Home GPU Comparison ATI Radeon HD 4870 X2 vs NVIDIA GeForce RTX 4090 D

ATI Radeon HD 4870 X2 vs NVIDIA GeForce RTX 4090 D

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 4870 X2 and 24GB VRAM GeForce RTX 4090 D to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4870 X2 's Advantages
Lower TDP (286W vs 425W)
NVIDIA GeForce RTX 4090 D 's Advantages
Released 15 years and 4 months late
Boost Clock2520MHz
More VRAM (24GB vs 1024GB)
Larger VRAM bandwidth (1008GB/s vs 115.2GB/s)
13792 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 4870 X2
1.2 TFLOPS
GeForce RTX 4090 D +6028%
73.54 TFLOPS
VS

Graphics Card

Aug 2008
Release Date
Dec 2023
Radeon R700
Generation
GeForce 40
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 4.0 x16

Clock Speeds

-
Base Clock
2280 MHz
-
Boost Clock
2520 MHz
900 MHz
Memory Clock
1313 MHz

Memory

1024MB
Memory Size
24GB
GDDR5
Memory Type
GDDR6X
256bit
Memory Bus
384bit
115.2GB/s
Bandwidth
1008GB/s

Render Config

10
Compute Units
-
-
SM Count
114
800
Shading Units
14592
40
TMUs
456
16
ROPs
176
-
Tensor Cores
456
-
RT Cores
114
16 KB (per CU)
L1 Cache
128 KB (per SM)
256 KB
L2 Cache
72 MB
-
-
-

Theoretical Performance

12.00 GPixel/s
Pixel Rate
443.5 GPixel/s
30.00 GTexel/s
Texture Rate
1149 GTexel/s
-
FP16 (half)
73.54 TFLOPS
1200 GFLOPS
FP32 (float)
73.54 TFLOPS
240.0 GFLOPS
FP64 (double)
1149 GFLOPS

Board Design

286W
TDP
425W
600 W
Suggested PSU
800 W
2x DVI 1x S-Video
Outputs
1x HDMI 2.1 3x DisplayPort 1.4a
1x 6-pin + 1x 8-pin
Power Connectors
1x 16-pin

Graphics Processor

R700
GPU Name
AD102
R700 XT (215-0669045)
GPU Variant
AD102-250-A1
TeraScale
Architecture
Ada Lovelace
TSMC
Foundry
TSMC
55 nm
Process Size
5 nm
0.956 billion
Transistors
76.3 billion
256 mm²
Die Size
609 mm²

Graphics Features

10.1 (10_1)
DirectX
12 Ultimate (12_2)
3.3
OpenGL
4.6
1.1
OpenCL
3.0
N/A
Vulkan
1.3
-
CUDA
8.9
4.1
Shader Model
6.7

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