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
GeForce GT 545
CORE STATE
GF116
VRAM
1536 MB
CLOCK SPEED
—
TDP
70 W
BUS WIDTH
192 bit
ARCHITECTURE
Fermi 2.0
PROCESS
40 nm
LAUNCH DATE
2011
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7790
GT 545
Core Specs
Shading Units
896
144
-83.9%
Shaders
896
144
-83.9%
TMUs
56
24
-57.1%
ROPs
16
16
0.0%
Compute Units
14
—
SM Count
—
3
Clocks
GPU Clock
1000 MHz
720 MHz
Shader Clock
—
1440 MHz
Memory Clock
1500 MHz
6 Gbps effective
800 MHz
1600 Mbps effective
Memory
Memory Size
1024 MB
1536 MB
VRAM (MB)
1,024
1,536
+50.0%
Memory Type
GDDR5
DDR3
Memory Bus
128 bit
192 bit
Bandwidth
96.00 GB/s
38.40 GB/s
Cache
L1 Cache
16 KB (per CU)
64 KB (per SM)
L2 Cache
256 KB
384 KB
Performance
Pixel Rate
16.00 GPixel/s
4.320 GPixel/s
Texture Rate
56.00 GTexel/s
17.28 GTexel/s
FP32 (TFLOPS)
1.792 TFLOPS
414.7 GFLOPS
FP64 (TFLOPS)
112.0 GFLOPS (1:16)
34.56 GFLOPS (1:12)
Power
TDP
85 W
70 W
TDP (W)
85
70
-17.6%
Suggested PSU
250 W
250 W
Power Connectors
1x 6-pin
None
Architecture
Architecture
GCN 2.0
Fermi 2.0
GPU Name
Bonaire
GF116
Generation
Southern Islands
(HD 7700)
GeForce 500
Process Size
28 nm
40 nm
Transistors
2,080 million
1,170 million
Die Size
160 mm²
238 mm²
Foundry
TSMC
TSMC
Density
13.0M / mm²
4.9M / mm²
API Support
DirectX
12 (12_0)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.2.170
—
OpenCL
2.1
1.1
CUDA
—
2.1
Shader Model
6.5
5.1
Physical
Slot Width
Dual-slot
Single-slot
Length
183 mm
7.2 inches
145 mm
5.7 inches
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x DVI1x HDMI 1.3a1x VGA
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Other
Launch Price
149 USD
149 USD
Production
End-of-life
End-of-life
Predecessor
Northern Islands
GeForce 400
Successor
Sea Islands
GeForce 600