GPU Comparison
RADEON
AMD Radeon R7 240
CORE STATE
Oland
VRAM
2 GB
CLOCK SPEED
780 MHz
TDP
30 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2013
VS
GEFORCE
Tesla K40m
CORE STATE
GK110B
VRAM
12 GB
CLOCK SPEED
876 MHz
TDP
245 W
BUS WIDTH
384 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2013
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
R7 240
Tesla K40m
Core Specs
Shading Units
320
2,880
+800.0%
Shaders
320
2,880
+800.0%
TMUs
20
240
+1100.0%
ROPs
8
48
+500.0%
Compute Units
5
—
Clocks
Base Clock
730 MHz
745 MHz
Boost Clock
780 MHz
876 MHz
Memory Clock
900 MHz
1800 Mbps effective
1502 MHz
6 Gbps effective
Memory
Memory Size
2 GB
12 GB
VRAM (MB)
2,048
12,288
+500.0%
Memory Type
DDR3
GDDR5
Memory Bus
128 bit
384 bit
Bandwidth
28.80 GB/s
288.4 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
256 KB
1536 KB
Performance
Pixel Rate
6.240 GPixel/s
52.56 GPixel/s
Texture Rate
15.60 GTexel/s
210.2 GTexel/s
FP32 (TFLOPS)
499.2 GFLOPS
5.046 TFLOPS
FP64 (TFLOPS)
—
1.682 TFLOPS (1:3)
Power
TDP
30 W
245 W
TDP (W)
30
245
+716.7%
Suggested PSU
200 W
550 W
Power Connectors
None
—
Architecture
Architecture
GCN 1.0
Kepler
GPU Name
Oland
GK110B
Generation
Volcanic Islands
(R7 200)
Tesla Kepler
(Kxx)
Process Size
28 nm
28 nm
Transistors
950 million
7,080 million
Die Size
77 mm²
561 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
12.6M / mm²
API Support
DirectX
12 (11_1)
12 (11_1)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.2.175
OpenCL
2.1 (1.2)
3.0
CUDA
—
3.5
Shader Model
6.5 (5.1)
6.5 (5.1)
Physical
Slot Width
Single-slot
Dual-slot
Length
168 mm
6.6 inches
267 mm
10.5 inches
Height
69 mm
2.7 inches
—
Outputs
1x DVI1x HDMI 1.4a1x VGA
No outputs
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Other
Launch Price
69 USD
7,699 USD
Production
End-of-life
End-of-life
Predecessor
Sea Islands
Tesla Fermi
Successor
Pirate Islands
Tesla Maxwell