AMD Radeon RX 7990 XTX vs ATI Radeon HD 4450
We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7990 XTX and 512MB VRAM Radeon HD 4450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 7990 XTX 's Advantages
Boost Clock3599MHz
More VRAM (24GB vs 512GB)
Larger VRAM bandwidth (1152GB/s vs 6.400GB/s)
6064 additional rendering cores
ATI Radeon HD 4450 's Advantages
Lower TDP (25W vs 405W)
Score
Benchmark
FP32 (float)
Radeon RX 7990 XTX
+92035%
88.45 TFLOPS
Radeon HD 4450
0.096 TFLOPS
Graphics Card
Unknown
Release Date
Nov 2011
Navi III
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
2500 MHz
Base Clock
-
3599 MHz
Boost Clock
-
3000 MHz
Memory Clock
400 MHz
Memory
24GB
Memory Size
512MB
GDDR6
Memory Type
DDR2
384bit
Memory Bus
64bit
1152GB/s
Bandwidth
6.400GB/s
Render Config
96
Compute Units
1
-
-
-
6144
Shading Units
80
384
TMUs
8
192
ROPs
4
-
-
-
96
RT Cores
-
256 KB per Array
L1 Cache
16 KB (per CU)
6 MB
L2 Cache
64 KB
192 MB
L3 Cache
-
Theoretical Performance
691.0 GPixel/s
Pixel Rate
2.400 GPixel/s
1382 GTexel/s
Texture Rate
4.800 GTexel/s
176.9 TFLOPS
FP16 (half)
-
88.45 TFLOPS
FP32 (float)
96.00 GFLOPS
2.764 TFLOPS
FP64 (double)
-
Board Design
405W
TDP
25W
800 W
Suggested PSU
200 W
1x HDMI 2.1a
2x DisplayPort 2.1
1x USB Type-C
Outputs
1x DVI
1x HDMI 1.3a
1x DisplayPort 1.0
3x 8-pin
Power Connectors
None
Graphics Processor
Navi 31
GPU Name
RV710
Navi 31 XTX+
GPU Variant
RV710
(215-0725016)
RDNA 3.0
Architecture
TeraScale
TSMC
Foundry
TSMC
5 nm
Process Size
55 nm
57.7 billion
Transistors
0.242 billion
529 mm²
Die Size
73 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
2.2
OpenCL
1.1
1.3
Vulkan
N/A
-
-
-
6.7
Shader Model
4.1
