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 K4000M
CORE STATE
GK104
VRAM
4 GB
CLOCK SPEED
601 MHz
TDP
100 W
BUS WIDTH
256 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2012
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7790
Quadro K4000M
Core Specs
Shading Units
896
960
+7.1%
Shaders
896
960
+7.1%
TMUs
56
80
+42.9%
ROPs
16
32
+100.0%
Compute Units
14
—
Clocks
Base Clock
—
601 MHz
Boost Clock
—
601 MHz
GPU Clock
1000 MHz
—
Memory Clock
1500 MHz
6 Gbps effective
700 MHz
2.8 Gbps effective
Memory
Memory Size
1024 MB
4 GB
VRAM (MB)
1,024
4,096
+300.0%
Memory Type
GDDR5
GDDR5
Memory Bus
128 bit
256 bit
Bandwidth
96.00 GB/s
89.60 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
256 KB
512 KB
Performance
Pixel Rate
16.00 GPixel/s
12.02 GPixel/s
Texture Rate
56.00 GTexel/s
48.08 GTexel/s
FP32 (TFLOPS)
1.792 TFLOPS
1,153.9 GFLOPS
FP64 (TFLOPS)
112.0 GFLOPS (1:16)
48.08 GFLOPS (1:24)
Power
TDP
85 W
100 W
TDP (W)
85
100
+17.6%
Suggested PSU
250 W
—
Power Connectors
1x 6-pin
None
Architecture
Architecture
GCN 2.0
Kepler
GPU Name
Bonaire
GK104
Generation
Southern Islands
(HD 7700)
Quadro Kepler-M
(Kx000M)
Process Size
28 nm
28 nm
Transistors
2,080 million
3,540 million
Die Size
160 mm²
294 mm²
Foundry
TSMC
TSMC
Density
13.0M / mm²
12.0M / 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
MXM Module
Length
183 mm
7.2 inches
—
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Portable Device Dependent
Bus Interface
PCIe 3.0 x16
MXM-B (3.0)
Other
Launch Price
149 USD
—
Production
End-of-life
End-of-life
Predecessor
Northern Islands
Quadro Fermi-M
Successor
Sea Islands
Quadro Maxwell-M