AMD Radeon HD 7790 vs AMD Radeon R9 M470
GPU Specs Compare
Graphics Card
Release Date
Mar 2013
May 2016
Generation
Southern Islands
Gem System
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1500 MHz
1375 MHz
Base Clock
-
900 MHz
Boost Clock
-
1000 MHz
Memory
Memory Size
1024MB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
128bit
128bit
Bandwidth
96.00GB/s
88.00GB/s
Render Config
Compute Units
14
12
Shading Units
896
768
TMUs
56
48
ROPs
16
16
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
256 KB
256 KB
Theoretical Performance
Pixel Rate
16.00 GPixel/s
16.00 GPixel/s
Texture Rate
56.00 GTexel/s
48.00 GTexel/s
FP32 (float)
1.792 TFLOPS
1.536 TFLOPS
FP64 (double)
112.0 GFLOPS
96.00 GFLOPS
Graphics Processor
GPU Name
Bonaire
Emerald
GPU Variant
Bonaire XT(215-0839039)
Emerald PRO
Architecture
GCN 2.0
GCN 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
2.08 billion
2.08 billion
Die Size
160 mm²
160 mm²
Board Design
TDP
85W
Unknown
Suggested PSU
250 W
-
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Portable Device Dependent
Power Connectors
1x 6-pin
-
Graphics Features
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.0
2.1
Vulkan
1.2
1.2.170
Shader Model
6.3
6.5
📊 Benchmark
3DMark Time Spy
1,307
-
3DMark Time Spy Extreme
409
-