GPU Comparison
RADEON
AMD Radeon HD 7790
CORE STATE
Bonaire
VRAM
1024 MB
CLOCK SPEED
—
TDP
85 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 2.0
PROCESS
28 nm
LAUNCH DATE
2013
VS
GEFORCE
Tesla K20Xm
CORE STATE
GK110
VRAM
6 GB
CLOCK SPEED
—
TDP
235 W
BUS WIDTH
384 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2012
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7790
Tesla K20Xm
Core Specs
Shading Units
896
2,688
+200.0%
Shaders
896
2,688
+200.0%
TMUs
56
224
+300.0%
ROPs
16
48
+200.0%
Compute Units
14
—
Clocks
GPU Clock
1000 MHz
732 MHz
Memory Clock
1500 MHz
6 Gbps effective
1300 MHz
5.2 Gbps effective
Memory
Memory Size
1024 MB
6 GB
VRAM (MB)
1,024
6,144
+500.0%
Memory Type
GDDR5
GDDR5
Memory Bus
128 bit
384 bit
Bandwidth
96.00 GB/s
249.6 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
256 KB
1536 KB
Performance
Pixel Rate
16.00 GPixel/s
40.99 GPixel/s
Texture Rate
56.00 GTexel/s
164.0 GTexel/s
FP32 (TFLOPS)
1.792 TFLOPS
3.935 TFLOPS
FP64 (TFLOPS)
112.0 GFLOPS (1:16)
1,311.7 GFLOPS (1:3)
Power
TDP
85 W
235 W
TDP (W)
85
235
+176.5%
Suggested PSU
250 W
550 W
Power Connectors
1x 6-pin
—
Architecture
Architecture
GCN 2.0
Kepler
GPU Name
Bonaire
GK110
Generation
Southern Islands
(HD 7700)
Tesla Kepler
(Kxx)
Process Size
28 nm
28 nm
Transistors
2,080 million
7,080 million
Die Size
160 mm²
561 mm²
Foundry
TSMC
TSMC
Density
13.0M / 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
Dual-slot
Dual-slot
Length
183 mm
7.2 inches
267 mm
10.5 inches
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
No outputs
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Launch Price
149 USD
7,699 USD
Production
End-of-life
End-of-life
Predecessor
Northern Islands
Tesla Fermi
Successor
Sea Islands
Tesla Maxwell