GPU Comparison
RADEON
AMD Radeon HD 8790M
CORE STATE
Mars
VRAM
2 GB
CLOCK SPEED
900 MHz
TDP
—
BUS WIDTH
128 bit
ARCHITECTURE
GCN 1.0
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_opencl
geekbench_vulkan
geekbench_metal
DETAILED SPECIFICATIONS
SPECIFICATION
HD 8790M
Quadro K4000
Core Specs
Shading Units
384
768
+100.0%
Shaders
384
768
+100.0%
TMUs
24
64
+166.7%
ROPs
8
24
+200.0%
Compute Units
6
—
Clocks
Base Clock
850 MHz
—
Boost Clock
900 MHz
—
GPU Clock
—
810 MHz
Memory Clock
1000 MHz
4 Gbps effective
1404 MHz
5.6 Gbps effective
Memory
Memory Size
2 GB
3 GB
VRAM (MB)
2,048
3,072
+50.0%
Memory Type
GDDR5
GDDR5
Memory Bus
128 bit
192 bit
Bandwidth
64.00 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
7.200 GPixel/s
12.96 GPixel/s
Texture Rate
21.60 GTexel/s
51.84 GTexel/s
FP32 (TFLOPS)
691.2 GFLOPS
1,244.2 GFLOPS
FP64 (TFLOPS)
43.20 GFLOPS (1:16)
51.84 GFLOPS (1:24)
Power
TDP
—
80 W
TDP (W)
—
80
Suggested PSU
—
250 W
Power Connectors
None
1x 6-pin
Architecture
Architecture
GCN 1.0
Kepler
GPU Name
Mars
GK106
Generation
Solar System
(HD 8700M)
Quadro Kepler
(Kx000)
Process Size
28 nm
28 nm
Transistors
950 million
2,540 million
Die Size
77 mm²
221 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
11.5M / mm²
API Support
DirectX
12 (11_1)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.2.175
OpenCL
2.1 (1.2)
3.0
CUDA
—
3.0
Shader Model
6.5 (5.1)
6.5 (5.1)
Physical
Slot Width
MXM Module
Single-slot
Length
—
241 mm
9.5 inches
Height
—
111 mm
4.4 inches
Outputs
Portable Device Dependent
1x DVI2x DisplayPort 1.2
Bus Interface
MXM-A (3.0)
PCIe 2.0 x16
Other
Launch Price
—
1,269 USD
Production
End-of-life
End-of-life
Predecessor
London
Quadro Fermi
Successor
Gem System
Quadro Maxwell