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 P400
CORE STATE
GP107
VRAM
2 GB
CLOCK SPEED
1252 MHz
TDP
30 W
BUS WIDTH
64 bit
ARCHITECTURE
Pascal
PROCESS
14 nm
LAUNCH DATE
2017
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7790
Quadro P400
Core Specs
Shading Units
896
256
-71.4%
Shaders
896
256
-71.4%
TMUs
56
16
-71.4%
ROPs
16
16
0.0%
Compute Units
14
—
SM Count
—
2
Clocks
Base Clock
—
1228 MHz
Boost Clock
—
1252 MHz
GPU Clock
1000 MHz
—
Memory Clock
1500 MHz
6 Gbps effective
1002 MHz
4 Gbps effective
Memory
Memory Size
1024 MB
2 GB
VRAM (MB)
1,024
2,048
+100.0%
Memory Type
GDDR5
GDDR5
Memory Bus
128 bit
64 bit
Bandwidth
96.00 GB/s
32.06 GB/s
Cache
L1 Cache
16 KB (per CU)
48 KB (per SM)
L2 Cache
256 KB
512 KB
Performance
Pixel Rate
16.00 GPixel/s
20.03 GPixel/s
Texture Rate
56.00 GTexel/s
20.03 GTexel/s
FP32 (TFLOPS)
1.792 TFLOPS
641.0 GFLOPS
FP64 (TFLOPS)
112.0 GFLOPS (1:16)
20.03 GFLOPS (1:32)
FP16 (TFLOPS)
—
10.02 GFLOPS (1:64)
Power
TDP
85 W
30 W
TDP (W)
85
30
-64.7%
Suggested PSU
250 W
200 W
Power Connectors
1x 6-pin
None
Architecture
Architecture
GCN 2.0
Pascal
GPU Name
Bonaire
GP107
Generation
Southern Islands
(HD 7700)
Quadro Pascal
(Px000)
Process Size
28 nm
14 nm
Transistors
2,080 million
3,300 million
Die Size
160 mm²
132 mm²
Foundry
TSMC
Samsung
Density
13.0M / mm²
25.0M / mm²
API Support
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1
3.0
CUDA
—
6.1
Shader Model
6.5
6.8
Physical
Slot Width
Dual-slot
Single-slot
Length
183 mm
7.2 inches
150 mm
5.9 inches
Height
—
69 mm
2.7 inches
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
3x mini-DisplayPort 1.4a
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Launch Price
149 USD
—
Production
End-of-life
End-of-life
Predecessor
Northern Islands
Quadro Maxwell
Successor
Sea Islands
Quadro Volta