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
Quadro K4000
CORE STATE
GK106
VRAM
3 GB
CLOCK SPEED
—
TDP
80 W
BUS WIDTH
192 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2013
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7790
Quadro K4000
Core Specs
Shading Units
896
768
-14.3%
Shaders
896
768
-14.3%
TMUs
56
64
+14.3%
ROPs
16
24
+50.0%
Compute Units
14
—
Clocks
GPU Clock
1000 MHz
810 MHz
Memory Clock
1500 MHz
6 Gbps effective
1404 MHz
5.6 Gbps effective
Memory
Memory Size
1024 MB
3 GB
VRAM (MB)
1,024
3,072
+200.0%
Memory Type
GDDR5
GDDR5
Memory Bus
128 bit
192 bit
Bandwidth
96.00 GB/s
134.8 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
256 KB
384 KB
Performance
Pixel Rate
16.00 GPixel/s
12.96 GPixel/s
Texture Rate
56.00 GTexel/s
51.84 GTexel/s
FP32 (TFLOPS)
1.792 TFLOPS
1,244.2 GFLOPS
FP64 (TFLOPS)
112.0 GFLOPS (1:16)
51.84 GFLOPS (1:24)
Power
TDP
85 W
80 W
TDP (W)
85
80
-5.9%
Suggested PSU
250 W
250 W
Power Connectors
1x 6-pin
1x 6-pin
Architecture
Architecture
GCN 2.0
Kepler
GPU Name
Bonaire
GK106
Generation
Southern Islands
(HD 7700)
Quadro Kepler
(Kx000)
Process Size
28 nm
28 nm
Transistors
2,080 million
2,540 million
Die Size
160 mm²
221 mm²
Foundry
TSMC
TSMC
Density
13.0M / mm²
11.5M / 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
—
3.0
Shader Model
6.5
6.5 (5.1)
Physical
Slot Width
Dual-slot
Single-slot
Length
183 mm
7.2 inches
241 mm
9.5 inches
Height
—
111 mm
4.4 inches
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x DVI2x DisplayPort 1.2
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Other
Launch Price
149 USD
1,269 USD
Production
End-of-life
End-of-life
Predecessor
Northern Islands
Quadro Fermi
Successor
Sea Islands
Quadro Maxwell