GeForce GTX 770 vs Radeon HD 4450
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 770 and 512MB VRAM Radeon HD 4450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 770 's Advantages
Released 1 years and 6 months late
Boost Clock1085MHz
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (224.4GB/s vs 6.400GB/s)
1456 additional rendering cores
Radeon HD 4450 's Advantages
Lower TDP (25W vs 230W)
Score
Benchmark
FP32 (float)
GeForce GTX 770
+3371%
3333
Radeon HD 4450
96
Graphics Card
May 2013
Release Date
Nov 2011
GeForce 700
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1046 MHz
Base Clock
-
1085 MHz
Boost Clock
-
1753 MHz
Memory Clock
400 MHz
Memory
2GB
Memory Size
512MB
GDDR5
Memory Type
DDR2
256bit
Memory Bus
64bit
224.4GB/s
Bandwidth
6.400GB/s
Render Config
-
Compute Units
1
1536
Shading Units
80
128
TMUs
8
32
ROPs
4
16 KB (per SMX)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
64 KB
Theoretical Performance
34.72 GPixel/s
Pixel Rate
2.400 GPixel/s
138.9 GTexel/s
Texture Rate
4.800 GTexel/s
3.333 TFLOPS
FP32 (float)
96.00 GFLOPS
138.9 GFLOPS
FP64 (double)
-
Board Design
230W
TDP
25W
550 W
Suggested PSU
200 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
1x DVI
1x HDMI 1.3a
1x DisplayPort 1.0
1x 6-pin + 1x 8-pin
Power Connectors
None
Graphics Processor
GK104
GPU Name
RV710
GK104-425-A2
GPU Variant
RV710
(215-0725016)
Kepler
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
3.54 billion
Transistors
0.242 billion
294 mm²
Die Size
73 mm²
Graphics Features
12 (11_0)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
3.0
OpenCL
1.1
1.1
Vulkan
N/A
3.0
CUDA
-
5.1
Shader Model
4.1