GPU Comparison
RADEON
AMD Radeon R7 Graphics
CORE STATE
Spectre Lite
VRAM
System Shared
CLOCK SPEED
—
TDP
25 W
BUS WIDTH
System Shared
ARCHITECTURE
GCN 2.0
PROCESS
28 nm
LAUNCH DATE
2014
VS
GEFORCE
Tesla K20m
CORE STATE
GK110
VRAM
5 GB
CLOCK SPEED
—
TDP
225 W
BUS WIDTH
320 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2013
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
R7 Graphics
Tesla K20m
Core Specs
Shading Units
384
2,496
+550.0%
Shaders
384
2,496
+550.0%
TMUs
24
208
+766.7%
ROPs
8
40
+400.0%
Compute Units
6
—
Clocks
GPU Clock
720 MHz
706 MHz
Memory Clock
System Shared
1300 MHz
5.2 Gbps effective
Memory
Memory Size
System Shared
5 GB
VRAM (MB)
—
5,120
Memory Type
System Shared
GDDR5
Memory Bus
System Shared
320 bit
Bandwidth
System Dependent
208.0 GB/s
Cache
L1 Cache
—
16 KB (per SMX)
L2 Cache
—
1280 KB
Performance
Pixel Rate
5.760 GPixel/s
36.71 GPixel/s
Texture Rate
17.28 GTexel/s
146.8 GTexel/s
FP32 (TFLOPS)
553.0 GFLOPS
3.524 TFLOPS
FP64 (TFLOPS)
34.56 GFLOPS (1:16)
1,174.8 GFLOPS (1:3)
Power
TDP
25 W
225 W
TDP (W)
25
225
+800.0%
Suggested PSU
—
550 W
Power Connectors
—
1x 6-pin + 1x 8-pin
Architecture
Architecture
GCN 2.0
Kepler
GPU Name
Spectre Lite
GK110
Generation
GCN 2.0 IGP
(Kaveri)
Tesla Kepler
(Kxx)
Process Size
28 nm
28 nm
Transistors
2,410 million
7,080 million
Die Size
245 mm²
561 mm²
Foundry
GlobalFoundries
TSMC
Density
9.8M / mm²
12.6M / mm²
API Support
DirectX
12 (12_0)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.2.175
OpenCL
2.1
3.0
CUDA
—
3.5
Shader Model
6.5
6.5 (5.1)
Physical
Slot Width
IGP
Dual-slot
Length
—
267 mm
10.5 inches
Outputs
Motherboard Dependent
No outputs
Bus Interface
IGP
PCIe 2.0 x16
Other
Launch Price
—
3,199 USD
Production
End-of-life
End-of-life
Predecessor
TeraScale 3 IGP
Tesla Fermi
Successor
GCN 3.0 IGP
Tesla Maxwell