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
RADEON
Radeon R7 240
CORE STATE
Oland
VRAM
2 GB
CLOCK SPEED
780 MHz
TDP
30 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2013
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7790
R7 240
Core Specs
Shading Units
896
320
-64.3%
Shaders
896
320
-64.3%
TMUs
56
20
-64.3%
ROPs
16
8
-50.0%
Compute Units
14
5
-64.3%
Clocks
Base Clock
—
730 MHz
Boost Clock
—
780 MHz
GPU Clock
1000 MHz
—
Memory Clock
1500 MHz
6 Gbps effective
900 MHz
1800 Mbps effective
Memory
Memory Size
1024 MB
2 GB
VRAM (MB)
1,024
2,048
+100.0%
Memory Type
GDDR5
DDR3
Memory Bus
128 bit
128 bit
Bandwidth
96.00 GB/s
28.80 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
256 KB
256 KB
Performance
Pixel Rate
16.00 GPixel/s
6.240 GPixel/s
Texture Rate
56.00 GTexel/s
15.60 GTexel/s
FP32 (TFLOPS)
1.792 TFLOPS
499.2 GFLOPS
FP64 (TFLOPS)
112.0 GFLOPS (1:16)
—
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
GCN 1.0
GPU Name
Bonaire
Oland
Generation
Southern Islands
(HD 7700)
Volcanic Islands
(R7 200)
Process Size
28 nm
28 nm
Transistors
2,080 million
950 million
Die Size
160 mm²
77 mm²
Foundry
TSMC
TSMC
Density
13.0M / mm²
12.3M / mm²
API Support
DirectX
12 (12_0)
12 (11_1)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.2.170
OpenCL
2.1
2.1 (1.2)
Shader Model
6.5
6.5 (5.1)
Physical
Slot Width
Dual-slot
Single-slot
Length
183 mm
7.2 inches
168 mm
6.6 inches
Height
—
69 mm
2.7 inches
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x DVI1x HDMI 1.4a1x VGA
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x8
Other
Launch Price
149 USD
69 USD
Production
End-of-life
End-of-life
Predecessor
Northern Islands
Sea Islands
Successor
Sea Islands
Pirate Islands