
8
—
SM Count
—
14
Clocks
GPU Clock
925 MHz
574 MHz
Shader Clock
—
1147 MHz
Memory Clock
900 MHz
1800 Mbps effective
747 MHz
3 Gbps effective
Memory
Memory Size
1024 MB
6 GB
VRAM (MB)
1,024
6,144
+500.0%
Memory Type
DDR3
GDDR5
Memory Bus
128 bit
384 bit
Bandwidth
28.80 GB/s
143.4 GB/s
Cache
L1 Cache
16 KB (per CU)
64 KB (per SM)
L2 Cache
256 KB
768 KB
Performance
Pixel Rate
14.80 GPixel/s
16.07 GPixel/s
Texture Rate
29.60 GTexel/s
32.14 GTexel/s
FP32 (TFLOPS)
947.2 GFLOPS
1,027.7 GFLOPS
FP64 (TFLOPS)
59.20 GFLOPS (1:16)
513.9 GFLOPS (1:2)
Power
TDP
55 W
238 W
TDP (W)
55
238
+332.7%
Suggested PSU
250 W
550 W
Power Connectors
None
1x 6-pin + 1x 8-pin
Architecture
Architecture
GCN 1.0
Fermi
GPU Name
Cape Verde
GF100
Generation
Volcanic Islands
(R7 200)
Tesla Fermi
(x20xx)
Process Size
28 nm
40 nm
Transistors
1,500 million
3,100 million
Die Size
123 mm²
529 mm²
Foundry
TSMC
TSMC
Density
12.2M / mm²
5.9M / mm²
API Support
DirectX
12 (11_1)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.2.170
—
OpenCL
2.1 (1.2)
1.1
CUDA
—
2.0
Shader Model
6.5 (5.1)
5.1
Physical
Slot Width
Single-slot
Dual-slot
Length
168 mm
6.6 inches
248 mm
9.8 inches
Outputs
1x DVI1x HDMI 1.4a1x DisplayPort 1.2
1x DVI
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Sea Islands
Tesla
Successor
Pirate Islands
Tesla Kepler