Radeon HD 7450 OEM vs GeForce GTX 680 Mac Edition
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 7450 OEM and 2GB VRAM GeForce GTX 680 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 7450 OEM 's Advantages
Lower TDP (18W vs 195W)
GeForce GTX 680 Mac Edition 's Advantages
Released 1 years and 3 months late
Boost Clock1058MHz
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (192.3GB/s vs 8.528GB/s)
1376 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 7450 OEM
200
GeForce GTX 680 Mac Edition
+1525%
3250
Graphics Card
Jan 2012
Release Date
Apr 2013
Southern Islands
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
1006 MHz
-
Boost Clock
1058 MHz
533 MHz
Memory Clock
1502 MHz
Memory
512MB
Memory Size
2GB
GDDR3
Memory Type
GDDR5
64bit
Memory Bus
256bit
8.528GB/s
Bandwidth
192.3GB/s
Render Config
2
Compute Units
-
160
Shading Units
1536
8
TMUs
128
4
ROPs
32
8 KB (per CU)
L1 Cache
16 KB (per SMX)
128 KB
L2 Cache
512 KB
Theoretical Performance
2.500 GPixel/s
Pixel Rate
33.86 GPixel/s
5.000 GTexel/s
Texture Rate
135.4 GTexel/s
200.0 GFLOPS
FP32 (float)
3.250 TFLOPS
-
FP64 (double)
135.4 GFLOPS
Board Design
18W
TDP
195W
200 W
Suggested PSU
450 W
1x DVI
1x HDMI 1.3a
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
None
Power Connectors
2x 6-pin
Graphics Processor
Caicos
GPU Name
GK104
Caimour
GPU Variant
GK104-400-A2
TeraScale 2
Architecture
Kepler
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.37 billion
Transistors
3.54 billion
67 mm²
Die Size
294 mm²
Graphics Features
11.2 (11_0)
DirectX
12 (11_0)
4.4
OpenGL
4.6
1.2
OpenCL
3.0
N/A
Vulkan
1.1
-
CUDA
3.0
5.0
Shader Model
5.1